CN103636637B - A kind of composition pesticide of foliage-spray control crop root nematodosis - Google Patents
A kind of composition pesticide of foliage-spray control crop root nematodosis Download PDFInfo
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- CN103636637B CN103636637B CN201310649193.9A CN201310649193A CN103636637B CN 103636637 B CN103636637 B CN 103636637B CN 201310649193 A CN201310649193 A CN 201310649193A CN 103636637 B CN103636637 B CN 103636637B
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Abstract
The present invention relates to the composition pesticide of a kind of foliage-spray control crop root nematodosis, active ingredient is oxamyl, plant induced resistance agent, wherein plant induced resistance agent is any one or the two mixture with the plant growth regulator of induction of resistance effect or active polysaccharide, plant growth regulator comprises compound nitrophenol salt, diethyl aminoethyl hexanoate, active polysaccharide comprises chitosan oligosaccharide, Portugal's polyene sugar, the weight portion of its active ingredient is: oxamyl 0.05-90.0 part, plant induced resistance agent 0.05-90.0 part.The present invention utilizes the synergy killing nematode and induction of resistance, control generation and the development of crop root nematodosis, crop root is conducted to by Foliage Absorption, suppress nematode in root intrusion, parasitic and breeding, remove the poisonous secretion of nematode to the injury of crop simultaneously, alleviate the symptom such as yellow, wilting, slow down the formation of root insect gall.In the present invention occurs crop field upper part, absorption insect, leaf diseases also have significant control efficiency.
Description
Technical field
The present invention relates to technical field of pesticide, particularly relate to the composition pesticide of a kind of foliage-spray control crop root nematodosis.
Background technology
Crop root nematodosis comprises root knot nematode disease (root knot nematode disease) and Cyst nematode (Cyst nematode disease).
Root knot nematode disease occurs general, parasitic scope is wide, the various crop roots such as peanut, cucumber, wax gourd, tomato, eggplant, lettuce, carrot, Chinese cabbage and leguminous vegetables can be occurred in, survive the winter in soil with ovum, mainly be distributed in soil 5-30cm place, band worm soil is main primary source of infection, is propagated with grogs by the residual body of old complaint, farm machinery livestock operation and current, wind.Meloidogyne fly maggot class, life style is saprophytic, on the fibrous root colonizing in root or side root, excretes poison while absorption nutrient, stimulates root system to produce fertile swollen lopsided warty knot in sick portion.After root knot is formed, there is yellow withered spot in the flavescence of overground part blade, poor growth, limb or blade tip, and diseased plant is short and small, solid less, wilting or withered ahead of time at noon, goes back the harm in other biological evil source of association simultaneously, have a strong impact on the yield and quality of vegetables.
Along with developing rapidly of protecting field agricultural; break the four seasons boundary of farming; good living environment is provided to crop growth; also become the hotbed of biological harmful source growth and breeding simultaneously; as root knot nematode disease is on the rise, progressively develop into the Major Diseases of greenhouse vegetable, the general underproduction more than 10%; grave illness plot underproduction 30%-40%, even has no harvest.
Cyst nematode mainly contains soybean cyst nematode and wheat Cyst nematode, wheat Cyst nematode is the current new expression maximum to production menace, acrial part classical symptom be plant downgrade, thin and weak, yellow leaf, similar fertilizer deficiency disease, underground part root system bifurcated, many and short, have a large amount of cyst, all have occur in various degree in wheat main producing region, the remote transregional harvesting of wheat is the main path propagated.In recent years, in Henan, Shandong, the wheat main producing region such as Hebei develop rapidly and spread, and general underproduction 20%-30%, the serious plot underproduction of falling ill can reach more than 70%, even has no harvest.
The method for integrated control of current implementation is for promoting disease-resistant variety, rationally rice field-upland field rotation, deep ploughing solarization soil, applying organic manure, Agro-chemicals control and bio-chemical control.Chemical control reagent toxicity is high malicious highly toxic pesticide, and using method is soil disinfection, soil-fumigating, and dosage is large, cost is high, hypertoxic chemical pesticide widely use not only serious environment pollution, and the welding ecological balance, harm humans is healthy; The biological control cycle is grown, it is slow to take effect, and other prevention and controls all can not solve the harm when stubble crop root nematodosis.
Oxamyl (oxamyl; Vydate); have another name called the last ten thousand, methomyl, grass peace prestige, careless oxime prestige; chemical name O-methylcarbamoyl-1-dimethylamino formyl-1-methyl mercapto formaldoxime; (28g/100ml, 20 DEG C) soluble in water, aqueous solution non-corrosiveness; stable in solid-state and most of solvent; the high poison of former medicine, in natural water and soil, be decomposed into harmless products, decomposition rate is relevant to ventilation, sunlight, alkaline medium, temperature etc.
Existing relevant report has: 24% the last ten thousand aqua (i.e. oxamyl) foliage-spray 500 times liquid 600kg/ hectare, 10% the last ten thousand granule spread fertilizer over the fields 10-45kg/ hectare, and control vegetables, peanut, tobacco root-knot, control efficiency is 50%-60%.Because control efficiency is poor, production is not applied.
Therefore, need to develop a kind of Be very effective, easy to use, consumption is few, the novel pesticide of foliage-spray control root nematodosis.
Summary of the invention
The object of this invention is to provide the composition pesticide of a kind of Be very effective, easy to use, foliage-spray control crop root nematodosis.
The composition pesticide of a kind of foliage-spray control crop root nematodosis provided by the invention, its active ingredient is oxamyl and plant induced resistance agent.
Concrete, the active ingredient of described composition pesticide is grouped into by the one-tenth of following weight portion: oxamyl 0.05-90.0 part and plant induced resistance agent 0.05-90.0 part.
Preferably, the active ingredient of described composition pesticide is grouped into by the one-tenth of following weight portion: oxamyl 1.0-90.0 part and plant induced resistance agent 0.2-50.0 part.
Further preferably, the active ingredient of described composition pesticide is grouped into by the one-tenth of following weight portion: oxamyl 2.0-90.0 part, plant induced resistance agent 0.4-50.0 part.
In above-mentioned composition pesticide:
Described weight portion can be the known unit of weights of pesticide field such as μ g, mg, g, kg, also can be above-mentioned known unit of weight multiple, as 10 times, 100 times, 1/10th, one of percentage.
Described plant induced resistance agent is have the plant growth regulator of induction of resistance effect or the one or both mixture of active polysaccharide;
Described plant growth regulator is a kind of in compound nitrophenol salt or diethyl aminoethyl hexanoate or both mixtures, wherein compound nitrophenol salt is compound nitrophenol sodium salt, compound nitrophenol sylvite or compound nitrophenol ammonium salt, wherein compound nitrophenol salt is that 1:2:3 forms by 5-nitroguaiacol salt, ortho-nitrophenyl phenates, p-nitrophenyl phenates according to weight ratio, and its sodium salt, sylvite, ammonium salt are similar bioactivator;
Described active polysaccharide is the mixture of any one or both in chitosan oligosaccharide, Portugal's polyene sugar.
Preferably, the active ingredient of described composition pesticide is grouped into by the one-tenth of following weight portion: oxamyl 2.0-90.0 part, plant growth regulator 0.4-40 part and active polysaccharide 0.4-40 part.
Preferably, the active ingredient of described composition pesticide is grouped into by the one-tenth of following weight portion: oxamyl 2.0-90.0 part, plant growth regulator 2-40 part and active polysaccharide 0.4-40 part.
The composition pesticide of foliage-spray control crop root nematodosis provided by the invention also includes soluble filler, and its weight portion is 1.0-99.0 part.
Described soluble filler is the various soluble filler that this area is commonly used, according to the common practise of those skilled in the art, mineral salt preferably containing plant nutrient ingredient or organic matter, as the mineral salt containing potassium, phosphorus, magnesium, calcium, manganese, copper, zinc, ammonium etc. or organic salt, urea etc. containing nitrogen, is specially calcium chloride, potassium chloride, manganese chloride, magnesium chloride, ammonium chloride, urea, ferrous sulfate, zinc sulphate, copper sulphate, ammonium sulfate, magnesium sulfate, calcium acetate or potassium dihydrogen phosphate.
Composition pesticide provided by the invention is preparation well known in the art, preferred solvable pulvis and aqua.
Present invention also offers the preparation method of above-mentioned composition pesticide, comprise the following steps: take each composition according to proportioning, then mix.
Present invention also offers the application of above-mentioned composition pesticide in the agricultural chemicals of preparation control crop root nematodosis.
Described root nematodosis is Cyst nematode or root knot nematode disease.
Described crop is wheat, soybean, tobacco, peanut, celery, tomato, watermelon, Chinese cabbage, carrot.
The composition pesticide of foliage-spray control crop root nematodosis provided by the invention has the following advantages:
1, foliage-spray provided by the invention is prevented and treated in the composition pesticide of crop root nematodosis:
Oxamyl (oxamyl; Vydate); have another name called the last ten thousand, methomyl, grass peace prestige, careless oxime prestige; chemical name O-methylcarbamoyl-1-dimethylamino formyl-1-methyl mercapto formaldoxime; (28g/100ml, 20 DEG C) soluble in water, aqueous solution non-corrosiveness; stable in solid-state and most of solvent; the high poison of former medicine, in natural water and soil, be decomposed into harmless products, decomposition rate is relevant to ventilation, sunlight, alkaline medium, temperature etc.Oxamyl a kind ofly has to base conduction, the carbamate insecticide having systemic action and action of contace poison concurrently, nematocide, insecticidal spectrum is wide, degraded is fast, residual low, use safety, can be used for the various pests such as control thrips, aphid, flea beetle, noctuid, mite class and root nematode, stem eelworm.
Compound nitrophenol salt, comprises compound nitrophenol sodium salt, compound nitrophenol sylvite or compound nitrophenol ammonium salt, is made up of 5-nitroguaiacol salt, ortho-nitrophenyl phenates, p-nitrophenyl phenates, and weight ratio is 1: 2: 3, and its sodium salt, sylvite, ammonium salt are similar bioactivator.Compound nitrophenol salt belongs to growth-promoting type plant growth regulator, is a kind of cell-activating agent, soluble in water, stable under normal temperature, low toxicity, noresidue, applied widely.Compound nitrophenol salt can promote that the protoplasm of cell flows, and increases cell viability, enhancing development, improves crop disease-resistant anti-adversity ability.
Diethyl aminoethyl hexanoate (Diethyl Aminoethyl Hexanoate), has another name called DA-6, chemical name diethylamino ethanol caproate, belong to growth-promoting type plant growth regulator, soluble in water, under normal temperature and neutral and stable under acidic conditions, low toxicity, noresidue, applied widely.Diethyl aminoethyl hexanoate can improve the activity of plant peroxidases and nitrate reductase, improves chlorophyllous content, accelerates photosynthetic speed, strengthens degeneration-resistant anti-harmful ability, promotes plant cell division and elongation, promotes root system development, nutrient balance in control agent.
Chitosan oligosaccharide (Oligosaccharins), has another name called amino-oligosaccharide, chemical name β-Isosorbide-5-Nitrae-oligomerization-gucosamine, belonging to polysaccharose bioactivator, is a kind of plant resistance to environment stress derivant, soluble in water, stable in weak acid and weak base solution, micro-poison, is easy to degraded in environment.Chitosan oligosaccharide can not only activate plant cell, short root strong sprout, Promoting plant growth, and can activated plant immune system, the activity that the raising defensive ferment relevant to disease-resistant and degeneration-resistant metabolism and Active oxygen eliminating enzyme system are united, the resistance such as the disease resistance of inducing plant, cold resistance, high temperature resistance, fighting drought, anti-saline and alkaline, anti-fertilizer damage, prevent, alleviate and repair the injury of adverse circumstance to plant cell.
Portugal's polyene sugar belongs to polysaccharose bioactivator, is a kind of novel plant resistance to environment stress derivant, and micro-poison is soluble in water.Portugal's polyene sugar can produce the protective plant protecting agent killing pathogenic microorganism by inducing plant as external source regulatory factor, reduces the generation of various crop disease; Can also as the effective Promoting plant growth of growth regulator, branch, bloom, every metabolic activity such as result, improve crop yield.
Find in research, in the composition pesticide of foliage-spray control root nematodosis of the present invention, there is plant growth regulator compound nitrophenol salt, the diethyl aminoethyl hexanoate of induction of resistance effect, and active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar, all with nematocide " oxamyl ", there is synergy; Also there is synergy between plant growth regulator compound nitrophenol salt, diethyl aminoethyl hexanoate and active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar simultaneously." oxamyl " with there is plant growth regulator compound nitrophenol salt, the diethyl aminoethyl hexanoate of induction of resistance effect, and active polysaccharide chitosan oligosaccharide, the single dose of Portugal's polyene sugar or mixture are used with, all can significantly improve the control efficiency of oxamyl.
2, correlative study shows, the essence that root nematodosis shows disease is nematode when invading host's root system, not only just absorbs nutrient, most importantly secretes poisonous secretion simultaneously, stimulate root system to produce fertile swollen lopsided warty knot or cyst at infestation position.After root knot or cyst are formed, there is yellow withered spot in the flavescence of overground part blade, poor growth, limb or blade tip, and diseased plant is short and small, solid less, wilting or withered ahead of time at noon, goes back the harm in other biological evil source of association simultaneously.
The composition pesticide of foliage-spray control crop root nematodosis provided by the invention, by have to base conduct nematocide oxamyl and plant induced resistance agent form, crop root is conducted to by Foliage Absorption, nematode is suppressed to invade at root, parasitism and breeding, induce crop basal resistance simultaneously, promote plant activity in vivo oxygen metabolism, decompose the poisonous secretion of nematode, remove the poisonous secretion of nematode to the injury of crop, slow down the formation of root insect gall, alleviate yellow, the symptoms such as wilting, the synergy of nematode and induction of resistance is killed in comprehensive utilization, control generation and the development of crop root nematodosis.
3, the composition pesticide of foliage-spray control crop root nematodosis of the present invention, the root knot nematode disease of vegetables, peanut and other crops can be widely used in, and wheat, Soybean and Other Crops Cyst nematode, in occurring crop field upper part, absorption insect, leaf diseases also have significant control efficiency simultaneously, are also applicable to the external source injuries such as herbicide damage, hormone poisoning, low temperature freezing-disaster, saline and alkaline evil, damage or crop failure caused by waterlogging.
4, compared with the prior art promoted at present, the outstanding feature of the composition pesticide of foliage-spray control crop root nematodosis of the present invention, be not only using method easy, change and fill with root or soil and spread fertilizer over the fields for foliage-spray, decrease dosage, reduce cost accounting, and control crop root nematodosis Be very effective, control efficiency 79.6%-100.0%, effect of increasing production 9.7%-74.3%.General employing foliage-spray, spraying concentration is generally 250-500ppm, sprays amount of liquid medicine 450-600kg/hm
2, amount to effective ingredient consumption 112.5-300g/hm
2.Those skilled in the art can adjust consumption as required.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
In the following examples, the particle size range of all raw materials is not limit, but in order to meet the obtained mobility of preparation, the needs of the uniformity, preferred size is the raw material components of 0.01-0.99mm.But should not form restriction of the present invention.
Compound nitrophenol salt used is compound nitrophenol sodium salt, compound nitrophenol sylvite or compound nitrophenol ammonium salt below, wherein compound nitrophenol salt is that 1:2:3 forms by 5-nitroguaiacol salt, ortho-nitrophenyl phenates, p-nitrophenyl phenates according to weight ratio, as compound sodium nitrophenolate be by 5-nitro guajacolum sodium, sodium onitrophenol, p-nitrophenyl sodium according to weight ratio be 3:6:9(amount to become 1:2:3) form.
In addition, the present invention's active ingredient used is the higher raw material of commercially available purity, and purity does not reach 100%, but can not produce other influences to composition pesticide, and therefore, the summation of filler and active ingredient is not 100% in various embodiments, hereby illustrates yet.
Embodiment 1: control root nematodosis composition pesticide " the solvable pulvis of 90% oxamyl+1% compound sodium nitrophenolate+1% diethyl aminoethyl hexanoate+1% chitosan oligosaccharide+1% Portugal polyene sugar "
1, component (percentage by weight 100%): 90.0% oxamyl; Compound sodium nitrophenolate 1.0%; Diethyl aminoethyl hexanoate 1.0%; Chitosan oligosaccharide 1.0%; Portugal's polyene sugar 1.0%; Filler calcium chloride.
2, compound method: take 95% oxamyl 94.7g, 98% compound sodium nitrophenolate 1.0g, 98% diethyl aminoethyl hexanoate 1.0g, 90% chitosan oligosaccharide 1.1g, 95% Portugal polyene sugar 1.1g, filler calcium chloride 1.1g respectively, by said components Homogeneous phase mixing.
Embodiment 2: control root nematodosis composition pesticide " the solvable pulvis of 40% oxamyl+0.2% potassium para-nitrophenate+0.2% diethyl aminoethyl hexanoate+10% chitosan oligosaccharide+10% Portugal polyene sugar "
1, component (percentage by weight 100%): 40.0% oxamyl; Potassium para-nitrophenate 0.2%; Diethyl aminoethyl hexanoate 0.2%; Chitosan oligosaccharide 10.0%; Portugal's polyene sugar 10.0%; Filler potassium chloride.
2, compound method: take 95% oxamyl 42.1g, 98% potassium para-nitrophenate 0.2g, 98% diethyl aminoethyl hexanoate 0.2g, 90% chitosan oligosaccharide 11.1g, 95% Portugal polyene sugar 10.5g, filler potassium chloride 35.9g respectively, by said components Homogeneous phase mixing.
Embodiment 3: control root nematodosis composition pesticide " the solvable pulvis of 40% oxamyl+10% compound nitrophenol ammonium+10% diethyl aminoethyl hexanoate+0.2% chitosan oligosaccharide+0.2% Portugal polyene sugar "
1, component (percentage by weight 100%): 40.0% oxamyl; Compound nitrophenol ammonium 10.0%; Diethyl aminoethyl hexanoate 10.0%; Chitosan oligosaccharide 0.2%; Portugal's polyene sugar 0.2%; Filler urea.
2, compound method: take 95% oxamyl 42.1g, 98% compound nitrophenol ammonium 10.2g, 98% diethyl aminoethyl hexanoate 10.2g, 90% chitosan oligosaccharide 0.2g, 95% Portugal polyene sugar 0.2g, filler urea 37.1g respectively, by said components Homogeneous phase mixing.
Embodiment 4: control root nematodosis composition pesticide " the solvable pulvis of 50% oxamyl+20% compound sodium nitrophenolate+0.5% chitosan oligosaccharide+0.5% Portugal polyene sugar "
1, component (percentage by weight 100%): 50.0% oxamyl; Compound sodium nitrophenolate 20.0%; Chitosan oligosaccharide 0.5%; Portugal's polyene sugar 0.5%; Filler manganese chloride.
2, compound method: take 95% oxamyl 52.6g, 98% compound sodium nitrophenolate 20.4g, 90% chitosan oligosaccharide 0.6g, 95% Portugal polyene sugar 0.5g, filler manganese chloride 25.9g respectively, by said components Homogeneous phase mixing.
Embodiment 5: control root nematodosis composition pesticide " the solvable pulvis of 50% oxamyl+10% diethyl aminoethyl hexanoate+0.2% chitosan oligosaccharide+0.2% Portugal polyene sugar "
1, component (percentage by weight 100%): 50.0% oxamyl; Diethyl aminoethyl hexanoate 10.0%; Chitosan oligosaccharide 0.2%; Portugal's polyene sugar 0.2%; Filler zinc sulphate.
2, compound method: take 95% oxamyl 52.6g, 98% diethyl aminoethyl hexanoate 10.2g, 90% chitosan oligosaccharide 0.2g, 95% Portugal polyene sugar 0.2g, filler zinc sulphate 36.8g respectively, by said components Homogeneous phase mixing.
Embodiment 6: control root nematodosis composition pesticide " the solvable pulvis of 60% oxamyl+1% compound sodium nitrophenolate+1% diethyl aminoethyl hexanoate+20% chitosan oligosaccharide "
1, component (percentage by weight 100%): 60.0% oxamyl; Compound sodium nitrophenolate 1.0%; Diethyl aminoethyl hexanoate 1.0%; Chitosan oligosaccharide 20.0%; Filler calcium acetate.
2, compound method: take 95% oxamyl 63.2g, 98% compound sodium nitrophenolate 1.0g, 98% diethyl aminoethyl hexanoate 1.0g, 90% chitosan oligosaccharide 22.2g, filler calcium acetate 12.6g respectively, by said components Homogeneous phase mixing.
Embodiment 7: control root nematodosis composition pesticide " the solvable pulvis of 60% oxamyl+1% compound sodium nitrophenolate+1% diethyl aminoethyl hexanoate+20% Portugal polyene sugar "
1, component (percentage by weight 100%): 60.0% oxamyl; Compound sodium nitrophenolate 1.0%; Diethyl aminoethyl hexanoate 1.0%; Portugal's polyene sugar 20.0%; Filler magnesium chloride.
2, compound method: take 95% oxamyl 63.2g, 98% compound sodium nitrophenolate 1.0g, 98% diethyl aminoethyl hexanoate 1.0g, 95% Portugal polyene sugar 21.1g, filler magnesium chloride 13.7g respectively, by said components Homogeneous phase mixing.
Embodiment 8: control root nematodosis composition pesticide " the solvable pulvis of 20% oxamyl+40% compound sodium nitrophenolate+10% chitosan oligosaccharide "
1, component (percentage by weight 100%): 20.0% oxamyl; Compound sodium nitrophenolate 40.0%; Chitosan oligosaccharide 10.0%; Filler ammonium chloride.
2, compound method: take 95% oxamyl 21.1g, 98% compound sodium nitrophenolate 40.8g, 90% chitosan oligosaccharide 11.1g, filler ammonium chloride 27.0g respectively, by said components Homogeneous phase mixing.
Embodiment 9: control root nematodosis composition pesticide " the solvable pulvis of 30% oxamyl+5% compound sodium nitrophenolate+20% chitosan oligosaccharide "
1, component (percentage by weight 100%): 30.0% oxamyl; Compound sodium nitrophenolate 5.0%; Chitosan oligosaccharide 20.0%; Filler calcium chloride.
2, compound method: take 95% oxamyl 31.6g, 98% compound sodium nitrophenolate 5.1g, 90% chitosan oligosaccharide 22.2g, filler calcium chloride 41.1g respectively, by said components Homogeneous phase mixing.
Embodiment 10: control root nematodosis composition pesticide " the solvable pulvis of 20% oxamyl+5% compound sodium nitrophenolate+40% Portugal polyene sugar "
1, component (percentage by weight 100%): 20.0% oxamyl; Compound sodium nitrophenolate 5.0%; Portugal's polyene sugar 40.0%; Filler potassium dihydrogen phosphate.
2, compound method: take 95% oxamyl 21.1g, 98% compound sodium nitrophenolate 5.1g, 95% Portugal polyene sugar 42.1g, filler potassium dihydrogen phosphate 31.7g respectively, by said components Homogeneous phase mixing.
Embodiment 11: control root nematodosis composition pesticide " the solvable pulvis of 30% oxamyl+20% compound sodium nitrophenolate+5% Portugal polyene sugar "
1, component (percentage by weight 100%): 30.0% oxamyl; Compound sodium nitrophenolate 20.0%; Portugal's polyene sugar 5.0%; Filler copper sulphate.
2, compound method: take 95% oxamyl 31.6g, 98% compound sodium nitrophenolate 20.4g, 95% Portugal polyene sugar 5.3g, filler copper sulphate 42.7g respectively, by said components Homogeneous phase mixing.
Embodiment 12: control root nematodosis composition pesticide " the solvable pulvis of 20% oxamyl+40% diethyl aminoethyl hexanoate+5% chitosan oligosaccharide "
1, component (percentage by weight 100%): 20.0% oxamyl; Diethyl aminoethyl hexanoate 40.0%; Chitosan oligosaccharide 5.0%; Filler ferrous sulfate.
2, compound method: take 95% oxamyl 21.1g, 98% diethyl aminoethyl hexanoate 40.8g, 90% chitosan oligosaccharide 5.6g, filler ferrous sulfate 32.5g respectively, by said components Homogeneous phase mixing.
Embodiment 13: control root nematodosis composition pesticide " the solvable pulvis of 30% oxamyl+20% diethyl aminoethyl hexanoate+5% chitosan oligosaccharide "
1, component (percentage by weight 100%): 30.0% oxamyl; Diethyl aminoethyl hexanoate 20.0%; Chitosan oligosaccharide 5.0%; Filler calcium chloride.
2, compound method: take 95% oxamyl 31.6g, 98% diethyl aminoethyl hexanoate 20.4g, 90% chitosan oligosaccharide 5.6g, filler calcium chloride 42.4g respectively, by said components Homogeneous phase mixing.
Embodiment 14: control root nematodosis composition pesticide " the solvable pulvis of 20% oxamyl+5% diethyl aminoethyl hexanoate+40% Portugal polyene sugar "
1, component (percentage by weight 100%): 20.0% oxamyl; Diethyl aminoethyl hexanoate 5.0%; Portugal's polyene sugar 40.0%; Filler ammonium sulfate.
2, compound method: take 95% oxamyl 21.1g, 98% diethyl aminoethyl hexanoate 5.1g, 95% Portugal polyene sugar 42.1g, filler ammonium sulfate 31.7g respectively, by said components Homogeneous phase mixing.
Embodiment 15: control root nematodosis composition pesticide " the solvable pulvis of 30% oxamyl+5% diethyl aminoethyl hexanoate+20% Portugal polyene sugar "
1, component (percentage by weight 100%): 30.0% oxamyl; Diethyl aminoethyl hexanoate 5.0%; Portugal's polyene sugar 20.0%; Filler calcium chloride.
2, compound method: take 95% oxamyl 31.6g, 98% diethyl aminoethyl hexanoate 5.1g, 95% Portugal polyene sugar 21.1g, filler calcium chloride 42.2g respectively, by said components Homogeneous phase mixing.
Embodiment 16: control root nematodosis composition pesticide " 2% oxamyl+1% compound sodium nitrophenolate+1% diethyl aminoethyl hexanoate+0.2% chitosan oligosaccharide+0.2% Portugal's polyene syrup agent "
1, component (100%): 2.0% oxamyl; Compound sodium nitrophenolate 1.0%; Diethyl aminoethyl hexanoate 1.0%; Chitosan oligosaccharide 0.2%; Portugal's polyene sugar 0.2%.
2, compound method: take 95% oxamyl 2.1g, 98% compound sodium nitrophenolate 1.0g, 98% diethyl aminoethyl hexanoate 1.0g, 90% chitosan oligosaccharide 0.2g, 95% Portugal polyene sugar 0.2g, put into the volumetric flask of 100ml, be dissolved in water and be settled to 100ml, obtained aqua.
Embodiment 17: control root nematodosis composition pesticide " 24% oxamyl+3% compound sodium nitrophenolate+1% chitosan oligosaccharide aqua "
1, component (100%): 24.0% oxamyl; Compound sodium nitrophenolate 3.0%; Chitosan oligosaccharide 1.0%.
2, compound method: take 95% oxamyl 25.3g, 98% compound sodium nitrophenolate 3.1g, 90% chitosan oligosaccharide 1.1g, put into the volumetric flask of 100ml, be dissolved in water and be settled to 100ml, obtained aqua.
Embodiment 18: control root nematodosis composition pesticide " the solvable pulvis of 30% oxamyl+10% compound sodium nitrophenolate+10% diethyl aminoethyl hexanoate "
1, component (percentage by weight 100%): 30.0% oxamyl; Compound sodium nitrophenolate 10.0%; Diethyl aminoethyl hexanoate 10.0%; Filler calcium chloride.
2, compound method: take 95% oxamyl 31.6g, 98% compound sodium nitrophenolate 10.2g, 98% diethyl aminoethyl hexanoate 10.2g, filler calcium chloride 48.0g respectively, by said components Homogeneous phase mixing.
Embodiment 19: control root nematodosis composition pesticide " the solvable pulvis of 30% oxamyl+10% chitosan oligosaccharide+10% Portugal polyene sugar "
1, component (percentage by weight 100%): 30.0% oxamyl; Chitosan oligosaccharide 10.0%; Portugal's polyene sugar 10.0%; Filler calcium chloride.
2, compound method: take 95% oxamyl 31.6g, 90% chitosan oligosaccharide 11.1g, 95% Portugal polyene sugar 10.5g, filler calcium chloride 46.8g respectively, by said components Homogeneous phase mixing.
Embodiment 20: control root nematodosis composition pesticide " 24% oxamyl+1.8% compound sodium nitrophenolate aqua "
1, component (100%): 24.0% oxamyl; Compound sodium nitrophenolate 1.8%.
2, compound method: take 95% oxamyl 25.3g, 98% compound sodium nitrophenolate 1.8g respectively, put into the volumetric flask of 100ml, be dissolved in water and be settled to 100ml, obtained aqua.
Embodiment 21: control root nematodosis composition pesticide " 24% oxamyl+5% diethyl aminoethyl hexanoate aqua "
1, component (100%): 24.0% oxamyl; Diethyl aminoethyl hexanoate 5.0%.
2, compound method: take 95% oxamyl 25.3g, 98% diethyl aminoethyl hexanoate 5.1g respectively, put into the volumetric flask of 100ml, be dissolved in water and be settled to 100ml, obtained aqua.
Embodiment 22: control root nematodosis composition pesticide " 24% oxamyl+2% amino-oligosaccharide aqua "
1, component (100%): 24.0% oxamyl; Chitosan oligosaccharide 2.0%.
2, compound method: take 95% oxamyl 25.3g, 90% chitosan oligosaccharide 2.2g respectively, put into the volumetric flask of 100ml, be dissolved in water and be settled to 100ml, obtained aqua.
Embodiment 23: control root nematodosis composition pesticide " the polyene syrup agent of 24% oxamyl+0.5% Portugal "
1, component (100%): 24.0% oxamyl; Portugal's polyene sugar 0.5%.
2, compound method: take 95% oxamyl 25.3g, 95% Portugal polyene sugar 0.6g respectively, put into the volumetric flask of 100ml, be dissolved in water and be settled to 100ml, obtained aqua.
Experimental example 1: the effect experimental of foliage-spray control root nematodosis
1, test process and material:
Test process and spraying concentration in table 1, set handling 1-23, ck
1in oxamyl spraying concentration be 400ppm.Wherein,
Process 1-23: the composition pesticide being respectively the foliage-spray control crop root nematodosis that embodiment of the present invention 1-23 provides;
Contrast ck
1: 24% oxamyl aqua;
Contrast ck
2: the solvable pulvis of 1% compound sodium nitrophenolate+1% diethyl aminoethyl hexanoate+1% chitosan oligosaccharide+1% Portugal polyene sugar;
Contrast ck
0: clear water contrasts.
The raw material preparing each process (embodiment) is: 95% oxamyl, 98% compound sodium nitrophenolate, 98% diethyl aminoethyl hexanoate, 90% chitosan oligosaccharide, 95% Portugal's polyene sugar, filler calcium chloride.Raw material granularity is selected to be the particle of 0.01 ~ 0.99mm.
Table 1: test process is arranged
2, test method
Test is for studying thing, kind hair powder 802 with potted tomato.During 3-4 sheet true leaf, being transplanted to diameter is in the flowerpot of 32 centimetres, the strain of every basin 4, and two basins are 1 group, repeats for 3 times.The sick layer Soil-in-Root of basin in-built morbidity booth, sieves, and every basin separates 15 nematode egg capsules from the sick diseased plant root system of tomato root-knot eelworm, is placed in the dark soil layer of 5cm.Transplant latter 5th day, each process all adjusts spraying concentration by oxamyl 400ppm, and extension rate and active ingredient concentration are in table 1.Interval sprays once in 20 days, sprays 2 times altogether, and second time sprays 25 days " Invest, Then Investigate " tomato root-knot eelworm state of an illness conditions, calculates control efficiency.The sick grade scale of tomato root-knot eelworm is as follows:
0 grade: the asymptomatic performance of root;
1 grade: it is thick less than 1.5 times of normal root that the knee of main root expands position, or the knee of side root to expand position be less than 2.0 times of normal side root;
3 grades: it is thick 1.5 ~ 2.5 times of normal root that the knee of main root expands position, or the knee of side root to expand position be 2.0 ~ 3.0 times of normal side root;
5 grades: it is thick 2.5 ~ 4.0 times of normal root that the knee of main root expands position, or has the side root morbidity of about 1/3;
7 grades: it is thick more than 4.0 times of normal root that the knee of main root expands position, or has the side root morbidity of about 1/2.
Control efficiency is calculated by following formula (1) and (2).
3, result of the test: result of the test is in table 2.
Table 2: control root nematodosis composition pesticide result of the test summary sheet
Table 2 result shows:
1) plant induced resistance agent processed in 1-17 is have the plant growth regulator of induction of resistance effect and the mixture of active polysaccharide, plant growth regulator is wherein compound nitrophenol salt, any one or two kinds of in diethyl aminoethyl hexanoate, active polysaccharide is chitosan oligosaccharide, any one or two kinds of in Portugal's polyene sugar, the effect of foliage-spray control crop root nematodosis is 97.8%-100.0%, significantly be better than processing single dose or the mixture that 18-23 plant induced resistance agent is plant growth regulator, the single dose of active polysaccharide or mixture, show plant growth regulator and the active polysaccharide with plant resistance to environment stress inducing action, in the composition pesticide of foliage-spray control crop root nematodosis, there is synergy.
2) plant induced resistance agent processed in 18-23 is the single dose of the plant growth regulator with plant resistance to environment stress inducing action or mixture, the single dose of active polysaccharide or mixture, the effect of foliage-spray control crop root nematodosis is 80.1%-81.3%, between each process, difference is not remarkable, show between plant growth regulator compound nitrophenol salt, diethyl aminoethyl hexanoate, between active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar, without synergy.
3) process the preventive effect of 1-23, be all significantly better than processing ck
1oxamyl single dose (not containing plant induced resistance agent) preventive effect 58.4%, process ck
2plant induced resistance agent mixture (mixture of plant growth regulator compound nitrophenol salt, diethyl aminoethyl hexanoate and active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar) preventive effect is only 21.7%, show in the scope that this test relates to, plant growth regulator compound nitrophenol salt, diethyl aminoethyl hexanoate, active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar, all has synergy with oxamyl.
4, conclusion (of pressure testing)
In the composition pesticide of foliage-spray control root nematodosis, there is plant growth regulator compound nitrophenol salt, the diethyl aminoethyl hexanoate of induction of resistance effect, and active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar, all with oxamyl, there is synergy; Also there is synergy between plant growth regulator compound nitrophenol salt, diethyl aminoethyl hexanoate and active polysaccharide chitosan oligosaccharide, Portugal's polyene sugar simultaneously.Therefore, oxamyl with there is plant growth regulator compound nitrophenol salt, the diethyl aminoethyl hexanoate of induction of resistance effect, and active polysaccharide chitosan oligosaccharide, the single dose of Portugal's polyene sugar or mixture are used with, all can significantly improve the control efficiency of oxamyl.
Experimental example 2
1, test material and method
Experimental field be located at Wang Zhuxiang great village, Puyang high and new technology industrial development zone, fertilizer and water condition is good, and irrigation and drainage are convenient, and soil fertility is even, sandy loam soil property.Examination vegetables are supplied to be celery, the real celery of kind Jin Nan.Experimental field planting vegetable for years, Herba Apii graveolentis root Root-knot occurs heavier and evenly.Nursery in spring, transplants final singling during height of seedling 5-6cm, spacing in the rows 15cm, line-spacing 20cm, the wide 1.5m of furrow, every furrow 7 row, density about 20,000 plants/acre.Plot area 18m
2, Shuan Qi14Hang district, the long 6m of row.In process of the test, other field management is normal.
Test medicine: 24% oxamyl+3% compound sodium nitrophenolate+1% chitosan oligosaccharide aqua (embodiment 17)
Contrast medicament: 1. 24% oxamyl aqua; 2. the solvable pulvis of 1% compound sodium nitrophenolate+1% diethyl aminoethyl hexanoate+1% chitosan oligosaccharide+1% Portugal polyene sugar.
Test process is set to: composition pesticide (24% oxamyl+3% compound sodium nitrophenolate+1% chitosan oligosaccharide aqua) 600 times of liquid (450ppm) of foliage-spray control crop root nematodosis prepared by embodiment 17,900 times of liquid (300ppm), 1200 times of liquid (225ppm), 24% oxamyl aqua, 600 times of liquid (400ppm), 4% plant induced resistance agent mixture, 1000 times of liquid (40ppm) and clear water contrast 6 process, repeat for 3 times, Gong24Ge community, random district group arranges.
Celery transplant planting starts after 5 days to spray for the first time, and community sprays amount of liquid medicine and is about 1.35kg, amounts to every mu time and sprays amount of liquid medicine 50 kilograms, and interval is once sprayed 2 times for 20 days altogether.
Results Shi Mei community is by selected 5 points of diagonal method, and often selected 5 strains, a situation arises for investigation root knot nematode disease.
Root knot nematode disease grade scale is as follows:
0 grade: without visible root nodule or pieces of an egg;
1 grade: root nodule total length accounts for 1% ~ 24% of total root length;
3 grades: root nodule total length accounts for 25% ~ 49% of total root length;
5 grades: root nodule total length accounts for 50% ~ 74% of total root length;
7 grades: root nodule total length accounts for more than 74% of total root length.
Control efficiency is calculated by above formula (1) and (2).
2, result of the test
The control efficiency of foliage-spray control root nematodosis composition pesticide is in table 3.
Table 3: control root nematodosis composition pesticide result of the test summary sheet
Table 3 result shows: the control efficiency of composition pesticide (24% oxamyl+3% compound sodium nitrophenolate+1% chitosan oligosaccharide aqua) 600 times of liquid (450ppm) of foliage-spray control crop root nematodosis prepared by embodiment 17,900 times of liquid (300ppm), 1200 times of liquid (225ppm) is respectively 90.8%, 89.2%, 86.1%, and the control efficiency of contrast medicament 24% oxamyl aqua 600 times of liquid (400ppm), contrast medicament 1% compound sodium nitrophenolate+1% diethyl aminoethyl hexanoate+1% chitosan oligosaccharide+1% Portugal polyene solvable pulvis of sugar 1000 times of liquid is respectively 56.8%, 19.5%.Analysis of variance, the control efficiency between 600 times of liquid of embodiment 17,900 times of liquid, 1200 times of liquid, without significant difference, is all significantly better than the control efficiency that medicament contrasts 24% oxamyl aqua, 600 times of liquid, 4% plant induced resistance agent, 1000 times of liquid.
Result of the test shows: the composition pesticide embodiment 17 of foliage-spray control crop root nematodosis provided by the invention, control root of the crop Root-knot Be very effective is better than contrast medicament oxamyl single dose, plant induced resistance agent mixture.
Experimental example 3
1, test material and method
Active ingredient: 30% oxamyl+2% compound sodium nitrophenolate+2% chitosan oligosaccharide
Test process: respectively with calcium chloride, potassium chloride, ammonium chloride, magnesium sulfate, potassium acetate, potassium dihydrogen phosphate, urea for filler, the above-mentioned active ingredient composition pesticide of preparation is respectively process 1 ~ 7; The aqua of the above-mentioned active ingredient composition pesticide of preparation is process 8; Clear water contrast is ck
0.
Compound method: 1. solvable pulvis: select the raw material components of granularity between 0.01 ~ 0.99mm, take 95% oxamyl 31.6g, 98% compound sodium nitrophenolate 2.0g, 90% chitosan oligosaccharide 2.2g respectively, take filler calcium chloride, potassium chloride, ammonium chloride, magnesium sulfate, potassium acetate, potassium dihydrogen phosphate, urea 64.2g more successively, respectively with active ingredient component Homogeneous phase mixing.2. aqua: take 95% oxamyl 31.6g, 98% compound sodium nitrophenolate 2.0g, 90% chitosan oligosaccharide 2.2g, put into the volumetric flask of 100ml, be dissolved in water and be settled to 100ml.
Test method is with experimental example 1.
2, result of the test: in table 4.
Table 4: different filler is on the impact of control efficiency
Table 4 result shows: respectively with calcium chloride, potassium chloride, ammonium chloride, magnesium sulfate, potassium acetate, potassium dihydrogen phosphate, urea etc. containing the soluble inorganic salt of plant nutrient or organic matter for filler, composition pesticide " 30% oxamyl+2% compound sodium nitrophenolate+2% chitosan oligosaccharide " the solvable pulvis of the foliage-spray control crop root nematodosis of preparation or aqua, 750 times of liquid (453ppm) foliage-sprays, the effect of control crop root nematodosis is 97.6%-100.0%.Through significance of difference analysis, between the solvable pulvis of different filler, aqua, difference is not remarkable.
Result shows: different filler, different dosage form in composition pesticide provided by the invention, have no significant effect control efficiency.
Experimental example 4
The composition pesticide of foliage-spray control crop root nematodosis prepared by embodiment 1, the crops such as the wheat on Henan, Yunnan, Anhui, Hubei, Hebei and other places, soybean, tobacco, peanut, celery, tomato have carried out the demonstration of large area multispots trial, process is set to composition pesticide 470ppm(2000 times liquid prepared by embodiment 1), clear water contrasts 2 process.
Experiment and demonstration the results are shown in Table 5.
Table 5: embodiment 1 prevents and treats crop root nematodosis experiment and demonstration result summary sheet
| Crop | Nematodosis kind | Control efficiency (%) | Effect of increasing production (%) |
| Wheat | Cyst nematode | 82.3～92.9 | 12.2～34.3 |
| Soybean | Cyst nematode | 87.1～94.5 | 15.5～31.6 |
| Tobacco | Root knot nematode disease | 81.2～90.0 | 9.7～34.8 |
| Peanut | Root knot nematode disease | 82.2～93.3 | 10.7～26.6 |
| Celery | Root knot nematode disease | 87.3～96.9 | 22.3～39.2 |
| Tomato | Root knot nematode disease | 86.8～93.5 | 19.0～41.1 |
| Watermelon | Root knot nematode disease | 79.6～89.3 | 11.9～74.3 |
| Chinese cabbage | Root knot nematode disease | 84.5～96.1 | 11.1～42.0 |
| Carrot | Root knot nematode disease | 87.6～95.5 | 9.9～48.3 |
Table 5 result shows: the composition pesticide Be very effective of foliage-spray control crop root nematodosis prepared by embodiment 1, control efficiency 79.6%-96.9%, effect of increasing production 9.7%-74.3%.
Result shows: the composition pesticide of foliage-spray control crop root nematodosis prepared by the present invention, is applicable to root knot nematode disease and the Cyst nematode of various crop, not only has significant control efficiency, and have significant effect of increasing production.
Although above with general explanation, embodiment and test, the present invention is described in detail, and on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (13)
1. the composition pesticide of a foliage-spray control crop root nematodosis, it is characterized in that, the active ingredient of described composition pesticide is grouped into by the one-tenth of following weight portion: oxamyl 0.05-90.0 part and plant induced resistance agent 0.05-90.0 part, described plant induced resistance agent is have the plant growth regulator of induction of resistance effect or the one or both mixture of active polysaccharide, described plant growth regulator is a kind of in compound nitrophenol salt or diethyl aminoethyl hexanoate or both mixtures, and described active polysaccharide is Portugal's polyene sugar.
2. composition pesticide according to claim 1, is characterized in that, the active ingredient of described composition pesticide is grouped into by the one-tenth of following weight portion: oxamyl 1.0-90.0 part and plant induced resistance agent 0.2-50.0 part.
3. composition pesticide according to claim 1, is characterized in that, the active ingredient of described composition pesticide is grouped into by the one-tenth of following weight portion: oxamyl 2.0-90.0 part and plant induced resistance agent 0.4-50.0 part.
4. the composition pesticide according to any one of claim 1-3, it is characterized in that, described compound nitrophenol salt is compound nitrophenol sodium salt, compound nitrophenol sylvite or compound nitrophenol ammonium salt, and wherein compound nitrophenol salt is that 1:2:3 forms by 5-nitroguaiacol salt, ortho-nitrophenyl phenates, p-nitrophenyl phenates according to weight ratio.
5. the composition pesticide according to any one of claim 1-3, is characterized in that, also includes soluble filler, and its weight portion is 1.0-99.0 part.
6. composition pesticide according to claim 5, is characterized in that, also includes soluble filler, and its weight portion is 1.0-99.0 part.
7. the application of the composition pesticide described in any one of claim 1-6 in the agricultural chemicals of preparation control crop root nematodosis.
8. the composition pesticide of a foliage-spray control crop root nematodosis, it is characterized in that, the active ingredient of described composition pesticide is grouped into by the one-tenth of following weight portion: oxamyl 2.0-90.0 part, plant growth regulator 0.4-40 part and active polysaccharide 0.4-40 part, described plant growth regulator is a kind of in compound nitrophenol salt or diethyl aminoethyl hexanoate or both mixtures, and described active polysaccharide is the mixture of any one or both in chitosan oligosaccharide, Portugal's polyene sugar.
9. composition pesticide according to claim 8, is characterized in that, the active ingredient of described composition pesticide is grouped into by the one-tenth of following weight portion: oxamyl 2.0-90.0 part, plant growth regulator 2-40 part and active polysaccharide 0.4-40 part.
10. composition pesticide according to claim 8 or claim 9, it is characterized in that, described compound nitrophenol salt is compound nitrophenol sodium salt, compound nitrophenol sylvite or compound nitrophenol ammonium salt, and wherein compound nitrophenol salt is that 1:2:3 forms by 5-nitroguaiacol salt, ortho-nitrophenyl phenates, p-nitrophenyl phenates according to weight ratio.
11. composition pesticides according to claim 8 or claim 9, it is characterized in that, also include soluble filler, its weight portion is 1.0-99.0 part.
12. composition pesticides according to claim 11, is characterized in that, also include soluble filler, and its weight portion is 1.0-99.0 part.
The application of composition pesticide described in 13. any one of claim 8-12 in the agricultural chemicals of preparation control crop root nematodosis.
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