CN112479777B - Nematode-killing root-promoting microemulsion pesticide fertilizer and application thereof - Google Patents
Nematode-killing root-promoting microemulsion pesticide fertilizer and application thereof Download PDFInfo
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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Abstract
The invention discloses a nematode-killing root-promoting microemulsion pesticide fertilizer and application thereof. The nematode-killing root-promoting microemulsion pesticide fertilizer consists of pesticide insecticide, nitrogen fertilizer, phosphate fertilizer, potash fertilizer, trace element fertilizer, potassium fulvate, diethylaminoethanol butyrate, solvent, salt-tolerant surfactant and water, and the mass percentage of each component is as follows: 0.1-1.5% of pesticide; 3-15% of a nitrogen fertilizer; 15-40% of a phosphate fertilizer; 3-15% of a potassium fertilizer; 0.1-5% of trace element fertilizer; 3-7% of potassium fulvate; 0.1-2% of diethylaminoethanol butyrate; 1-10% of a solvent; 1-10% of a salt-resistant surfactant; the balance of water. The nematode-killing root-promoting microemulsion pesticide fertilizer has an average prevention effect of more than 75% on the root-knot nematodes of crops such as tomatoes, cucumbers and the like, repairs the root systems of the crops and promotes the growth of the root systems.
Description
Technical Field
The invention relates to a nematode-killing and root-promoting microemulsion pesticide fertilizer and application thereof, belonging to the technical field of pesticides.
Background
The pesticide fertilizer is a mixture which is prepared by reasonably mixing pesticide and fertilizer and can stably exist according to a specific preparation process, and has the functions of killing and inhibiting crop diseases and insect pests, and simultaneously providing nutrition and regulating crop growth. The pesticide and the fertilizer are reasonably combined together, and the pesticide and the fertilizer are synergistic, so that the pesticide effect and the fertilizer effect can be effectively improved, and the application amount of the pesticide and the fertilizer is reduced; in addition, the pesticide fertilizer combines the two labor of field pest control and fertilization into one, saves time, labor and labor, and achieves the effect of twice with half the effort; furthermore, the pesticide fertilizer is the best solution aiming at the integration of water, fertilizer and pesticide under the development trend of large-scale modern agriculture.
The nematodes are low-grade invertebrates, are widely distributed, almost ubiquitous, various in variety and strong in environmental adaptability. Nematodes are universally listed worldwide as pests with serious agricultural threats. Nematode directly infects the root of crops to cause obvious root lesions, such as root knots, thick and short roots, hairy roots, weak and small root systems, rottenness, hyperplasia, curling and other symptoms, so that the root of the crops absorbs water and nutrition to be blocked, the growth and development of overground parts are further influenced, the yield and the quality of the crops are finally reduced, and the development of agricultural economy is severely restricted. Therefore, there is a need for a nematicidal and root-promoting liquid microemulsion fertilizer.
Disclosure of Invention
The invention aims to provide a nematode-killing root-promoting microemulsion pesticide fertilizer, which is characterized in that under the action of a salt-tolerant surfactant, a pesticide, a fertilizer and a bio-stimulant are mixed into a whole to form a microemulsion, the microemulsion pesticide fertilizer can stably exist for two years, the average prevention effect on root-knot nematodes of crops such as tomatoes, cucumbers and the like is more than 75%, and meanwhile, the root system of the crops can be repaired to promote the growth of the root system.
The nematode-killing root-promoting microemulsion pesticide fertilizer provided by the invention consists of pesticide, nitrogen fertilizer, phosphate fertilizer, potash fertilizer, trace element fertilizer, potassium fulvate, diethylaminoethanol butyrate, solvent, salt-tolerant surfactant and water;
the mass percentage of each component is as follows:
0.1-1.5% of pesticide; 3-15% of a nitrogen fertilizer; 15-40% of a phosphate fertilizer; 3-15% of a potassium fertilizer; 0.1-5% of trace element fertilizer, 3-7% of fulvic acid potassium and 0.1-2% of butylacetic diethylaminoethanol ester; 1-10% of a solvent; 1-10% of a salt-resistant surfactant; the balance of water.
Preferably, the nematicidal and root-promoting microemulsion pesticide fertilizer comprises the following components in percentage by mass a) or b):
a) 0.5 to 1 percent of pesticide; 6-10% of a nitrogen fertilizer; 25-35% of phosphate fertilizer; 6-10% of a potassium fertilizer; 1-3% of trace element fertilizer, 3-5% of potassium fulvate and 0.4-1% of diethylaminoethanol butyrate; 1-3% of a solvent; 5-10% of a salt-resistant surfactant; the balance of water;
b) 0.55 to 1 percent of pesticide insecticide; 6-10% of a nitrogen fertilizer; 25-30% of phosphate fertilizer; 6-8% of a potassium fertilizer; 1-2.5% of trace element fertilizer, 3-4% of potassium fulvate and 0.5-0.5% of diethylaminoethanol butyrate; 1-2% of a solvent; 8-10% of a salt-resistant surfactant; the balance of water;
the content of each component in the nematicidal and root-promoting microemulsion pesticide fertilizer in percentage by mass is preferably any one of the following components:
1) 0.8% of pesticide insecticide, 8% of nitrogenous fertilizer, 30% of phosphate fertilizer, 8% of potash fertilizer, 1% of trace element fertilizer, 4% of potassium fulvate, 0.5% of diethylaminoethanol butyrate, 2% of solvent, 10% of salt-resistant surfactant and the balance of water;
2) 0.55% of pesticide, 10% of nitrogenous fertilizer, 32% of phosphate fertilizer, 8% of potash fertilizer, 2.5% of trace element fertilizer, 4% of fulvic acid potassium, 0.5% of diethylaminoethanol butyrate, 1.5% of solvent, 9% of salt-tolerant surfactant and the balance of water;
3) 1% of pesticide insecticide, 8% of nitrogenous fertilizer, 30% of phosphate fertilizer, 7.5% of potash fertilizer, 2.5% of trace element fertilizer, 3% of potassium fulvate, 0.8% of diethylaminoethanol butyrate, 1% of solvent, 8% of salt-tolerant surfactant and the balance of water;
4) 1% of pesticide insecticide, 6% of nitrogenous fertilizer, 25% of phosphate fertilizer, 6% of potash fertilizer, 1.5% of trace element fertilizer, 4% of potassium fulvate, 0.8% of diethylaminoethanol butyrate, 2% of solvent, 9% of salt-resistant surfactant and the balance of water.
In the nematode-killing root-promoting microemulsion pesticide fertilizer, the pesticide is at least one of fluopyram, abamectin and abamectin B2 a;
the mass ratio of the pesticide to the diethylaminoethanol butyrate is (2-0.5): 1. 1.1-1.6: 1. 1.1-1.25: 1. 1.1: 1. 1.25: 1 or 1.6: 1.
in the nematode-killing root-promoting microemulsion pesticide fertilizer, the nitrogen fertilizer is any one of urea, ammonium nitrate, ammonium sulfate, ammonium chloride, ammonia water and urea ammonium nitrate solution;
the phosphate fertilizer is at least one of monoammonium phosphate, diammonium phosphate, ammonium polyphosphate, monopotassium phosphate, dipotassium phosphate, potassium tripolyphosphate, potassium pyrophosphate and potassium phosphite;
the potassium fertilizer is at least one of potassium chloride, potassium nitrate, potassium sulfate, monopotassium phosphate, dipotassium phosphate, potassium tripolyphosphate, potassium pyrophosphate, potassium phosphite and potassium hydroxide and potassium formate;
the trace element fertilizer is at least one of zinc sulfate, EDTA disodium zinc, manganese sulfate, EDTA disodium manganese, copper sulfate, EDTA disodium copper, ferrous sulfate, EDTA disodium iron, ammonium molybdate, sodium molybdate, borax, boric acid and sodium octaborate tetrahydrate;
the potassium fulvate is any one of mineral potassium fulvate and biochemical potassium fulvate.
In the nematode-killing and root-promoting microemulsion pesticide fertilizer, the solvent is one or two of N-butyl alcohol, DMF, N-dimethylacetamide, DMSO, N-methylpyrrolidone, cyclohexanone, soybean oil, xylene, trimethylbenzene, decanamide, methyl oleate and rosin-based vegetable oil.
In the nematode-killing root-promoting microemulsion pesticide fertilizer, the salt-tolerant surfactant is fatty alcohol polyoxyethylene ether, castor oil polyoxyethylene ether, ethylene oxide/propylene oxide block copolymer, polyoxyethylene ether sulfate, fatty alcohol ether phosphate and aryl phenol ether phosphate, at least two of polyoxyalkyl ether polymer, alkylphenol ethoxylate, potassium alkyl polyether phosphate, polyether modified siloxane phosphate and fatty alcohol polyglycerol ether derivative, preferably a compound of potassium alkyl polyether phosphate and fatty alcohol polyglycerol ether derivative, a compound of fatty alcohol ether phosphate, ethylene oxide/propylene oxide block copolymer and fatty alcohol polyoxyethylene ether, a compound of fatty alcohol polyglycerol ether derivative and potassium alkyl polyether phosphate, and a compound of polyether modified siloxane phosphate and fatty alcohol polyoxyethylene ether.
The invention also provides a preparation method of the nematode-killing root-promoting microemulsion pesticide fertilizer, which comprises the following steps:
(1) adding the pesticide, the diethylaminoethanol butyrate and the solvent into a kettle A at normal temperature, stirring at the rotating speed of 100-200 r/min for 10-20 min, adding the salt-tolerant surfactant after complete dissolution, and continuously stirring for 5-10 min to obtain a transparent liquid A;
(2) adding the nitrogen fertilizer, the phosphate fertilizer, the potassium fertilizer, the trace element fertilizer, the potassium fulvate and the water into a kettle B at normal temperature, and stirring at the rotating speed of 100-200 r/min for 30-50 min to obtain a liquid fertilizer B;
(3) and adding the transparent liquid A into the liquid fertilizer B at the rotating speed of 100-200 r/min, and stirring for 10-60 min to obtain the nematode-killing and root-promoting microemulsion pesticide fertilizer.
The nematode-killing and root-promoting microemulsion pesticide fertilizer can prevent and control the root-knot nematodes of crops and promote the development of crop root systems; root irrigation can be carried out.
The nematode-killing root-promoting microemulsion pesticide fertilizer has an average prevention effect of more than 75% on the root-knot nematodes of crops such as tomatoes, cucumbers and the like, repairs the root systems of the crops and promotes the growth of the root systems.
The invention has the following beneficial effects:
(1) has effects of killing nematode and promoting crop root system development.
(2) The combination of pesticide and fertilizer is realized in the form of microemulsion, and the liquid pesticide fertilizer has stable physical and chemical properties, uniform and transparent property after being stored for two years at normal temperature, no layering phenomenon and good stability with time through a reasonable formula and a proper surfactant.
(3) The process, the required equipment and the operation are simple, and the method is suitable for industrial production.
Detailed Description
The experimental procedures used in the following examples are all conventional procedures unless otherwise specified.
Materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example 1 preparation of nematicidal and root-promoting microemulsion insecticide fertilizer
The nematode-killing root-promoting microemulsion pesticide fertilizer comprises the following raw materials in percentage by mass:
0.8% of pesticide, 8% of nitrogenous fertilizer, 30% of phosphate fertilizer, 8% of potash fertilizer, 1% of trace element fertilizer, 4% of fulvic acid potassium, 0.5% of diethylaminoethanol butyrate, 2% of solvent, 10% of surfactant and the balance of water.
The preparation method comprises the following steps:
(1) adding 8 kg of fluopyram, 5 kg of butyric diethylaminoethanol ester and 20 kg of cyclohexanone into a kettle A at normal temperature, stirring for 10min at the rotating speed of 200r/min, adding 80 kg of polyether modified siloxane phosphate (SK-33SC) and 20 kg of fatty alcohol-polyoxyethylene ether (AEO-9) after complete dissolution, and continuously stirring for 10min to prepare transparent liquid A;
(2) at normal temperature, adding 80 kg of urea ammonium nitrate solution, 200 kg of ammonium polyphosphate solution, 100 kg of potassium tripolyphosphate, 80 kg of potassium nitrate, 10 kg of boric acid, 40 kg of potassium fulvate and 357.7 kg of water into a kettle B, and stirring at the rotating speed of 200r/min for 40min to prepare a liquid fertilizer B;
(3) slowly adding the transparent liquid A in the A kettle into the B kettle at the rotating speed of 200r/min, and stirring for 20min to obtain the transparent microemulsion pesticide fertilizer.
Example 2 preparation of nematicidal and root-promoting microemulsion insecticide fertilizer
The nematode-killing root-promoting microemulsion pesticide fertilizer comprises the following raw materials in percentage by mass:
0.55% of pesticide, 10% of nitrogenous fertilizer, 32% of phosphate fertilizer, 8% of potash fertilizer, 2.5% of trace element fertilizer, 4% of fulvic acid potassium, 0.5% of diethylaminoethanol butyrate, 1.5% of solvent, 9% of surfactant and the balance of water.
The preparation method comprises the following steps:
(1) at normal temperature, adding 5.5 kg of abamectin, 5 kg of butylacetic diethylaminoethanol ester and 15 kg of decanamide into a kettle A, stirring at the rotating speed of 200r/min for 10min, adding 60 kg of fatty alcohol polyglyceryl ether derivative (Atlox4894) and 30 kg of alkyl polyether phosphate potassium salt (SP-3060) after complete dissolution, and continuously stirring for 10min to prepare transparent liquid A;
(2) at normal temperature, 100 kg of urea, 300 kg of ammonium polyphosphate solution, 50 kg of potassium pyrophosphate, 50 kg of monopotassium phosphate, 20 kg of zinc sulfate, 5 kg of boric acid, 40 kg of biochemical fulvic acid potassium and 319.2 kg of water are added into a B kettle, and the mixture is stirred for 40min at the rotating speed of 200r/min to prepare a liquid fertilizer B;
(3) slowly adding the transparent liquid A in the A kettle into the B kettle at the rotating speed of 200r/min, and stirring for 30min to obtain the transparent microemulsion pesticide fertilizer.
Example 3 preparation of nematicidal and root-promoting microemulsion insecticide fertilizer
The nematode-killing root-promoting microemulsion pesticide fertilizer comprises the following raw materials in percentage by mass:
1% of pesticide insecticide, 8% of nitrogenous fertilizer, 30% of phosphate fertilizer, 7.5% of potash fertilizer, 2.5% of trace element fertilizer, 3% of fulvic acid potassium, 0.8% of diethylaminoethanol butyrate, 1% of solvent, 8% of surfactant and the balance of water.
The preparation method comprises the following steps:
(1) at normal temperature, adding abamectin B2a 10 kg, diethylaminoethanol butyrate 8 kg, N-methylpyrrolidone 8 kg and N-butanol 2 kg into the A kettle, stirring at the rotating speed of 200r/min for 20min, adding fatty alcohol ether phosphate(s) (C)
2280) Stirring for 10min continuously for 40 kg of ethylene oxide/propylene oxide segmented copolymer (Atlox G5000) and 20 kg of fatty alcohol-polyoxyethylene ether (AEO-9) to prepare transparent liquid A;
(2) at normal temperature, 80 kg of urea, 50 kg of diammonium phosphate, 250 kg of an ammonium polyphosphate solution, 75 kg of monopotassium phosphate, 10 kg of zinc sulfate, 10 kg of ferrous sulfate, 5 kg of boric acid, 30 kg of potassium fulvate and 381.1 kg of water are added into a kettle B, and the mixture is stirred at the rotating speed of 200r/min for 40min to prepare a liquid fertilizer B;
(3) slowly adding the transparent liquid A in the A kettle into the B kettle at the rotating speed of 200r/min, and stirring for 15min to obtain the transparent microemulsion pesticide fertilizer.
Example 4 preparation of nematicidal and root-promoting microemulsion insecticide fertilizer
The nematode-killing root-promoting microemulsion pesticide fertilizer comprises the following raw materials in percentage by mass:
1% of pesticide insecticide, 6% of nitrogenous fertilizer, 25% of phosphate fertilizer, 6% of potash fertilizer, 1.5% of trace element fertilizer, 4% of fulvic acid potassium, 0.8% of diethylaminoethanol butyrate, 2% of solvent, 9% of surfactant and the balance of water.
The preparation method comprises the following steps:
(1) at normal temperature, 6.67 kg of fluopyram, 3.33 kg of abamectin B2a 3.33, 8 kg of diethylaminoethanol butyrate, 10 kg of xylene and 10 kg of sunflower amide are added into a kettle A, stirred for 20min at the rotating speed of 200r/min, 70 kg of alkyl polyether phosphate potassium salt (SK-33SC) and 20 kg of fatty alcohol polyglycerol ether derivative (Atlox4894) are added after complete dissolution, and stirring is continued for 10min to prepare transparent liquid A;
(2) at normal temperature, 60 kg of urea ammonium nitrate solution, 250 kg of potassium pyrophosphate, 75 kg of potassium formate, 5 kg of zinc sulfate, 5 kg of ammonium molybdate, 5 kg of boric acid, 40 kg of biochemical fulvic acid potassium and 431.5 kg of water are added into a B kettle, and the mixture is stirred for 40min at the rotating speed of 200r/min to prepare a liquid fertilizer B;
(3) slowly adding the transparent liquid A in the A kettle into the B kettle at the rotating speed of 200r/min, and stirring for 15min to obtain the transparent microemulsion pesticide fertilizer.
The quality indexes of the microemulsion insecticide-fertilizer prepared in the examples 1 to 4 are measured, and the results are shown in table 1:
TABLE 1 test results of the storage stability of microemulsion fertilizers
Example 5 study of growth promoting effect of nematicidal and root-promoting microemulsion pesticide fertilizer
(1) Test article
Tomato, the variety is "star of great star"; the cucumber is 'Shannong No. 5'.
(2) Design of experiments
Tomato seeds and cucumber seeds are subjected to surface disinfection by using a 2% sodium hypochlorite solution for 3min and then are washed clean by using sterile water, the tomato seeds and the cucumber seeds subjected to surface disinfection are respectively soaked in the sterile water for 4h and 2h, then the seeds are placed in a culture dish filled with wet gauze for accelerating germination, the seeds are sowed in a seedling tray when the length of the germination is about 1cm, the seedlings cultured to the four-leaf stage are transferred to flowerpots filled with sterilized sandy soil, 2 plants are planted in each pot, and 5 repetitions are set for each treatment. Culturing in a greenhouse, pouring microemulsion medical fertilizer diluent every 7 days after transplanting and colonization, and keeping sandy soil moist.
Comprises the following steps: firstly, 0.8 percent fluopyram microemulsion insecticide fertilizer 1000 times of diluent is used for root irrigation; ② 0.55 percent avermectin microemulsion insecticide fertilizer 1000 times of diluent for root irrigation; ③ irrigating the root with 1000 times of diluent of 1 percent of avermectin B2a microemulsion insecticide-fertilizer; fourthly, irrigating the root with 1000 times of diluent of 1 percent fluopyram-avermectin B2a microemulsion insecticide fertilizer; the control was irrigated with clear water. And (5) surveying plant growth indexes after culturing for 30d, completely taking out the root system of the plant, and measuring the plant height, the fresh weight of the overground part, the fresh weight of the underground part and the root length of the plant after washing the plant.
(3) Analysis of results
As can be seen from Table 2, the application of different microemulsion insecticide-fertilizer diluents to root irrigation has significant growth promoting effects on the fresh weight of the overground part, the fresh weight of the underground part, the root length and the plant height of the tomato seedlings compared with the control. Wherein the 1% fluopyram-avermectin B2a microemulsion pesticide-fertilizer has the best growth promoting effect, and the fresh weight of the overground part, the fresh weight of the underground part, the root length and the plant height are respectively improved by 61.2%, 88.2%, 70.9% and 43.0% compared with the control; secondly, the growth promoting effect of the 0.8% fluopyram microemulsion pesticide fertilizer is obviously different from the growth promoting effects of the 1% avermectin B2a microemulsion pesticide fertilizer and the 0.55% avermectin microemulsion pesticide fertilizer; each treatment was significantly different from the blank.
The root irrigation of cucumber seedlings is carried out by using different microemulsion medical fertilizer diluents, and as can be seen from table 3, compared with a control, four different microemulsion medical fertilizers have remarkable growth promotion effects on the growth of cucumbers. Wherein the 1% fluopyram-abamectin B2a microemulsion insecticide-fertilizer has the best growth promotion effect, so that the fresh weight of the overground part of the cucumber is increased by 46.7%, the fresh weight of the underground part is increased by 33.0%, the root length is increased by 56.2%, and the plant height is increased by 39.5%; secondly, the growth promoting effect of the 0.8% fluopyram microemulsion pesticide fertilizer is obviously different from the growth promoting effects of the 1% avermectin B2a microemulsion pesticide fertilizer and the 0.55% avermectin microemulsion pesticide fertilizer; each treatment was significantly different from the blank.
TABLE 2 Effect of microemulsion fertilizers on tomato plant growth
TABLE 3 Effect of microemulsion fertilizers on cucumber plant growth
Example 6 potted plant control efficacy test of nematicidal and root-promoting microemulsion insecticide fertilizer against tomato root-knot nematode and cucumber root-knot nematode
(1) Test article
Tomato, the variety is "star of great star"; the cucumber is 'Shannong No. 5'.
(2) Preparation of root-knot nematode second-instar larvae J2
The root-knot nematodes are collected from tomato diseased plants in vegetable greenhouses of Li Jiazhuang village, Shandong province, Shouguang city, the tomato root system which is seriously infected and generates a large amount of root knots is washed clean by running water, cut into small segments of 5-10 cm, placed under a dissecting mirror, a dissecting needle is used for picking fresh oocysts and placing the oocysts into a clean culture dish, the surface of the oocysts is disinfected by 1% sodium hypochlorite solution for 1min, then the oocysts are washed by sterile water for 3 times, the oocysts are placed into the culture dish containing the sterile water and placed in a thermostat at 25 ℃ for dark incubation, the sterile water is replaced every day, and the second-instar larvae J2 in the oocysts are collected and placed in a refrigerator at 4 ℃ for standby.
(3) Design of experiments
Tomato and cucumber seedlings cultured to the four-leaf stage were transferred to pots filled with sterilized sand, 2 seedlings per pot. After transplanting and colonization, 2 small holes with the depth of 2cm are punched around the root systems of the seedlings by using a puncher, the collected root-knot nematode second-instar larvae J2 suspension is inoculated into the holes, and 1000 nematodes are inoculated to each seedling. And (3) irrigating roots of each seedling after 3 days of nematode inoculation by using 100mL of microemulsion insecticide fertilizer, wherein each treatment is repeated for 3 times, and each time is repeated for 5 pots. The test period was only one application, and the seedlings were placed in a greenhouse for uniform management. And (4) completely taking out the tomato root system and the cucumber root system after culturing for 30 days, washing the root systems with tap water, investigating the infection degree of the root systems and calculating the control effect.
Comprises the following steps: 0.8 percent fluopyram microemulsion pesticide-fertilizer 800 times of diluent; ② 0.55 percent avermectin microemulsion pesticide-fertilizer 500 times of diluent; ③ 1000 times of diluent of 1 percent avermectin B2a microemulsion insecticide-fertilizer; fourthly, 1000 times of diluent of 1 percent fluopyram-avermectin B2a microemulsion insecticide fertilizer; fifthly, diluting 1.8 percent of abamectin emulsifiable solution by 1000 times to be used as a positive control; negative controls were rooted with 100mL of clear water.
(4) The investigation method comprises the following steps: root knot index grading standard: level 0: no root knot exists; level 1: the root knot accounts for 1-10% of the whole root system; and 2, stage: the root knot accounts for 11% -30% of the whole root system; and 3, level: the root knot accounts for 31% -50% of the whole root system; 4, level: the root knot accounts for 51% -75% of the whole root system; and 5, stage: the root knot accounts for more than 76% of the whole root system. And (5) investigating data and calculating the prevention and treatment effect.
Root node index (%) - [ Σ (root node number of each stage × representative value of each stage)/(total investigated plant number × 5) ] × 100
Control effect (%) - (control knot index-treatment knot index)/control knot index ] is multiplied by 100
(5) Prevention and treatment effect of microemulsion pesticide fertilizer on tomato root-knot nematode and cucumber root-knot nematode
As can be seen from table 4, the treatment of root irrigation with the microemulsion insecticide-fertilizer with different concentrations has significant control effects on the tomato root-knot nematode and the cucumber root-knot nematode, wherein the control effect of the microemulsion insecticide-fertilizer with 1% fluopyram-avermectin B2a is the best, the control effects are 92.77% and 90.33%, and the control effect difference with other treatments is significant; the control effect of the 0.8% fluopyram microemulsion insecticide-fertilizer is obviously different from the control effects of the 1% avermectin B2a microemulsion insecticide-fertilizer and the 0.55% avermectin microemulsion insecticide-fertilizer; each treatment was significantly different from the positive control abamectin and the blank control.
TABLE 4 prevention and cure effect of microemulsion insecticide-fertilizer on tomato root-knot nematode and cucumber root-knot nematode
Claims (9)
1. A micro-emulsion pesticide fertilizer for killing nematodes and promoting root growth comprises pesticide, nitrogen fertilizer, phosphate fertilizer, potash fertilizer, trace element fertilizer, potassium fulvate, diethylaminoethanol butyrate, solvent, salt-tolerant surfactant and water;
the nematicidal and root-promoting microemulsion pesticide fertilizer comprises the following components in percentage by mass:
0.1-1.5% of pesticide; 3-15% of a nitrogen fertilizer; 15-40% of a phosphate fertilizer; 3-15% of a potassium fertilizer; 0.1-5% of trace element fertilizer; 3-7% of potassium fulvate; 0.1-2% of diethylaminoethanol butyrate; 1-10% of a solvent; 1-10% of a salt-resistant surfactant; the balance of water
The pesticide is fluopyram;
the salt-tolerant surfactant is a compound of alkyl polyether phosphate potassium salt and fatty alcohol polyglycerol ether derivative, a compound of fatty alcohol ether phosphate, ethylene oxide/propylene oxide block copolymer and fatty alcohol polyoxyethylene ether, a compound of fatty alcohol polyglycerol ether derivative and alkyl polyether phosphate potassium salt or a compound of polyether modified siloxane phosphate and fatty alcohol polyoxyethylene ether.
2. A micro-emulsion pesticide fertilizer for killing nematodes and promoting root growth comprises pesticide, nitrogen fertilizer, phosphate fertilizer, potash fertilizer, trace element fertilizer, potassium fulvate, diethylaminoethanol butyrate, solvent, salt-tolerant surfactant and water;
the nematicidal and root-promoting microemulsion pesticide fertilizer comprises the following components in percentage by mass:
0.1-1.5% of pesticide; 3-15% of nitrogenous fertilizer; 15-40% of a phosphate fertilizer; 3-15% of a potassium fertilizer; 0.1-5% of trace element fertilizer; 3-7% of potassium fulvate; 0.1-2% of diethylaminoethanol butyrate; 1-10% of a solvent; 1-10% of a salt-resistant surfactant; the balance of water
The pesticide is fluopyram and abamectin B2 a; the mass ratio of fluopyram to abamectin B2a is 6.67: 3.33;
the salt-tolerant surfactant is a compound of alkyl polyether phosphate potassium salt and fatty alcohol polyglycerol ether derivative, a compound of fatty alcohol ether phosphate, ethylene oxide/propylene oxide block copolymer and fatty alcohol polyoxyethylene ether, a compound of fatty alcohol polyglycerol ether derivative and alkyl polyether phosphate potassium salt or a compound of polyether modified siloxane phosphate and fatty alcohol polyoxyethylene ether.
3. The nematicidal root-promoting microemulsion insecticide fertilizer of claim 1 or 2, wherein: the nematicidal and root-promoting microemulsion pesticide fertilizer comprises the following components in percentage by mass:
0.5-1% of pesticide; 6-10% of a nitrogen fertilizer; 25-35% of phosphate fertilizer; 6-10% of a potassium fertilizer; 1-3% of trace element fertilizer, 3-5% of fulvic acid potassium and 0.4-1% of diethylaminoethanol butyrate; 1-3% of a solvent; 5-10% of a salt-resistant surfactant; the balance of water.
4. The nematicidal root-promoting microemulsion insecticide fertilizer of claim 1 or 2, wherein: the mass ratio of the pesticide to the diethylaminoethanol butyrate is (2-1): 1.
5. the nematicidal root-promoting microemulsion insecticide fertilizer of claim 1 or 2, wherein: the nitrogen fertilizer is any one of urea, ammonium nitrate, ammonium sulfate, ammonium chloride, ammonia water and urea ammonium nitrate solution;
the phosphate fertilizer is at least one of monoammonium phosphate, diammonium phosphate, ammonium polyphosphate, monopotassium phosphate, dipotassium phosphate, potassium tripolyphosphate, potassium pyrophosphate and potassium phosphite;
the potassium fertilizer is at least one of potassium chloride, potassium nitrate, potassium sulfate, monopotassium phosphate, dipotassium phosphate, potassium tripolyphosphate, potassium pyrophosphate, potassium phosphite and potassium hydroxide and potassium formate;
the trace element fertilizer is at least one of zinc sulfate, EDTA disodium zinc, manganese sulfate, EDTA disodium manganese, copper sulfate, EDTA disodium copper, ferrous sulfate, EDTA disodium iron, ammonium molybdate, sodium molybdate, borax, boric acid and sodium octaborate tetrahydrate;
the potassium fulvate is any one of mineral potassium fulvate and biochemical potassium fulvate.
6. The nematicidal root-promoting microemulsion insecticide fertilizer of claim 1 or 2, wherein: the solvent is one or two of N-butyl alcohol, DMF, N-dimethyl acetamide, DMSO, N-methyl pyrrolidone, cyclohexanone, soybean oil, xylene, trimethylbenzene, decanamide, methyl oleate and rosin-based vegetable oil.
7. The method for preparing the nematicidal and root-promoting microemulsion pesticide fertilizer of any one of claims 1 to 6, comprising the steps of:
(1) at normal temperature, adding the pesticide, the diethylaminoethanol butyrate and the solvent into a kettle A, stirring until the pesticide, the diethylaminoethanol butyrate and the solvent are completely dissolved, adding the salt-tolerant surfactant, and continuously stirring to obtain transparent liquid A;
(2) at normal temperature, adding the nitrogen fertilizer, the phosphate fertilizer, the potassium fertilizer, the trace element fertilizer, the potassium fulvate and the water into a B kettle, and stirring to obtain a liquid fertilizer B;
(3) and under the condition of stirring, adding the transparent liquid A into the liquid fertilizer B to obtain the nematode-killing root-promoting microemulsion pesticide fertilizer.
8. Use of the nematicidal and root-promoting microemulsion insecticide fertilizer of any one of claims 1 to 6 to control crop root-knot nematodes and promote crop root development.
9. Use according to claim 8, characterized in that: and irrigating roots of the nematode-killing root-promoting microemulsion pesticide fertilizer.
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| CN103833479A (en) * | 2014-03-21 | 2014-06-04 | 润禾泰华生物科技（北京）有限公司 | Special liquid medicine fertilizer for increasing production, killing pests and reducing residues of rice and preparation method thereof |
| CN105061084A (en) * | 2015-08-21 | 2015-11-18 | 西安炬光生物科技有限公司 | Controlled-release pesticide fertilizer and preparing method thereof |
| CN106748305A (en) * | 2017-02-21 | 2017-05-31 | 山东康德源农业科技有限公司 | A kind of medicine fertilizer with preventing and treating root-knot nematode function and preparation method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103833479A (en) * | 2014-03-21 | 2014-06-04 | 润禾泰华生物科技（北京）有限公司 | Special liquid medicine fertilizer for increasing production, killing pests and reducing residues of rice and preparation method thereof |
| CN105061084A (en) * | 2015-08-21 | 2015-11-18 | 西安炬光生物科技有限公司 | Controlled-release pesticide fertilizer and preparing method thereof |
| CN106748305A (en) * | 2017-02-21 | 2017-05-31 | 山东康德源农业科技有限公司 | A kind of medicine fertilizer with preventing and treating root-knot nematode function and preparation method and application |
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