CN105660698A - Application of plant immune resistance inducer in prevention and control of damping-off and blight of cucumbers - Google Patents
Application of plant immune resistance inducer in prevention and control of damping-off and blight of cucumbers Download PDFInfo
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- CN105660698A CN105660698A CN201610111820.7A CN201610111820A CN105660698A CN 105660698 A CN105660698 A CN 105660698A CN 201610111820 A CN201610111820 A CN 201610111820A CN 105660698 A CN105660698 A CN 105660698A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/26—Phosphorus; Compounds thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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- C05—FERTILISERS; MANUFACTURE THEREOF
- 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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Abstract
The invention discloses application of a plant immune resistance inducer in prevention and control of damping-off and blight of cucumbers. The plant immune resistance inducer is prepared from the following active ingredients in percentage by weight: 0.001 to 0.025 percent of amino-oligosaccharin, 0.01 to 0.25 percent of phosphite and 0.01 to 0.25 percent of phosphate. Each component of the immune resistance inducer obtained by combining the amino-oligosaccharin, the phosphite and the phosphate is mixed in a reasonable proportion, so that a good prevention and control effect on damping-off and blight of the cucumbers can be achieved, an emergence rate and a seedling rate of the cucumbers can be increased, and seedling quality of the cucumbers can be improved.
Description
Technical field
The present invention relates to biological pesticide technical field, particularly relate to the application of a kind of plant immunization resistance inductor in control cucumber samping off and damping-off.
Background technology
Cucumber is endangered by multiple pathogenic bacteria can in whole growing process, and wherein samping off and damping-off are winter-spring season cucumber main diseases in seedling stage evil.
The cause of disease of cucumber samping off is caused mostly to be melon and fruit corruptionMould(Pythiumaphanidermatum (Eds.) Fitzp), belongs to Mastigomycotina fungi; Mycelium flocculence, white, mycelium without barrier film, diameter 2.3～7.1 μm; Sporocyst is thread, size (63～725) μ m (4.9～14.8) μm; Oogonium is spherical, diameter 14.9～34.8 μm. OvumSporeSpherical, smoothly, diameter 14.0～22.0 μm.
The saprophytic property of pathogenic bacteria is very strong, can at soil long-term survival, on the residual body of diseased plant and soil is survived the winter. When condition is suitable for, germination of cucumber seeds, pathogen infection melon and fruit causes dampings off; Germ also by pour water or rainwater punching spatter propagation. Seedling stem base portion after morbidity there will be khaki water stain shape scab, and disease portion easily shortens wire into after developing rapidly, cotyledon is also bud green, and seedling just lodges ground. When seedbed humidity is big, disease portion produces one layer of white hypha, last sick scutellum rot or withered.
Cucumber samping off prevention and controls: (1) seed disinfection. With 55 DEG C of warm water soaking 10 minutes before sowing, it is possible to seed is immersed in 500 times of carbendazol wettable powder solution 30 minutes. Seed soaking post-flush is clean, then carries out vernalization sowing. (2) bed soil disinfection. During configuration nutrition soil, gram derosal that adds 100 in every cubic metre of soil. After watering in seedbed, spray 72.2% before sowing and general make every effort to overcome 500 times of liquid, spray again after earthing one time. (3) chemical control. Their early stage can spray 72.2% and general make every effort to overcome aqua 500 times of liquid, or 95% hymexazol fine work, 3000 times of liquid, or 64% Sandofan wettable powder, 500 times of liquid, or 70% mancozeb wettable powder, 500 times of liquid, or 75% m-tetrachlorophthalodinitrile wettable powder, 600 times of liquid, or 50% carbendazol wettable powder, 500 times of liquid. Spray value wants big, it is desired to the bed soil around moistening melon seedling, spray in 7 to 10 days once, connects spray 2 to 3 times. Also above-mentioned medicament every square metre medication 10 to 15 grams can be mixed appropriate fine earth or fine sand, after kind of bud is unearthed, remove mulch film in time, evenly spread one layer of medicine soil control to bed surface.
Cucumber rhizoctonia rot cause of disease is dry thread Pyrenomycetes RhizoctoniasolaniK ü hn, belongs to Deuteromycotina. Dry thread Pyrenomycetes is soil inhabitant, and mainly with invalid body in soil of mycelium or sclerotium and soil long-term survival, also can be mixed in the compost not become thoroughly decomposed completely existence survives the winter; Sclerotium dun, unsetting, quality is loosened, surface irregularity; Only a few is hidden with mycelium and is got in seed; Germ survives the winter in soil, can be saprophytic 2～3 years in soil; Propagated by current, farm implements. It is 24 DEG C that germ grows suitable temperature, sows close, and not in time, temperature is too high and falls ill in thinning.
The prevention and controls of cucumber rhizoctonia rot: (1) cultural control: the wet cooling of seedbed row, adds forced ventilation, increase illumination; (2) physical control: with 55 DEG C of water seed soaking 15min; (3) chemical control: spray cuprammonium mixture 400 times of liquid, or 70% zinc manganese ethylenebisdithiocarbamate, 500 times of liquid, or 75% m-tetrachlorophthalodinitrile, 600 times of liquid, or with 25% metalaxyl, 1000 times of liquid, or the 1000 times of liquid spray pouring of 70% fenaminosulf.
Though utilizing chemical pesticide can effectively prevent and treat cucumber sprout term disease, but too increase pesticide residue and food safety risk and ecotope hidden danger in cucumber fruits, result of study shows, utilize the resistance inductor of nontoxic residue-free to lure into and in plant materials, produce disease resistance response, thus make plant obtain system resistant and exempt from disease or alleviate disease generation. Therefore, application immunity resistance inductor be can yet be regarded as a kind of both safe and effective method controlling cucumber disease.
Current resistance inductor can be divided into abiotic source and the big class of biogenetic derivation two. The oligosaccharides class that the resistance inductor in abiotic source comprises inorganic salt (copper sulfate etc.), organic acid (Whitfield's ointment etc.) and obtains by the method for organic synthesis. The resistance inductor of biogenetic derivation, except having the GOS being derived from plant and the anaphylactin (harpin) being derived from bacterium, also comprises the resistance inductor such as viral capsid proteins, glycoprotein analog.
Immunity resistance inductor is mainly through exciting the disease resistance of plant self so that it is produce antimicrobial substance, thus reaches the object suppressing pathogenic bacteria. This kind of resistance has wide spectrum, the advantage such as stable, lasting, it is possible to solves chemical prevention and there is pathogenic bacteria resistance, environmental pollution and to people and animals' side-effect problem, it is achieved agricultural-food hamlessizing technology, has become the new tool of Plant disease control. Therefore, the various new focus exciting disease-resistant, the pest-resistant plant immunization resistance inductor of plant autoprotcrtive system to become biotechnological formulation research and development.
At present, this type of preparation registered has in the world: the NCI of the Keyplex of Oxycom, Morse company of Messenger, RedoxChemicals company of the EdenBiosciences company of the U.S., the Actigard of Syngenta Co., Ltd of Switzerland, chemical drug company of Japan, the Chitosan etc. of rising sun chemistry company of Korea S. In recent years, China has developed the plant immunization resistance inductor of protein, oligosaccharides class, Field information result shows, blight, virus disease are all shown good disease resisting effect by these two kinds of resistance inductors, simultaneously to improving all successfuls such as the color of melon, fruit, sugariness, guarantor fruit. Research for many years shows, plant starts albumen and the control effects of tomato, capsicum, eggplant, seeding corn and other crops virus disease is reached more than 60%. At whole crop growth period, it may also be useful to plant starts albumen can reduce conventional pesticide usage quantity 50%-60%, reduces Fertilizer application amount 20%-30%.
Application number be 201410668404.8 application for a patent for invention disclose and a kind of there is the biological pesticide that immunity lures anti-effect, according to weight parts, its effective constituent comprises amino-oligosaccharide 0.2～12 part and brassinolide 1～20 part.This biological pesticide can be used for control plant anthrax.
In addition, according to disclosed can the exciton of activated plant immunity, dissimilar exciton is used with the research of each component synergy in agricultural chemicals is also had a lot. Such as: as far back as 1986, Davis finds that poly-seven sugar in Portugal and endogenous polygalacturonic acid lyase, ten polygalacturonic acids, sodium-acetate, sodium formiate are mixed with Sodium Propionate, has synergistic function; When poly-seven sugar in Portugal and endogenous polygalacturonic acid lyase, ten polygalacturonic acids are mixed, induced activity improves 35 times than induced activity sum when inducing separately; Beta-aminobutyric acid (BABA) is mixed with the root nodule bacterium (PGPR) of Promoting plant growth to be had and does synergism mutually; Sun Yanqiu etc. find the fungus polysaccharide of plant induced resistance agent glucohexaose and the artificial fermentation of synthetic and pectin polysaccharide mixture can inducing cucumber, tomato disease resistance increase, and the anti-effect of mixing sugar is better than each single dose and processes; Yamaguchi research finds that two kinds of oligosaccharides exciton N-acetyl shells poly-seven sugar pentasaccharides poly-with Portugal is mixed, it is possible to improving resistance against diseases, in body, the content of antimicrobial substance rice husk ketone is 5.5 times of individual excitation induction; By parent's conjunction inhibition test of poly-seven sugar of the N-acetyl shell of isotopic labeling with rice cell membrane receptor, it has been found that two excitons have two different acceptors.
But, also less about adopting plant induced resistance agent to prevent and treat the research report of cucumber sprout term disease at present, adopt dissimilar exciton to prepare plant induced resistance agent and it is applied to the disease researchs such as cucumber samping off, damping-off and rarely has report especially.
Summary of the invention
The present invention provides the application of a kind of plant immunization resistance inductor in control cucumber samping off and damping-off, and rationally, the prevention effect for cucumber sprout term disease is good for this immunity resistance inductor blending ratio, and can improve the seedling rate of cucumber, seedling rate and seedling quality.
The present invention provides the application of a kind of plant immunization resistance inductor in control cucumber samping off, wherein, percentage, the effective constituent of described plant immunization resistance inductor comprises: the amino-oligosaccharide of 0.001～0.025%, the phosphite of 0.01～0.25% and 0.01～0.25% phosphoric acid salt.
Present invention also offers the application of a kind of plant immunization resistance inductor in control cucumber rhizoctonia rot, wherein, percentage, the effective constituent of described plant immunization resistance inductor comprises: the amino-oligosaccharide of 0.001～0.025%, the phosphite of 0.01～0.25% and 0.01～0.25% phosphoric acid salt. Amino-oligosaccharide can the immunity system of activated plant and growing system, make in plant materials, to produce the active substance with resistant effect, suppress the intrusion of pathogenic bacteria, promote growing of plant.
As preferably, percentage, effective constituent is: the amino-oligosaccharide of 0.005～0.012%, the phosphite of 0.05～0.12% and 0.05～0.12% phosphoric acid salt.
As preferably, described phosphite is potassium dihydrogen phosphite, described phosphoric acid salt is potassium primary phosphate (KH2PO4)。
Potassium dihydrogen phosphite (KH2PO3) in subacidity; there is the dual function killing pathogenic bacteria and inducing plant generation resistance; the mechanism of phosphorous acid controlling disease comprises: by disturbing and suppress germ mycelial growth born of the same parents directly protect effect of host with producing, and accelerates in plant materials phenolate thing or the generation of other disease-resistance substance and indirect effect of accumulation.
Potassium primary phosphate is in acid, it has remarkable increasing both production and income, the amount of changing optimizes many excellent effects such as crop quality, resistant to lodging, disease and insect resistance, control early ageing, and has the effect of the under-nutrition overcoming the aging receptivity decline of plant growth later stage root system and cause.
Described plant immunization resistance inductor also comprises other components, is specially the tensio-active agent of 0.001～0.02%; The sustained release dosage of 0.001～0.02%. More preferably, the tensio-active agent of 0.001～0.012%; The sustained release dosage of 0.001～0.012%. Tensio-active agent can improve the distribution of above-mentioned resistance inductor active principle on plant leaf surface, attachment and infiltration, can improve the transfer of above-mentioned active principle, it is to increase the effective rate of utilization of resistance inductor.
The application effect of resistance inductor effective constituent amino-oligosaccharide, phosphite and phosphoric acid salt is had tremendous influence by the type selecting of tensio-active agent and sustained release dosage, and suitable tensio-active agent and sustained release dosage can further improve inductor to the prevention effect of cucumber samping off and damping-off.
As preferably, described tensio-active agent is Tween-80, described sustained release dosage is fulvic acid potassium.
Wherein, Tween-80 is also called Polysorbate 80 or polyoxyethylene anhydrates sorbitan monolaurate 80, has stronger surfactivity ability. Potassium fulvate is that a kind of pure natural mineral substance active potassium element is fertile, potassium fulvate includes the multiple nutritional components such as trace element, rare earth element, plant-growth regulator, viral inhibitors, avoid the generation of the various physiological disturbances that crop is caused because lacking element, making crop plant type more vigorous leaf look more dark green, lodging tolerance is stronger. Find through test, coordinate the prevention effect that can further improve inductor with fulvic acid potassium as sustained release dosage with amino-oligosaccharide and phosphite, and crop yield can be improved.
As preferably, described plant immunization resistance inductor is that 1kg counts taking gross weight, and each component proportion is:
More preferably, described plant immunization resistance inductor is that 1kg counts taking gross weight, and each component proportion is:
Present invention also offers a kind of method preventing and treating cucumber samping off and damping-off, comprise the following steps:
(1) after cucumber is sowed, irrigating plant immunity resistance inductor in the soil of sowing;
(2) grow after rough leaf until cucumber seedling, spray on plants immunity resistance inductor in the soil of described seedling and seedling periphery;
In step (1) and step (2), percentage, the effective constituent of described plant immunization resistance inductor comprises: the amino-oligosaccharide of 0.001～0.025%, the phosphite of 0.01～0.25% and 0.01～0.25% phosphoric acid salt.
The conventional method of application of plant immunization resistance inductor is seed soaking, seed dressing or foliage-spray, it is possible to promote absorption, the utilization of plant; And except carrying out except foliage-spray to cucumber seedling blade in the present invention, also irrigating plant immunity resistance inductor in the soil of sowing and in the soil of seedling periphery, test shows, adopts aforesaid method can better prevent cucumber samping off and damping-off.
As preferably, in step (1) and step (2), the amount of application of described plant immunization resistance inductor is 25～35kg/ mu;
Wherein, being that 1kg counts taking gross weight, each component proportion of described plant immunization resistance inductor is:
Specifically, in step (1), the pouring number of times of described plant immunization resistance inductor is 1 time; In step (2), the frequency that sprays of described plant immunization resistance inductor is: sprayed 1 time every 7 days, totally 3 times.
Although above-mentioned plant immunization resistance inductor also can be used in preventing and treating other disease of cucumber, but test shows, this plant immunization resistance inductor is very good for samping off and the damping-off preventive effect of cucumber, coordinating suitable amounts of components and method of application again, the preventive effect for cucumber samping off and damping-off is extremely good.
Compared with prior art, the present invention has following useful effect:
(1) amino-oligosaccharide, phosphite and phosphoric acid salt are combined by the present invention, the immune resistance inductor each component blending ratio obtained is reasonable, not only that the prevention effect of cucumber samping off and cucumber rhizoctonia rot disease is good, and the seedling rate of cucumber, seedling rate and seedling quality can be improved.
(2) the present invention adopts fulvic acid potassium as sustained release dosage, further increases resistance inductor to the prevention effect of cucumber samping off and cucumber rhizoctonia rot disease, and facilitates the raising of the seedling rate of cucumber, seedling rate and seedling quality.
(3) the present invention by plant immunization resistance inductor by watering and spray two kinds of modes use, the prevention effect of cucumber samping off and cucumber rhizoctonia rot is further improved by plant immunization resistance inductor.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further explained.
In the following example, the preparation method of plant immunization resistance inductor adopts conventional pesticide compound method, after mixed dissolution, obtains cucumber of the present invention immunity resistance inductor by each component in water.
One, test materials
Cucumber variety is ' Tianjin spring No. 4 '.
Two, immunity resistance inductor method of application
Test and carry out in Hangzhou city plant protection Tu Fei master station's Binjiang test base. Seedling medium is vegetable garden soil: peat: charcoal health ash (12:15:23), and adds appropriate composite fertilizer.
Test arranges 9 process, and wherein, comparative example 1 (comparison 1) is clear water solution comparison, and comparative example 2 (comparison 2) is derosal, and each process repeats for 3 times, and each repeats to be 1 community, 100, every community seed.
The concrete application process of immunity resistance inductor is: (embodiment 1～7 and comparative example 1～2 all adopt this application process)
(1) sowing cucumber seeds in test community, at seed upper cover soil, then it is moistening to soil to water cucumber immunity resistance inductor in soil, and wait is emerged; Before emerging, cucumber immunity resistance inductor waters once altogether, and amount of application is 30kg/ mu (in cucumber immunity resistance inductor, the effective concentration of each component is as shown in the following example 1～7 and comparative example 1～2);
(2) growing after rough leaf until cucumber seedling, spray on plants immunity resistance inductor in the soil of described seedling and seedling periphery, spraying frequency is: sprayed 1 time every 7 days, totally 3 times; The amount of application every time spraying cucumber immunity resistance inductor is 30kg/ mu (in cucumber immunity resistance inductor, the same step of the effective concentration (1) of each component, as shown in the following example 1～7 and comparative example 1～2).
After using immunity resistance inductor, observe the incidence of plant strain growth situation and sprout term disease.
Embodiment 1
A kind of plant immunization resistance inductor, in gross weight 1 kilogram, the consumption of each component is:
Embodiment 2
A kind of plant immunization resistance inductor, in gross weight 1 kilogram, the consumption of each component is:
Embodiment 3
A kind of plant immunization resistance inductor, in gross weight 1 kilogram, the consumption of each component is:
Embodiment 4
A kind of plant immunization resistance inductor, in gross weight 1 kilogram, the consumption of each component is:
Embodiment 5
A kind of plant immunization resistance inductor, in gross weight 1 kilogram, the consumption of each component is:
Embodiment 6
A kind of plant immunization resistance inductor, in gross weight 1 kilogram, the consumption of each component is:
Embodiment 7
A kind of plant immunization resistance inductor, in gross weight 1 kilogram, the consumption of each component is:
Comparative example 1
A kind of agricultural chemicals, in gross weight 1 kilogram, the consumption of each component is:
Tensio-active agent 0.1g;
Surplus is water.
Comparative example 2
A kind of agricultural chemicals, in gross weight 1 kilogram, the consumption of each component is:
Derosal 0.8g;
Surplus is water.
The investigation of the cucumber seedling disease generation situation after above-described embodiment and comparative example are processed, and measure cucumber seedling rate, seedling rate and seedling quality, result is as shown in table 1, table 2, table 3.
Table 1 different immunity resistance inductor process is on the impact of cucumber sprout term disease incidence
The different resistance inductor of table 2 processes the impact of cucumber seedling rate and seedling rate
The different resistance inductor process of table 3 is on the impact of cucumber seedling quality
| Numbering | Strain height (cm) | Main root length (cm) | Root must number (individual) | Leaf length (cm) | Leaf width (cm) |
| Embodiment 1 | 4.54±0.30 | 4.91±0.37 | 9.33±0.84 | 3.63±0.08 | 1.17±0.03 |
| Embodiment 2 | 3.65±0.32 | 4.62±0.05 | 9.22±0.59 | 3.43±0.13 | 1.07±0.02 |
| Embodiment 3 | 3.72±0.38 | 5.51±0.30 | 10.89±0.95 | 3.44±0.18 | 1.03±0.08 |
| Embodiment 4 | 3.69±0.07 | 5.54±0.34 | 10.22±0.40 | 3.53±0.15 | 1.10±0.02 |
| Embodiment 5 | 3.71±0.23 | 4.98±0.35 | 8.33±1.02 | 3.41±0.11 | 0.94±0.01 |
| Embodiment 6 | 3.09±0.09 | 3.89±0.58 | 8.33±1.17 | 3.26±0.07 | 0.91±0.04 |
| Embodiment 7 | 3.27±0.21 | 3.53±0.07 | 5.56±0.68 | 3.24±0.19 | 0.94±0.05 |
| Comparative example 1 | 2.47±0.42 | 3.86±0.55 | 7.56±0.48 | 3.17±0.28 | 0.88±0.11 |
| Comparative example 2 | 3.01±0.05 | 4.11±0.73 | 9.11±1.22 | 3.16±0.06 | 0.93±0.05 |
As can be seen from Table 1, and spraying clear water process (comparison 1) in comparative example 1 and comparative example 2 conventional pesticide processes and compares, all embodiments all can reduce the sickness rate of samping off. With regard to damping-off, comparing with comparative example 2 with comparative example 1, except embodiment 7 sickness rate is higher, all the other immunity resistance inductor embodiments all can significantly reduce the sickness rate of damping-off.
As can be seen from Table 2, compared with comparative example 1 sprays clear water process (comparison 1), all embodiments all can improve cucumber seedling rate, and compared with the process of comparative example 2 conventional pesticide, only the resistance inductor leaf emergence in embodiment 1,2,3 and 4 increases, wherein embodiment 1,3 seedling rate is the highest, and all the other embodiment seedling rates are close or lower than comparative example 2.
With regard to seedling rate, compared with comparative example 1, except embodiment 7 seedling rate is lower, the process of all the other embodiments all can improve cucumber seedling rate, and compared with the process of comparative example 2 conventional pesticide, except embodiment 5,6,7, all the other embodiment seedling rates increase, and wherein embodiment 1 seedling rate is the highest.
As can be seen from Table 3, comparing with comparative example 2 with comparative example 1, all embodiments all can increase cucumber seedling strain height, and wherein embodiment 1 is the highest, and comparative example 2 cucumber seedling strain height is higher than comparative example 1. Except embodiment 7, all the other embodiment cucumber seedling main root length and root palpus number are all higher than comparative example 1, and wherein embodiment 4 main root is the longest, embodiment 3 palpus numbers are maximum, and compared with comparative example 2, except embodiment 6, outside 7, it is long that the process of all the other embodiments all improves cucumber seedling main root. And root palpus number is except embodiment 6,7, all the other embodiments process all higher than comparative example 2.
In addition, compared with comparative example 1, all embodiments all can increase cucumber seedling leaf length and leaf width, and wherein embodiment 1 cucumber seedling leaf length and leaf width are the highest. Compared with comparative example 2, it is long that all embodiments all can increase cucumber seedling leaf, and leaf is wide except embodiment 6, and the process of all the other embodiments is all higher.
With regard to embodiment 1,2,3 and 4 test-results, the independent one of amino-oligosaccharide ratio mixed with phosphite uses to have and more obviously promotes that cucumber is disease-resistant, emerge improved performance and seedling Quality strengthening, shows that amino-oligosaccharide is mixed with phosphite and has obvious synergistic effect.
Claims (10)
1. plant immunization resistance inductor is in the application prevented and treated in cucumber samping off, it is characterized in that, percentage, the effective constituent of described plant immunization resistance inductor comprises: the amino-oligosaccharide of 0.001～0.025%, the phosphite of 0.01～0.25% and 0.01～0.25% phosphoric acid salt.
2. plant immunization resistance inductor is in the application prevented and treated in cucumber rhizoctonia rot, it is characterized in that, percentage, the effective constituent of described plant immunization resistance inductor comprises: the amino-oligosaccharide of 0.001～0.025%, the phosphite of 0.01～0.25% and 0.01～0.25% phosphoric acid salt.
3. apply as claimed in claim 1 or 2, it is characterized in that, percentage, the effective constituent of described plant immunization resistance inductor comprises: the amino-oligosaccharide of 0.005～0.012%, the phosphite of 0.05～0.12% and 0.05～0.12% phosphoric acid salt.
4. apply as claimed in claim 1 or 2, it is characterised in that, described phosphite is potassium dihydrogen phosphite; Described phosphoric acid salt is potassium primary phosphate.
5. apply as claimed in claim 1 or 2, it is characterised in that, described plant immunization resistance inductor also comprises the tensio-active agent of 0.001～0.02%; The sustained release dosage of 0.001～0.02%.
6. apply as claimed in claim 1 or 2, it is characterised in that, described tensio-active agent is Tween-80; Described sustained release dosage is fulvic acid potassium.
7. apply as claimed in claim 1 or 2, it is characterised in that, it is that 1kg counts taking gross weight, each component proportion of described plant immunization resistance inductor is:
8. prevent and treat the method for cucumber samping off and damping-off for one kind, it is characterised in that, comprise the following steps:
(1) after cucumber is sowed, irrigating plant immunity resistance inductor in the soil of sowing;
(2) grow after rough leaf until cucumber seedling, spray on plants immunity resistance inductor in the soil of described seedling and seedling periphery;
In step (1) and step (2), percentage, the effective constituent of described plant immunization resistance inductor comprises: the amino-oligosaccharide of 0.001～0.025%, the phosphite of 0.01～0.25% and 0.01～0.25% phosphoric acid salt.
9. method as claimed in claim 8, it is characterised in that, in step (1) and step (2), the amount of application of described plant immunization resistance inductor is 25～35kg/ mu;
Wherein, being that 1kg counts taking gross weight, each component proportion of described plant immunization resistance inductor is:
10. method as claimed in claim 8, it is characterised in that, in step (1), the pouring number of times of described plant immunization resistance inductor is 1 time; In step (2), the frequency that sprays of described plant immunization resistance inductor is: sprayed 1 time every 7 days, totally 3 times.
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Cited By (8)
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| CN107333551A (en) * | 2017-08-09 | 2017-11-10 | 太仓欣杨家庭农场有限公司 | A kind of efficient implantation methods of watermelon |
| CN107466514A (en) * | 2017-08-09 | 2017-12-15 | 太仓欣杨家庭农场有限公司 | A kind of efficient implantation methods of balsam pear |
| CN107593365A (en) * | 2017-10-24 | 2018-01-19 | 天峨县平昌生态农业有限公司 | A kind of potting nutritional soil and preparation method thereof |
| CN107801605A (en) * | 2017-11-30 | 2018-03-16 | 广西南宁益土生物科技有限责任公司 | A kind of crop seedling Nutrition Soil and preparation method thereof |
| CN107821038A (en) * | 2017-11-10 | 2018-03-23 | 王鲁 | A kind of cucumber seedling-raising method |
| CN108299080A (en) * | 2018-02-01 | 2018-07-20 | 河北省林业科学研究院 | A kind of special tree vigo(u)r restorative of Chinese pine and its application |
| CN109757503A (en) * | 2019-02-18 | 2019-05-17 | 太湖鑫芳源林业发展有限公司 | A kind of prevention and treatment cucumber rhizoctonia rot medicament |
| CN110419288A (en) * | 2019-07-03 | 2019-11-08 | 中国科学院过程工程研究所 | A method of the improvement desertification soil quickly formed based on organic matter |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333551A (en) * | 2017-08-09 | 2017-11-10 | 太仓欣杨家庭农场有限公司 | A kind of efficient implantation methods of watermelon |
| CN107466514A (en) * | 2017-08-09 | 2017-12-15 | 太仓欣杨家庭农场有限公司 | A kind of efficient implantation methods of balsam pear |
| CN107593365A (en) * | 2017-10-24 | 2018-01-19 | 天峨县平昌生态农业有限公司 | A kind of potting nutritional soil and preparation method thereof |
| CN107821038A (en) * | 2017-11-10 | 2018-03-23 | 王鲁 | A kind of cucumber seedling-raising method |
| CN107801605A (en) * | 2017-11-30 | 2018-03-16 | 广西南宁益土生物科技有限责任公司 | A kind of crop seedling Nutrition Soil and preparation method thereof |
| CN108299080A (en) * | 2018-02-01 | 2018-07-20 | 河北省林业科学研究院 | A kind of special tree vigo(u)r restorative of Chinese pine and its application |
| CN109757503A (en) * | 2019-02-18 | 2019-05-17 | 太湖鑫芳源林业发展有限公司 | A kind of prevention and treatment cucumber rhizoctonia rot medicament |
| CN110419288A (en) * | 2019-07-03 | 2019-11-08 | 中国科学院过程工程研究所 | A method of the improvement desertification soil quickly formed based on organic matter |
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