CN106818925A

CN106818925A - A kind of biological pesticide and preparation method for preventing and treating graw mold of tomato

Info

Publication number: CN106818925A
Application number: CN201611182363.7A
Authority: CN
Inventors: 胡凡营
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-12-10
Filing date: 2016-12-10
Publication date: 2017-06-13

Abstract

The invention discloses a kind of biological pesticide and preparation method for preventing and treating graw mold of tomato, belong to biological pesticide technical field.Characteristic of the present invention according to graw mold of tomato, Chinese herbal medicine diversifolious pricklyash leaf or seed of the selection with compatibility Synergistic, denseflower indigo leaf, Buddhist certain herbaceous plants with big flowers, turnip, macleaya cordata, malicious trifoliate jewelvine, Chinese wisteria seed, it is made biological pesticide, proved through field test, not only achieve preferable prevention effect, and Tomato Quality can be improved, non agricultural chemical residuum is environmentally safe.

Description

A kind of biological pesticide and preparation method for preventing and treating graw mold of tomato

Technical field

The present invention relates to biological pesticide technical field, more particularly to a kind of biological pesticide for preventing and treating graw mold of tomato and preparation Method.

Background technology

Graw mold of tomato is the fungal disease caused by Botrytis cinerea.Germ it is main with sclerotium in soil or mycelia and point Raw spore is survived the winter the more summer with invalid body in earth's surface or soil, can be caused harm in the anniversary on the tomato plant of greenhouse cultivation.Into The conidium come off after ripe borrow air-flow, water, canopy room is dripped, farming is operated and diseased tissues is scattered naturally is propagated, low Tooth pipe is sprouted under warm super-humid conditions, floral organ, wound, the slough intrusion for losing are opened by host, also can directly infected by epidermis and drawn Play morbidity.Continuous superinfection, expands harm.It is general low in temperature around the Spring Festival, not air-out is put, humidity is again high, highly beneficial In ash arrhizus bacteria intrusion and infect again, it is popular, even if can leak informaton to daytime in March, but evening relative humidity is still 80% More than.Easily there is onset peak in early spring low temperature overcast and rainy day, improper ventilation, illumination deficiency, low temperature is met after particularly watering and is more easy to aggravate Plant disease epidemic.Florescence is to infect peak period, and botrytis cinerea is more to be invaded from the petal that loses is opened, and causes morbidity, is then invaded again Enter base of fruit, cause fruit rot.At present, in agricultural pollution source, pollution by pesticides is the one side of most serious.It is a large amount of to use play Poison, the broad spectrum activity chemical pesticide of high residue, not only cause farmland and agricultural product Pesticides content severe overweight, but also often make Into people, animal poisoning, the life and health of people is threaten.In order to fundamentally change this situation, it is necessary to using efficiently, Low toxicity or nontoxic, low-residual or the biological pesticide of noresidue.It is that exploitation is nuisanceless that bactericidal active material is found from plant One effective way of new type bactericide.The Chinese herbal medicine resource of China enriches, and this provides reason for the research of botanical fungicide Source presumably.Most plant pesticide low toxicities, do not destroy ecological environment, and residual is few, and selectivity is strong, does not kill pest natural enemy, evil Worm and germ are difficult to develop immunity to drugs to plant pesticide, and use cost is low.

The content of the invention

It is an object of the invention to provide a kind of noresidue, non-environmental-pollution, prevention effect significantly, be made up of pure Chinese herbal medicine Prevent and treat the biological pesticide of graw mold of tomato.

The purpose of the present invention is achieved through the following technical solutions, and the biological pesticide is former by the Chinese herbal medicine of following weight portion Material is made：Diversifolious pricklyash leaf or seed 0.5-1.1 parts, denseflower indigo leaf 0.6-1 parts, 1-2 parts of Buddhist certain herbaceous plants with big flowers, turnip 1-2 parts, macleaya cordata 0.8-1.6 Part, malicious 0.6-1 parts, Chinese wisteria seed 1.2-2 parts of trifoliate jewelvine.

Preferably：0.8 part of diversifolious pricklyash leaf or seed, 0.8 part of denseflower indigo leaf, 1.5 parts of Buddhist certain herbaceous plants with big flowers, 1.5 parts of turnip, 1.2 parts of macleaya cordata, 0.8 part of malicious trifoliate jewelvine, 1.6 parts of Chinese wisteria seed.

Preparation method：By above weight portion weigh diversifolious pricklyash leaf or seed, denseflower indigo leaf, Buddhist certain herbaceous plants with big flowers, turnip, macleaya cordata, malicious trifoliate jewelvine, Chinese wisteria seed is crushed after mixing, and is separately added into appropriate water and is endured 3 times, merging filtrate, and is filtered with multilayer gauze and filter paper, and heating is closed And after filtrate be concentrated into 3L and be made aqua, obtain final product biological pesticide of the invention.

The characteristic of each Chinese medicine：Diversifolious pricklyash leaf or seed removing dampness and destroying parasites；Denseflower indigo leaf detoxifies；Buddhist certain herbaceous plants with big flowers desinsection detoxification；Turnip desinsection disappears Product, eliminating damp, detoxifying, antimycotic, bacterial action；Macleaya cordata subdhing swelling and detoxicating, desinsection；Malicious trifoliate jewelvine desinsection is antipruritic；Chinese wisteria seed desinsection stops Bitterly, detoxify.

Specific embodiment

Implementation method one：Weigh diversifolious pricklyash leaf or seed 0.5kg, denseflower indigo leaf 0.6kg, Buddhist certain herbaceous plants with big flowers 1kg, turnip 1kg, macleaya cordata 0.8kg, malicious trifoliate jewelvine 0.6kg, Chinese wisteria seed 1.2kg, the water for being separately added into 40L, 25L, 25L are endured 3 times, every to merge filter all over boiling 4L Liquid, and filtered with multilayer gauze and filter paper, the filtrate after heating merging is concentrated into 3L and is made aqua, obtains final product biological agriculture of the invention Medicine.

Implementation method two：Weigh diversifolious pricklyash leaf or seed 0.8kg, denseflower indigo leaf 0.8kg, Buddhist certain herbaceous plants with big flowers 1.5kg, turnip 1.5kg, win 1.2kg, malicious trifoliate jewelvine 0.8kg, Chinese wisteria seed 1.6kg are returned, preparation method is with implementation method one.

Implementation method three：Weigh diversifolious pricklyash leaf or seed 1.1kg, denseflower indigo leaf 1kg, Buddhist certain herbaceous plants with big flowers 2kg, turnip 2kg, macleaya cordata 1.6kg, malicious trifoliate jewelvine 1kg, Chinese wisteria seed 2kg, preparation method is with implementation method one.

Field test

200 times of liquid are diluted for experimental group, 75% Bravo are underneath with this biological pesticide being made by implementation method two Group, clear water is prevented and treated to be A groups for control group, using simple diversifolious pricklyash leaf or seed group, the use of simple denseflower indigo leaf group is B groups, makes It is C groups with simple Buddhist certain herbaceous plants with big flowers group, the use of simple turnip group is D groups, is E groups, uses simple using simple macleaya cordata group Malicious trifoliate jewelvine group is F groups, is G groups using simple Chinese wistaria subgroup, in the preparation method and specific embodiment of each simple liquid Preparation method it is identical, field control effectiveness test is carried out to graw mold of tomato respectively, so that beneficial effects of the present invention are better described.

Linyi City Yinan County tomato planting ground is experimental field located at, burnt hair mildew, is not applied in first 7 days of experiment and process of the test Use other agricultural chemicals.Experimental field soil property is medium, and rich water is medium, and management is consistent.Temperature is average warm at 26~31 degrees Celsius during experiment 28 degrees Celsius of degree；9 treatment are set in this field test.Each treatment is repeated 2 times, and totally 18 treatment cells, select growing way and hair The basically identical field of disease originates the 1st medication of phase in graw mold of tomato, hereafter every 7d medications 1 time, continuous 2 times, and using bearing Formula sprayer, amount of liquid medicine standard is 40kg/ mus, and blade and stem are uniform by medicine, it is to avoid liquid drifts about.It is spaced after first time dispenser Second medicine is applied after 7 days, common dispenser is twice.In unification in the 7th day afternoon investigation graw mold of tomato state of an illness, scab face after each dispenser Product, calculates disease index, prevention effect.When looking into uniformly 2 points, 2 plants every, totally 4 plants are fixed per cell.

Drug effect standard：Scab grade scale is as follows.Stem, leaf, fruit occurring degree are divided into 5 grades, and graw mold of tomato is serious Degree grade scale：0 grade, stem, leaf, fruit disease-free spot；1 grade, scab accounts for stem, leaf, less than the 5% of fruit area；2 grades, disease Spot accounts for stem, leaf, the 6%~10% of fruit area；3 grades, scab accounts for stem, leaf, the 11%~25% of fruit area；4 grades, disease Spot accounts for stem, leaf, the 26%~50% of fruit area；5 grades, scab accounts for stem, leaf, more than the 50% of fruit area.Disease refer to and Prevention effect is calculated as follows：

Experimental result：Prevention effect of the different disposal of table 1 to graw mold of tomato

As seen from the above table, after three dispensers, although weight of the Chinese herbal medicine weight less than each simple used by experimental group, Prevention effect to graw mold of tomato is significantly better than other each groups.

Experimental result：Influence of the different disposal of table 2 to tomato quality (per the content of 100g nutriments)

As seen from the above table, using the tomato of biological pesticide of the present invention, not only nutritional ingredient is better than other each simple groups, It is better than and prevents and treats group, and non agricultural chemical residuum, and Storage period is obviously prolonged, it is to avoid unnecessary rotting, is readily transported storage.

Be also found in experiment, biological pesticide solution of the invention has good preventive and therapeutic effect to vegetables insect pest.Therefore, I Specially biological pesticide of the invention is diluted, extension rate be 150-250 times.It is vaporific equal for preventing and treating vegetables insect pest Even complete stool sprays.

The pest control effect of biological pesticide of the present invention such as table 3

In sum：Biological pesticide medicine speed of the invention plays fast, and drug effect is long, and after spraying 1 day, insect inhibiting rate is 84% More than, after 5 days, insect inhibiting rate more than 88%, based on formula of tagging inhaled supplemented by killing, and insect does not produce anti-by the biological pesticide The property of medicine.

Experiment more than, although weight of the Chinese herbal medicine weight less than each simple used by experimental group, right The prevention effect of graw mold of tomato, the nutritional ingredient of tomato, Storage period are significantly better than other each groups, it is possible thereby to illustrate, this hair After each simple compatibility in bright biological pesticide, synergistic function is generated.

Claims

1. a kind of biological pesticide for preventing and treating graw mold of tomato, it is characterised in that the biological pesticide is former by the Chinese herbal medicine of following weight portion Material is made：Diversifolious pricklyash leaf or seed 0.5-1.1 parts, denseflower indigo leaf 0.6-1 parts, 1-2 parts of Buddhist certain herbaceous plants with big flowers, turnip 1-2 parts, macleaya cordata 0.8-1.6 Part, malicious 0.6-1 parts, Chinese wisteria seed 1.2-2 parts of trifoliate jewelvine.

2. a kind of biological pesticide for preventing and treating graw mold of tomato as claimed in claim 1, it is characterised in that the biological pesticide by with The herbal raw material of lower weight portion is made：It is 0.8 part of diversifolious pricklyash leaf or seed, 0.8 part of denseflower indigo leaf, 1.5 parts of Buddhist certain herbaceous plants with big flowers, 1.5 parts of turnip, rich Drop back into 1.2 parts, malicious 0.8 part of trifoliate jewelvine, 1.6 parts of Chinese wisteria seed.