CN106472582A

CN106472582A - A kind of biological pesticide of control of plant bacterial wilt and preparation method

Info

Publication number: CN106472582A
Application number: CN201610715219.9A
Authority: CN
Inventors: 魏代国
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-15
Filing date: 2016-08-15
Publication date: 2017-03-08

Abstract

The invention discloses a kind of biological pesticide of control of plant bacterial wilt, the biological pesticide is by sore flower, hancock pearleverlasting herb, poisonous flueggea leaf, daghestan sweetclover herb, Incised Corydalis Herb, henry hemsleya root Chinese herbal medicine by certain than being formulated.Prove that through field test not only there is to bacterial wilt of tomato preferable prevention effect, but also the quality of tomato can be improved, be the biological pesticide of a kind of noresidue, non-environmental-pollution.

Description

A kind of biological pesticide of control of plant bacterial wilt and preparation method

Technical field

The present invention relates to field of biological pesticide, more particularly to a kind of biological pesticide of control of plant bacterial wilt.

Background technology

The aggrieved young plant phase hazard symptoms of bacterial wilt are not obvious, and after plant blossom, diseased plant starts to show hazard symptoms.Leaf Piece color and luster is thin out, in wilting shape.Blade is wilted first from the beginning of upper blade, is followed by lower blade, is finally middle part blade.Send out Disease initial blade noon wilts, at dusk, morning recover normal, repeated multiple times, aggravation of wilting, finally withered, but plant is still green grass or young crops Color.In sick stem, bottom cortex coarse, often grow adventitious root and adventitious bud, sick cauline bundle becomes pitchy, but diseased plant root is just Often.Soak in clear water after crosscutting disease stem or otch is extruded with hand, have milky mucus to overflow.Germ is stayed in depending mainly on invalid body Field wintering, becomes the main primary source of infection of the disease.The bacterium is mainly propagated by rainwater and irrigation water, and disease fruit and the fertilizer that carries disease germs also may be used Carry disease germs, germ is invaded from root or basal part of stem wound, extend in the vascular tissue in plant body, cause catheter blockage and thin Born of the same parents' poisoning induced blade is wilted.Hot and humid be conducive to morbidity.Plant strain growth is bad, turns eyeball morbidity weight after excessive rain or heavy rain.Typically Cruelly fine after cloudy weather for several days running or drop heavy rain, soil temperature drastically gos up to be led to plant disease epidemic with temperature.Current pesticide control is mainly blue or green withered Garrick, hymexazol, metalaxyl-mn-zn, 20% Yekuzuo etc..But a large amount of uses due to chemical pesticide, are various harmful levels of pathogens Drug resistance is generated, difficulty of prevention and cure is increased, meanwhile, harm is also generated to plant itself, also, is had in vegetable melon and fruit residual Stay, harm health of people, pollution environment, the destruction ecological balance.And botanical pesticide is used as a part for biosynthesis agricultural chemicals, with Its low toxicity, selective high, degradable, low, to ecological environment to the toxicity of humans and animals impact are little, and wide material sources, cost Cheap, the active ingredient in its extract as a kind of environmental protection type agricultural chemical, with good DEVELOPMENT PROSPECT and using value.

Content of the invention

It is an object of the invention to provide a kind of noresidue, non-environmental-pollution, the quality of production is stable, prevention effect is notable, make A kind of biological pesticide of control of plant bacterial wilt that valency is cheap, be made up of pure Chinese herbal medicine.

The purpose of the present invention is achieved through the following technical solutions, and the biological pesticide is made up of following herbal raw material： Slenderstalk dicranostigma herb 200-240 part, hancock pearleverlasting herb 300-340 part, poisonous flueggea leaf 180-220 part, daghestan sweetclover herb 200-220 part, Incised Corydalis Herb 220-240 part, henry hemsleya root 160-200 part.

Preferably：220 parts of slenderstalk dicranostigma herb, 320 parts of hancock pearleverlasting herb, 200 parts of poisonous flueggea leaf, 210 parts of daghestan sweetclover herb, Incised Corydalis Herb 230 parts, 180 parts of henry hemsleya root.

Preparation method：Slenderstalk dicranostigma herb, hancock pearleverlasting herb, poisonous flueggea leaf, daghestan sweetclover herb, Incised Corydalis Herb, match are weighed by above weight portion Buddha's warrior attendant is crushed after mixing, and the water for being separately added into 18L, 10L, 10L is endured 3 times, is boiled 2L merging filtrate per time, and is used multilayer gauze Filter with filter paper, the filtrate after heating merging is concentrated into 2L and makes aqua, obtains final product the biological pesticide of the present invention.

Fang Zhong：Slenderstalk dicranostigma herb is clearing heat and detoxicating, swelling and pain relieving, desinsection；Hancock pearleverlasting herb is clearing heat and detoxicating, desinsection；Poisonous flueggea leaf wind-dispelling is removed Wet, street virus desinsection；Daghestan sweetclover herb is clearing heat and detoxicating, spend wet desinsection；Incised Corydalis Herb desinsection detoxifies；Henry hemsleya root is clearing heat and detoxicating, anti-inflammatory is killed Bacterium.

Specific embodiment

Embodiment one：Slenderstalk dicranostigma herb 200g, hancock pearleverlasting herb 300g, poisonous flueggea leaf 180g, daghestan sweetclover herb 200g, Incised Corydalis Herb 220g, henry hemsleya root 160g, weigh slenderstalk dicranostigma herb, hancock pearleverlasting herb, poisonous flueggea leaf, daghestan sweetclover herb, Incised Corydalis Herb, henry hemsleya root by above weight Crush after mixing, the water for being separately added into 18L, 10L, 10L is endured 3 times, per all over boiling 2L merging filtrate, and with multilayer gauze and filter Paper is filtered, and the filtrate after heating merging is concentrated into 2L and makes aqua, obtains final product the biological pesticide of the present invention.

Embodiment two：Slenderstalk dicranostigma herb 220g, hancock pearleverlasting herb 320g, poisonous flueggea leaf 200g, daghestan sweetclover herb 210g, Incised Corydalis Herb 230g, henry hemsleya root 180g, preparation method is with embodiment one.

Embodiment three：Slenderstalk dicranostigma herb 240g, hancock pearleverlasting herb 340g, poisonous flueggea leaf 220g, daghestan sweetclover herb 220g, Incised Corydalis Herb 240g, henry hemsleya root 200g, preparation method is with embodiment one.

Field test

Diluting 300 times of liquid underneath with this biological pesticide that makes by embodiment two for experimental group, 30% hymexazol is Prevent and treat group, clear water to be A group for control group, using simple slenderstalk dicranostigma herb group, be B group, use single using simple hancock pearleverlasting herb group Medicine poisonous flueggea leaf group is C group, is D group using simple daghestan sweetclover herb group, is E group, is used list using simple Incised Corydalis Herb group Taste medicine henry hemsleya root group is F group, and the preparation method of each simple liquid is identical with the preparation method in specific embodiment, right respectively Bacterial wilt of tomato carries out field control effectiveness test, so that beneficial effects of the present invention are better described, for example following table institute of result of the test Show.

Linyi City Yinan County Zhang village town is experimental field located at, greenhouse tomato booth, there is bacterial wilt of tomato, test front 7 Other agricultural chemicals are not applied in it and process of the test.Experimental field soil property is sandy loam, and rich water is sufficient, and management is consistent.Temperature during test Degree at 26～33 degrees Celsius, 29 degrees Celsius of mean temperature；Experimental group, A group, B group, C group, D group, E group, F is set in this field test Group is respectively 300 times of liquid, 30% hymexazol, 1000 times of liquid, clear water (CK).Totally 9 process, each process are repeated 3 times, totally 27 Cell is processed, is often processed cell and prepares according to the medicament listed by table 1, the field for selecting growing way and morbidity basically identical is blue or green in tomato Rot originates the 1st medication of phase, and hereafter every 7d medication 1 time, continuous 3 times, using knapsack sprayer, amount of liquid medicine standard is 35kg/ mu, every plant of blade and stem are uniform by medicine, it is to avoid liquid drifts about, and deviate target.Apply after being spaced 7 days after first time dispenser Second medicine, then third time medicine was applied after 7 days, dispenser three times altogether.Unification investigation in 7th day afternoon tomato green grass or young crops is withered after each dispenser The state of an illness, calculating disease index, prevention effect.

Bacterial wilt of tomato incidence grade scale is as follows：0 grade of complete stool is disease-free；1 grade of complete stool stem, blade below 25% are sent out Disease；2 grades of 25%～50% stems of complete stool, blade morbidities；3 grades of more than 50% stems of complete stool, blade morbidities；4 grades withered because of disease.Disease Refer to and prevention effect is calculated as follows：

Experimental result：Prevention effect of 1 different disposal of table to bacterial wilt of tomato

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

Experimental result：Impact (content per 100g nutriment) of 2 different disposal of table to tomato quality

As seen from the above table, the tomato for being grown using biological pesticide of the present invention, not only nutrient content be better than other each groups, and no Residues of pesticides, more the good news is Storage period is obviously prolonged, it is to avoid unnecessary rots, and is readily transported storage.

Claims

1. a kind of biological pesticide of control of plant bacterial wilt, it is characterised in that the biological pesticide is made up of following herbal raw material： Slenderstalk dicranostigma herb 200-240 part, hancock pearleverlasting herb 300-340 part, poisonous flueggea leaf 180-220 part, daghestan sweetclover herb 200-220 part, Incised Corydalis Herb 220-240 part, henry hemsleya root 160-200 part.

2. a kind of biological pesticide of control of plant bacterial wilt as claimed in claim 1, it is characterised in that the biological pesticide by with Lower herbal raw material is made：220 parts of slenderstalk dicranostigma herb, 320 parts of hancock pearleverlasting herb, 200 parts of poisonous flueggea leaf, 210 parts of daghestan sweetclover herb, Incised Corydalis Herb 230 parts, 180 parts of henry hemsleya root.