A kind of multi-functional plant source bactericide is for preventing and treating the purposes of Rhizoma Iridis Tectori sickle spore basal stem rot
Technical field
The present invention relates to a kind of antibacterial, be specifically related to a kind of multi-functional plant source bactericide for preventing and treating the purposes of Rhizoma Iridis Tectori sickle spore basal stem rot.
Background technology
Applied chemistry synthetic pesticide, it has preventive effect good, acts on fast feature, one of important means being currently the prevention and control of plant diseases, pest control.But long-term substantial amounts of use chemical synthetic pesticide unreasonably, especially high poison, persistent pesticide application, cause and cause pesticide residues to exceed standard, environment and agricultural product are contaminated, endanger human and livestock health;It is serious that pest and disease damage develops immunity to drugs, preventive effect reduces even killed natural enemies, causes pest and disease damage rampant again, destroys ecological balance.Here it is " 3R " problem of so-called chemical pesticide.
The negative effect caused because of improper use or the abuse of chemical pesticide is apparent from.Botanical pesticide have low toxicity, noresidue, to the feature such as natural enemy is safer, meanwhile, its complex chemical composition of botanical pesticide, be not likely to produce Drug resistance.Therefore botanical pesticide is for solving the comparatively ideal class public nuisance-free agricultural chemicals of chemical synthetic pesticide " 3R " problem.The sickle this disease of spore basal stem rot of Rhizoma Iridis Tectori initially occurs at napiform root base portion, upwards infects subsequently to bulb.Injured obvious with health tissues difference.By sick site tissue deliquescing, taupe, inwardly taking out, coating white knits shape thing sometimes.After being planted ball plantation by disease, it is impossible to bloom.As plant early stage is infected in greenhouse, aerial parts deliquescing, bar is weak, and leaf starts to turn yellow from blade tip.Soon plant is dead.If the later stage catches an illness, then growth retardation, bud dries up.When results, pattern still shows pale.Go deep into the long-term aplasia of scape base portion within napiform root, epidermis fold.Sickle spore disease infection way one is to infect healthy kind ball by spore;Another is that healthy plant contacts susceptible kind of ball.This disease is possibly through soil-borne.Therefore, in the soil sterilized, ill kind of ball is planted extremely dangerous.When soil temperature reaches 16 DEG C, susceptible disease, high temperature makes pathogen transmission faster
Summary of the invention
It is an object of the invention to provide the purposes of a kind of multi-functional plant source bactericide preventing and treating Rhizoma Iridis Tectori sickle spore basal stem rot.
The present invention is realized by the following method above-mentioned purpose: provide a kind of multi-functional plant source bactericide for preventing and treating the purposes of Rhizoma Iridis Tectori sickle spore basal stem rot, multi-functional plant source bactericide is applied to Rhizoma Iridis Tectori, and wherein said botanical fungicide is made up of 0.5~2 part of Stellera chamaejasme L., 3~5 parts of Herba Artemisiae Annuaes, 0.7~2 part of Herba Artemisiae annuae, 0.3~1 part of Radix Cinnamomi porrecti, 1~3 part of Nicotiana tabacum L., 0.8~1.6 part of Radix Glycyrrhizae, 1~3 part of Fructus rhois chinensis, 3~5 parts of Galla Chinensiss, 0.5~2 part of Radix Sophorae Flavescentis, 0.2~0.6 part of synergist by ratio of weight and the number of copies.
Described botanical fungicide 0.8~1 part of Stellera chamaejasme L., 3.5~4.5 parts of Herba Artemisiae Annuaes, 0.9~1.3 part of Herba Artemisiae annuae, 0.5~0.7 part of Radix Cinnamomi porrecti, 1.8~2.2 parts of Nicotiana tabacum Lves, 1.2~1.4 parts of Radix Glycyrrhizaes, 1.6~2.4 parts of Fructus rhois chinensiss, 3.8~4.2 parts of Galla Chinensiss, 0.8~1.2 part of Radix Sophorae Flavescentis, 0.3~0.5 part of synergist by ratio of weight and the number of copies are made.
Described synergist is azone or Synergistic Phosphorus.
The preparation method of described botanical fungicide is: mix after one, weighing Chinese medicine by ratio of weight and the number of copies;Two, by the mixture alcohol steep of step one, wherein the mixing speed in leaching process is 210r/min, and ethanol volumetric concentration is 60%, and extraction time is 28h, and extraction temperature is 75 DEG C;Three, product step 2 obtained filters;Four, under 110 DEG C of conditions, the filtrate of step 3 is distilled;Five, 130 DEG C, 0.01MPa when, the fraction of step 4 is carried out moist heat sterilization 21min;Six, add azone, stir and namely obtain botanical fungicide.
Described synergist is azone or Synergistic Phosphorus.
The invention has the beneficial effects as follows:
Botanical fungicide of the present invention has nontoxic, low-residual, pollution-free, extensive without Drug resistance, bacteriostatic activity selectivity stronger, high, raw material sources, the pathogenic bacteria of Rhizoma Iridis Tectori sickle spore basal stem rot can be killed.The method of the present invention has the advantage that technique is simple, cost is low.Compared with chemical agent, Chinese herbal medicine action site is many, and agent duration is long, and degradation speed is fast, the advantages such as environmental pollution is little.When dosage and extension rate are identical, it is 5~10 times that chemical agent sprays controlling disease spray medicine number of times, and botanical fungicide spraying times of the present invention is 3~5 times, medicament can be substantially reduced and make consumption, reduce cost, reduce the chemical agent pressure to environment, especially because containing synergist, bactericidal effect is obviously enhanced.
Detailed description of the invention
Below presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention being made apparent clear and definite defining.
The embodiment of the present invention includes:
Embodiment 1: during preparation according to the following steps: mix after one, weighing 0.5 part of Stellera chamaejasme L., 3 parts of Herba Artemisiae Annuaes, 0.7 part of Herba Artemisiae annuae, 0.3 part of Radix Cinnamomi porrecti, 1 part of Nicotiana tabacum L., 0.8 part of Radix Glycyrrhizae, 1 part of Fructus rhois chinensis, 3 parts of Galla Chinensiss, 0.5 part of Radix Sophorae Flavescentis by ratio of weight and the number of copies;Two, by the mixture alcohol steep of step one, wherein the mixing speed in leaching process is 210r/min, and ethanol volumetric concentration is 60%, and extraction time is 28h, and extraction temperature is 75 DEG C;Three, product step 2 obtained filters;Four, under 110 DEG C of conditions, the filtrate of step 3 is distilled;Five, 130 DEG C, 0.01MPa when, the fraction of step 4 is carried out moist heat sterilization 21min;Six, add azone, stir and namely obtain botanical fungicide.
Embodiment 2: during preparation according to the following steps: mix after one, weighing 2 parts of Stellera chamaejasme L.s, 5 parts of Herba Artemisiae Annuaes, 2 parts of Herba Artemisiae annuaes, 1 part of Radix Cinnamomi porrecti, 3 parts of Nicotiana tabacum Lves, 1.6 parts of Radix Glycyrrhizaes, 3 parts of Fructus rhois chinensiss, 5 parts of Galla Chinensiss, 2 parts of Radix Sophorae Flavescentiss by ratio of weight and the number of copies;Two, by the mixture alcohol steep of step one, wherein the mixing speed in leaching process is 230r/min, and ethanol volumetric concentration is 60%, and extraction time is 42h, and extraction temperature is 80 DEG C;Three, product step 2 obtained filters;Four, under 115 DEG C of conditions, the filtrate of step 3 is distilled;Five, 130 DEG C, 0.01MPa when, the fraction of step 4 is carried out moist heat sterilization 30min;Six, add Synergistic Phosphorus, stir and namely obtain botanical fungicide.
Embodiment 3: during preparation according to the following steps: mix after one, weighing 1.4 parts of Stellera chamaejasme L.s, 4 parts of Herba Artemisiae Annuaes, 1.3 parts of Herba Artemisiae annuaes, 0.7 part of Radix Cinnamomi porrecti, 2 parts of Nicotiana tabacum Lves, 1.2 parts of Radix Glycyrrhizaes, 2 parts of Fructus rhois chinensiss, 4 parts of Galla Chinensiss, 1.2 parts of Radix Sophorae Flavescentiss by ratio of weight and the number of copies;Two, by the mixture alcohol steep of step one, wherein the mixing speed in leaching process is 220r/min, and ethanol volumetric concentration is 60%, and extraction time is 36h, and extraction temperature is 78 DEG C;Three, product step 2 obtained filters;Four, under 113 DEG C of conditions, the filtrate of step 3 is distilled;Five, 130 DEG C, 0.01MPa when, the fraction of step 4 is carried out moist heat sterilization 25min;Six, add Synergistic Phosphorus, stir and namely obtain botanical fungicide.
Utilize the antibacterial that embodiment 3 is prepared that Rhizoma Iridis Tectori sickle spore basal stem rot is prevented and treated, pouring root dispenser is begun through after Rhizoma Iridis Tectori is planted, every 10 days pouring roots are once, pouring root 5 times altogether, chemical agent 50% Sukeling, 65% Jiameiling wettable powder and present embodiment botanical fungicide dilute after 300,500,1000 multiples respectively to sickle spore basal stem rot prevention effect, result shows: when extension rate is 300 times, 1000 times, compared with two kinds of antibacterial of the application antibacterial and other, prevention effect is slightly poor.When diluting for 500 times, compare with 65% Jiameiling wettable powder and 50% Sukeling, prevention effect is identical, other extension rate 65% Jiameiling wettable powder prevention effect is slightly better than the application bactericidal agent for preventing and treating effect, therefore, 500 times can be adopted to carry out Rhizoma Iridis Tectori sickle spore basal stem rot preventing and controlling as diluted concentration.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.