CN104322557B - A kind of preventing agent of erigeron breviscapus root rots and application thereof - Google Patents
A kind of preventing agent of erigeron breviscapus root rots and application thereof Download PDFInfo
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- CN104322557B CN104322557B CN201310417624.9A CN201310417624A CN104322557B CN 104322557 B CN104322557 B CN 104322557B CN 201310417624 A CN201310417624 A CN 201310417624A CN 104322557 B CN104322557 B CN 104322557B
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Abstract
The invention discloses a kind of preventing agent of erigeron breviscapus root rots and application thereof, belong to technical field of pesticide.Control agent of the present invention is formulated by copper sulfate, quick lime and floating seedlings water, it is characterised in that their weight is: 12 parts of copper sulfate, quick lime 12 parts, floating seedlings water 3,000 9000 parts.Before Herba Erigerontis is emerged or Miao Qihou, after adding control agent of the present invention immersion Herba Erigerontis root system in Flotage seedling raising pool, can effectively suppress infecting of Fusarium spp., also cyanophyceae is grown inhibitory action clearly, maintain the breathability in seedbed, root system morbidity is served good control action, can effectively control Herba Erigerontis extent of the root system, make extent of the root system control in 34 comparatively ideal states.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of preventing agent of erigeron breviscapus root rots and application thereof.
Background technology
Herba Erigerontis (Erigeron breviscapus (Vant.) Hand-Mazz), has another name called Herba Erigerontis, is the dry herb of feverfew Erigeron breviscapus (Vant.) Hand.-Mazz., is distributed mainly on Southwestern China area, especially more with Yunnan.Head is loaded in " the southern regions of the Yunnan Province book on Chinese herbal medicine ", and " Chinese Pharmacopoeia " version one in 1977 was once given and being recorded.Root rot is as the strongest crushing in Herba Erigerontis floating seedlings disease, belong to physiological disease, main cause is that substrate soil poor air permeability causes, on the one hand preventing and treating increases porosity from substrate soil formula, improve permeability, on the other hand carrying out the disinfection in seedling raising process, another further aspect is anti-cures cyanophyceae, it is to avoid high temperature causes high humidity.For controlling erigeron breviscapus root rots, in prior art, the conventional dose such as general bleaching powder, fenaminosulf, carbendazim, Mancozeb carries out sterilizing, but conventional dose prevents and treats the poor effect of root rot, as used the bleaching powder of 50000 times of liquid to do the control agent of erigeron breviscapus root rots, the emergence rate of Herba Erigerontis only has about 30-40%, root system lower end necrosis rate basically reaches 100%, has had a strong impact on the survival rate after the planting percent of Herba Erigerontis and field-transplanting.Therefore developing or finding a kind of novel effective root rot control agent is a technical problem anxious to be resolved in Herba Erigerontis intensive seedling production.
The chemical composition of Bordeaux mixture effective ingredient is CuSO4XCu(OH)2YCa(OH)2·zH2O, within 1882, Frenchman A. meter Ya Erdai finds its bactericidal action in city, Bordeaux.It is the sky blue glue suspension that the water of the copper sulfate by about 500 grams, the quick lime of 500 grams and 50 kilograms is configured to.Copper sulfate, the ratio of quick lime and add water how many, according to seeds or kind to the sensitivity (the few copper sulfate sensitive to copper, the few Calx to Calx sensitivity) of copper sulfate and Calx and the difference of controlling object, medication season and temperature depending on.Bordeaux mixture ratio conventional in production has: Bordeaux mixture Calx equivalent formula (copper sulfate: quick lime=1:1), times amount formula (copper sulfate: quick lime=1:2), partly measure formula (copper sulfate: quick lime=1:0.5) and volume formula (copper sulfate: quick lime=1:3～5).It is generally 160-240 times with water.Bordeaux mixture is protective fungicide; it is widely used in the multiple diseases of preventing and treating vegetable, fruit tree, cotton, fiber crops etc.; to downy mildew and anthrax; the leaf diseases such as the late blight of potato have better effect; it is usually sprayed at the surface of blade when using, concentration is generally copper sulfate: quick lime: water=1: 1: 100～200.Yet there are no Bordeaux mixture report of application on preventing and treating erigeron breviscapus root rots.
Herba Erigerontis floating seedlings have saving nursery land used, convenient management, time and labour saving, easily transplant, survival rate is high, without seedling-slowing stage, growth neatly and the advantage such as fast growth, solid foundation is established for Herba Erigerontis high yield, stable yields, efficiently solve conventional disperse seedling cost high, long for the Seedling time, seedling quality difference time is uneven, the shortcomings such as pest and disease damage difficulty controls, and Yield and quality is unstable.But Herba Erigerontis seed is tiny, seed cultivation time length (Small plastic shed Seedling 90 days, Floating seedling 70 days), special high-temperature high humidity season nursery, root-rot disease is serious.And Herba Erigerontis planting density is big, being 13 times of flue-cured tobacco, big hole seedling cost is high, foveola root system length and do not concentrate, root system lower end is the most downright bad, and planting percent is difficult to capture.
Summary of the invention
For deficiencies of the prior art, it is an object of the invention to provide and a kind of can control its root growth when Herba Erigerontis floating seedlings, effectively prevent the pathogenetic a kind of control agent of root-rot.
It is a further object of the present invention to provide the application in Herba Erigerontis floating seedlings of this kind of control agent.
For achieving the above object, the present invention is realized by following technical proposals: a kind of preventing agent of erigeron breviscapus root rots, formulated by copper sulfate, quick lime and floating seedlings water, it is characterized in that, their weight is: copper sulfate 1-2 part, quick lime 1-2 part, floating seedlings water 3000-9000 part, this preventing agent of erigeron breviscapus root rots is formulated by following method:
(1) take after above-mentioned copper sulfate is dissolved by 10 parts of floating seedlings waters and make copper sulfate solution；
(2) take after quick lime is dissolved by 10 parts of floating seedlings waters and make lime aqueous solution；
(3) being poured slowly in lime aqueous solution by copper sulfate solution, limit bevelling stirs, and is directly injected in the floating seedlings water of surplus after mix homogeneously, prepares control agent.
The preventing agent of erigeron breviscapus root rots of the present invention application in Herba Erigerontis floating seedlings, is before Herba Erigerontis is emerged or Miao Qihou, adds control agent in Flotage seedling raising pool, and floating seedlings depth of water is maintained at 10 15cm.
Compared with prior art, beneficial effects of the present invention has: the present situation mainly caused by fusarium infection for erigeron breviscapus root rots, the present invention selects the liquid Bordeaux mixture (concentration is by water weight/copper sulfate+quick lime weight) of 1,000 3000 times, after soaking Herba Erigerontis root system, can effectively suppress infecting of Fusarium spp., and cyanophyceae in nursery is grown inhibitory action clearly, maintain the breathability in seedbed, root system morbidity is served good control action, can also effectively control Herba Erigerontis extent of the root system, extent of the root system is made to control in 34 comparatively ideal states, so root system is more concentrated, main root is many and short and thick, it is more easy to transplant, after cultivation, root growth speed becomes apparent from, and root system lower end does not has necrosis phenomena, planting percent >=70%.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated, but is not limited to embodiment.
Embodiment 1
A kind of preventing agent of erigeron breviscapus root rots, it is the most formulated by following raw material: 1 part of copper sulfate, quick lime 1 part, floating seedlings water 2000 parts, and the compound method of this preventing agent of erigeron breviscapus root rots is made up of following step:
(1) take after above-mentioned copper sulfate is dissolved by 10 parts of floating seedlings waters and make copper sulfate solution；
(2) take after quick lime is dissolved by 10 parts of floating seedlings waters and make lime aqueous solution；
(3) being poured slowly in lime aqueous solution by copper sulfate solution, limit bevelling stirs, and is directly injected in the floating seedlings water of surplus after mix homogeneously, prepares control agent.
Flotage seedling raising pool wet concentration described in the present embodiment is posed as the people's livelihood and is applied flexibly tap water.
Preventing agent of erigeron breviscapus root rots application in Herba Erigerontis floating seedlings, its using method is now with the current.Before Herba Erigerontis is emerged or Miao Qihou, adding control agent and soak Herba Erigerontis root system in Flotage seedling raising pool, floating seedlings depth of water is maintained at 10 15cm.The index situations such as Herba Erigerontis is emerged, planting percent, root length, leaf color, root system lower end necrosis rate are shown in Table 1.
Embodiment 2
A kind of preventing agent of erigeron breviscapus root rots, it is characterised in that it is the most formulated by following raw material: 1 part of copper sulfate, quick lime 1 part, and 4000 parts of water, remaining is with embodiment 1.
Embodiment 3
A kind of preventing agent of erigeron breviscapus root rots, it is characterised in that it is the most formulated by following raw material: 1 part of copper sulfate, quick lime 1 part, and 6000 parts of water, remaining is with embodiment 1.
Embodiment 4
A kind of preventing agent of erigeron breviscapus root rots, it is characterised in that it is the most formulated by following raw material: 1 part of copper sulfate, quick lime 2 parts, and 3000 parts of water, remaining is with embodiment 1.
Embodiment 5
A kind of preventing agent of erigeron breviscapus root rots, it is characterised in that it is the most formulated by following raw material: 1 part of copper sulfate, quick lime 2 parts, and 6000 parts of water, remaining is with embodiment 1.
Embodiment 6
A kind of preventing agent of erigeron breviscapus root rots, it is characterised in that it is the most formulated by following raw material: 1 part of copper sulfate, quick lime 2 parts, and 9000 parts of water, remaining is with embodiment 1.
Embodiment 7
A kind of preventing agent of erigeron breviscapus root rots, it is characterised in that it is the most formulated by following raw material: 2 parts of copper sulfate, quick lime 1 part, and 6000 parts of water, remaining is with embodiment 1.
Embodiment 8
A kind of preventing agent of erigeron breviscapus root rots, it is characterised in that it is the most formulated by following raw material: 2 parts of copper sulfate, quick lime 2 parts, and 8000 parts of water, remaining is with embodiment 1.
Embodiment 9
A kind of preventing agent of erigeron breviscapus root rots, it is characterised in that it is the most formulated by following raw material: 2 parts of copper sulfate, quick lime 1 part, and 9000 parts of water, remaining is with embodiment 1.
Comparative example 1
Before Herba Erigerontis is emerged or Miao Qihou, adding bleaching powder in floating seedlings water, weight part ratio is bleaching powder: floating seedlings water=1:50000, and floating seedlings depth of water is maintained at 10 15cm.The index situations such as Herba Erigerontis is emerged, planting percent, root length, leaf color, root system lower end necrosis rate are shown in Table 1.
Comparative example 2
Before Herba Erigerontis is emerged or Miao Qihou, adding carbendazim in floating seedlings water, weight ratio is carbendazim: floating seedlings water=1:800, and floating seedlings depth of water is maintained at 10 15cm.The index situations such as Herba Erigerontis is emerged, planting percent, root length, leaf color, root system lower end necrosis rate are shown in Table 1.
Table 1 below gives embodiment 1-9 and the comparative example 1-2 situation of emerging when Herba Erigerontis floating seedlings and result.
Claims (1)
1. the preventing agent of erigeron breviscapus root rots application in Herba Erigerontis floating seedlings, it is characterized in that, described preventing agent of erigeron breviscapus root rots is formulated by copper sulfate, quick lime and floating seedlings water, their weight is: copper sulfate 1-2 part, quick lime 1-2 part, floating seedlings water 3000-9000 part, the application process of this preventing agent of erigeron breviscapus root rots is made up of following step:
(1) take after above-mentioned copper sulfate is dissolved by 10 parts of floating seedlings waters and make copper sulfate solution；
(2) take after quick lime is dissolved by 10 parts of floating seedlings waters and make lime aqueous solution；
(3) being poured slowly in lime aqueous solution by copper sulfate solution, limit bevelling stirs, and is directly injected in the floating seedlings water of surplus after mix homogeneously, prepares control agent
；
(4) before Herba Erigerontis is emerged or Miao Qihou, adding control agent in Flotage seedling raising pool, floating seedlings depth of water is maintained at 10 15cm.
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| CN112273164A (en) * | 2020-10-30 | 2021-01-29 | 弥渡县众联中药材种植农民专业合作社 | Floating seedling method for erigeron breviscapus |
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