Mancozeb Chinese herbal medicine complex bactericide used for controlling paddy rice sheath blight

A technology for compounding fungicides and rice sheath blight is applied in the field of pesticides, which can solve the problems of high price, easy generation of drug resistance by diseases and insects, and achieve the effect of protecting the ecological environment and achieving good control effects.

CN102919287AInactive Publication Date: 2013-02-13QINGDAO AGRI UNIV
2 Cites 13 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2013-02-13
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
Patent Text Reader

Abstract

The invention relates to a mancozeb Chinese herbal medicine complex bactericide used for controlling paddy rice sheath blight. Every 100 parts of the complex bactericide is prepared from the raw materials of, by weight: 8-12 parts of mancozeb, 9-11 parts of celastrus angulatus, 9-11 parts of fischer euphorbia root, 9-11 parts of lightyellow sophora root, 4-6 parts of amur corktree bark, 4-6 parts of male fern rhizome, 4-6 parts of Hindu datura flower, 4-6 parts of Chinese pulsatilla, 4-6 parts of Baikal skullcap root, 4-6 parts of common monkshood mother-root, 2-3 parts of betel nut, 2-3 parts of common cnidium fruit, 2-3 parts of dayflower, 2-3 parts of lobedleaf pharbitis seed, 2-3 parts of honeycomb, 2-3 parts of pine needles, 2-3 parts of sessile stemona root tuber, 2-3 parts of common threewingnut root, 4-6 parts of black falsehellebore root, and balance of auxiliary materials. Water extraction products or organic solvent extraction products of the Chinese herbal medicines are adopted as the raw materials. The production cost of the complex preparation provided by the invention is low, and the raw material source is wide. The bactericide provided by the invention has the characteristics of high efficiency, low toxicity, high safety, environment friendliness, and no drug resistance. The bactericide has a special effect in controlling paddy rice sheath blight diseases.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the field of pesticides, in particular to a Chinese herbal medicine compound fungicide mancozeb for preventing and treating rice sheath blight. Background technique

[0002] Rice sheath blight, also known as moire, is commonly known as flower foot stalk, rotten foot blast, eyebrow spot. It is caused by infection by Rhizoctonia solani, and it mostly occurs under high temperature and high humidity conditions. Sheath blight is one of the major diseases in rice production, which is a serious hazard in southern rice areas. The disease prevents the rice from heading, or there are more grains in the heading, and the grain weight decreases. Most of the existing control agents are pure chemical agents. The use of pure chemical agents has the disadvantages of high efficiency, high price, and easy resistance of diseases and insect pests. The invention provides a compound prepared by compounding a small amount of chemical agents and Chi...

Examples

Embodiment 1

[0014] Embodiment 1 10% mancozeb Chinese herbal medicine compound oil suspension

[0015] The preparation method is as follows:

[0016] Mancozeb 10g, Mancozeb 10g, Chamaejasma root 10g, Sophora flavescens 10g, Phellodendron 5g, Guanzhong 5g, Dajinhua 5g, Pulsatilla 5g, Scutellaria baicalensis 5g, Aconitum 5g, Betel nut 2g, Cnidium 2g Commelina 3g, Morning Glory 3g, Honeycomb 3g, Pine Needle 3g, Centipeda 3g, Veratrum 5g, Tripterygium wilfordii 3g, mix all the Chinese herbs weighed, soak in water for 10-15 minutes, then add to 600ml Water heat extraction, heat extraction 2 times, each extraction time is 2 hours, combined extracts, concentrated, dried to obtain powdered Chinese herbal medicine extract 20g, mixed with 10g mancozeb, plus 1.5g carboxylate Dispersant, 2.0g thickener organic bentonite, 9.0g emulsifier ethylene oxide propylene oxide block polymer, 49.5g turpentine-based vegetable oil, mix evenly and put it into a sand mill, sand mill until the particle size is below...