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Strawberry white leaf spot prevention and control bacteriostat, and preparation method and application thereof

A strawberry snake eye disease and bacteriostatic agent technology, which is applied in the field of bacteriostatic agents, can solve the problems of strawberry anthracnose bacteria control failure, large pesticide residues, and obstacles to the improvement of strawberry quality

Inactive Publication Date: 2015-11-04
ANHUI HEZHONG AGRI SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These antibacterial agents have the following defects in the process of preventing and treating the strawberry anthracnose: 1) after multi-frequency and multi-dose application, it is easy to cause the strawberry anthracnose to produce a higher degree of drug resistance (resistance), thereby causing the failure of the control of the strawberry anthracnose
2) The residual amount of pesticides in strawberries is relatively large, which greatly hinders the improvement of the quality of strawberries

Method used

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  • Strawberry white leaf spot prevention and control bacteriostat, and preparation method and application thereof

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preparation example Construction

[0014] The invention provides a preparation method of a bacteriostatic agent for preventing and treating strawberry snake eye disease, comprising:

[0015] 1) decocting and filtering the Chinese herbal medicine in water to obtain the Chinese herbal medicine extract;

[0016] 2) mixing the Chinese herbal medicine extract with sulfur, copper sulfate, ferrocene and phosphonium aluminum to prepare a bacteriostatic agent for preventing and treating strawberry snake eye disease;

[0017] Among them, the Chinese herbal medicines are Shijunzi, betel nut, licorice, wood turtle, rhubarb, red qi, cnidium, hive, hemp leaf nettle, crane grass bud and pomegranate peel.

[0018] In step 1) of the present invention, the amount of each raw material can be selected in a wide range, but in order to make the synergy between the materials can be brought into play to the greatest extent, preferably, in step 1), relative to 100 weight Parts of the gentleman, the consumption of betel nut is 25-30 pa...

Embodiment 1

[0027] 1) The Chinese herbal medicine extract is prepared by decocting Junzi, betel nut, licorice, wood turtle, rhubarb, red qi, cnidium, hive, nettle, crane grass bud and pomegranate peel in water at 110°C for 6 hours and filtering Among them, the weight ratio of making gentleman, betel nut, licorice, wood turtle, rhubarb, red qi, cnidium, hive, hemp leaf nettle, crane grass bud and pomegranate peel is 100:27:35:50:25: 25:90:25:65:25:70, the ratio of the total weight of Chinese herbal medicine to the weight of water is 1:30;

[0028] 2) At 25°C, the Chinese herbal medicine extract was mixed with sulfur, copper sulfate, ferrocene and phosphonium aluminum for 30 minutes to prepare the bacteriostatic agent A1 for preventing and treating strawberry snake eye disease, wherein the Chinese herbal medicine extract was mixed with sulfur, copper sulfate, The weight ratio of ferrocene and diphosphonium aluminum is 100:5:12:6:12.

Embodiment 2

[0030] 1) The Chinese herbal medicine extract is obtained by decocting Junzi, betel nut, licorice, wood turtle, rhubarb, red qi, cnidium, hive, nettle, crane grass bud and pomegranate peel in water at 100°C for 5 hours and filtering Among them, the weight ratio of making gentleman, betel nut, licorice, wood turtle, rhubarb, red qi, cnidium, hive, hemp leaf nettle, crane grass bud and pomegranate peel is 100:25:30:30:15: 15:80:12:50:15:60, the ratio of the total weight of Chinese herbal medicine to the weight of water is 1:10;

[0031] 2) At 15°C, the Chinese herbal medicine extract was mixed with sulfur, copper sulfate, ferrocene and phosphonium aluminum for 25 minutes to prepare the bacteriostatic agent A2 for preventing and treating strawberry snake eye disease, wherein the Chinese herbal medicine extract was mixed with sulfur, copper sulfate, The weight ratio of ferrocene and phosphonium aluminum is 100:4:10:3:8.

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Abstract

The invention discloses a strawberry white leaf spot prevention and control bacteriostat, and a preparation method and an application thereof. The method comprises the following steps: 1, decocting Chinese herbal medicines in water, and filtering to prepare a Chinese herbal medicinal extract liquid; and 2, mixing the Chinese herbal medicinal extract liquid with sulfur, copper sulfate, ferrocene and fosetyl-aluminum to prepare the strawberry white leaf spot prevention and control bacteriostat, wherein the Chinese herbal medicines comprise Quisqualis indica, Areca catechu, licorice root, Semen Momordicae, rheum officinale, Radix Hedysari, common cnidium fruit, honeycomb, Urtica cannabina L., Gemma Agrimoninae and pomegranate rind. The bacteriostat prepared through the method has the advantages of excellent curing effect on strawberry white leaf spot, and low residual quantity in strawberry, and the medicine resistance (tolerance) degree of the bacteriostat applied strawberry with white leaf spot is low; and the preparation method of the bacteriostat has the advantages of simple steps and easily available raw materials.

Description

technical field [0001] The invention relates to a bacteriostatic agent, in particular to a bacteriostatic agent for preventing and treating strawberry snake eye disease and its preparation method and application. Background technique [0002] Strawberry snake eye disease is caused by the infection of the fungus Ramularia tulasnei (R.fragariae Peck). The sexual stage of the fungus is Ascomycota. Coelomyces Mycosphaerella fragariae (Tul) Lindau. The fungus survives the winter with mycelium or conidia on the lesion, and some can produce sclerotia or asthecia to survive the winter. In the spring of the following year, conidia or ascospores will be transmitted through the air and infected for the first time, and then the diseased part will produce conidia for reinfection. Sclerotia on diseased seedlings and surface soil are the main disseminators. The germs like a humid environment, and the optimum temperature for the germs is 18-22°C, and temperatures below 7°C or above 23°C ...

Claims

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Application Information

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IPC IPC(8): A01N65/40A01P3/00A01N63/02A01N59/20A01N57/12A01N55/02
Inventor 程想娣
Owner ANHUI HEZHONG AGRI SCI & TECH
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