Drug for controlling rust disease of populus euphratica and preparation method of drug

A technology of medicine and rust, which is applied in the field of medicine for preventing and treating Populus euphratica rust and its preparation, can solve the problems of inconspicuous control effect, incomplete display of medicine effect, and many times of spraying, so as to improve the ability to infect rust and improve the quality of Populus euphratica. Growth potential, obvious effect of use

Active Publication Date: 2015-07-29
刘志虎
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large dosage, frequent spraying and poor effect, it has been discontinued
[0007] For many years, people have often used triadimefon (Fenxiu Ning) for prevention and treatment, and in recent years, a new drug pentaconazole (Likexiu) has been used for prevention and treatment. Although it is effective, it is sometimes not obvious, especially when the best prevention period is missed. not obvious
The main reason why Populus euphratica rust is difficult to control is that the growth of Populus euphratica is weak and susceptible to rust. Triadimefon and pentaconazole are not easily soluble in water, so the efficacy of the drugs is not fully exerted, and the control efficiency is relatively low.

Method used

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  • Drug for controlling rust disease of populus euphratica and preparation method of drug
  • Drug for controlling rust disease of populus euphratica and preparation method of drug

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The concrete steps of the preparation method of the medicine of preventing and treating Populus euphratica rust of the present invention are as follows:

[0025] At the end of May, take 5kg red willow leaves and stems as an example. Take red willow leaves and tender stems, rinse off impurities such as sand and soil in clean water, take 5kg and put them in a large pot (preferably a casserole) and add 100kg of water, the ratio of the two is 1:20, mark at the water line of the pot, and then Add 25kg of water according to the amount of 1:5, and boil it. After the water is boiled, boil it over a slow fire until the water line is close to the mark and stop the fire. Place it in a cool place with a temperature of about 20 degrees for about 6 hours, remove impurities, and clarify for subsequent use. At this time, the color of the boiled water is light brown, and the pH is about 6.5. When used, add 66.7 g of 15% wettable powder triadimefon to the clarified liquid at a concentra...

Embodiment 2

[0027] The concrete steps of the preparation method of the medicine of preventing and treating Populus euphratica rust of the present invention are as follows:

[0028] At the end of May, the method of boiling red willow and adding urea was the same as in Example 1, adding 33.5 g of 25% tebuconazole to the clarified liquid at a concentration of 3000 times and stirring evenly. At this point, you can spray to kill the rust, and the amount of spraying is the degree of dripping from the tree body. Spray once every half month, 3 times in a row. After mid-August, only sporadic leaves of Populus euphratica seedlings have scattered punctate rust spots, and the effect is excellent.

Embodiment 3

[0030] The concrete steps of the preparation method of the medicine of preventing and treating Populus euphratica rust of the present invention are as follows:

[0031] In mid-August, take 5kg red willow leaves and stems as an example. Take red willow leaves and tender stems, rinse off impurities such as sand and soil in clean water, take 5kg and put them in a large pot (preferably a casserole) and add 150kg of water, the ratio of the two is 1:30, mark at the water line of the pot, and then Add 25kg of water according to the amount of 1:5, and boil it. After the water is boiled, boil it over a slow fire until the water line is close to the mark and stop the fire. Place it in a cool place with a temperature of about 20 degrees for about 6 hours, remove impurities, and clarify for subsequent use. At this time, the color of the boiled water is light brown, and the pH is about 6.5. When in use, add 75 g of 15% wettable powder triadimefon to the clarified liquid at a concentration...

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Abstract

The invention discloses a drug for controlling a rust disease of populus euphratica and a preparation method of the drug. The drug comprises red willow leaves and/or immature stems, triadimefon or tebuconazole, urea and water. The use efficacy of triadimefon or tebuconazole is improved by the aid of a cosolvent, meanwhile, the capability of the populus euphratica for relieving infection of the rust disease is improved, and the growth potential of the populus euphratica is promoted. The red willows are naturally not infected with the rust disease, so that an environment unfavorable to the rust disease can be formed; meanwhile, soup cooked with the red willow leaves and/or immature stems is slightly acidic, and dissolving of triadimefon or tebuconazole can be facilitated; the urea can supply nutrition to the populus euphratica, and the growth potential of the populus euphratica is promoted. Therefore, the soup cooked with the red willow leaves and/or immature stems is mixed with 15% triadimefon wettable powder and 25% pentazole wettable powder, the mixture is mixed with the urea and sprayed to the populus euphratica, and the rust disease of the populus euphratica can be controlled. Material resources are environment-friendly, the preparation is simple, the use effect is remarkable, and no phytotoxicity is generated.

Description

technical field [0001] The invention relates to the technical field of tree disease prevention and control, in particular to a medicine for preventing and treating Populus euphratica rust and a preparation method thereof. Background technique [0002] Populus euphratica rust is one of the important diseases of young Populus euphratica forests and seedlings. Because Populus euphratica currently uses seeds to raise seedlings, the seeds are collected in the same year and immediately sowed. The seedlings encounter uredia spores on the big trees as soon as the true leaves emerge, and the disease is serious. According to the survey of forest farms of the 29th regiment in Korla, Xinjiang, the incidence rate of annual seedlings reached 100% in October of that year, 30% of the seedlings died in the same year, and 20% to 69.6% of the seedlings died after overwintering. In 1991, the morbidity rate of Populus euphratica saplings in the introduction area of ​​Shapotou Desert Research Sta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/08A01P3/00A01N43/653
Inventor 刘志虎徐永瑞
Owner 刘志虎
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