阅读说明：本技术 一种防治三七花蕾采摘后灰霉病的方法 (Method for preventing and treating gray mold of picked pseudo-ginseng flower buds ) 是由 张强皓 陈军文 张金燕 寸竹 双升普 葛娜 于 2019-10-25 设计创作，主要内容包括：本发明涉及一种防治三七花蕾采摘后灰霉病的方法,属于植物病害防控领域。包括以下步骤(1)在花梗组织嫩时,用消毒后的采花工具采摘,采下的花梗为1.5-2cm；(2)采花后,喷施杀菌剂两次,所述杀菌剂为适乐时、嘧霉胺、灰霉速净或四霉素。三七花蕾采摘后紧接着喷施1-2次防控灰霉的药物,防止灰霉病原菌从采花伤口处侵染,该方法简洁有效,成本较低,三七患病率明显下降,患病率为2.5％左右。(The invention relates to a method for preventing and controlling gray mold of pseudo-ginseng after picking, belonging to the field of plant disease prevention and control. Comprises the following steps of (1) picking up the flower stalks by using a sterilized flower picking tool when the tissue of the flower stalks is tender, wherein the picked flower stalks are 1.5-2 cm; (2) and spraying a bactericide twice after picking flowers, wherein the bactericide is dulbech, pyrimethanil, griseofulvin or tetramycin. The method is simple and effective, has low cost, and obviously reduces the prevalence rate of the pseudo-ginseng, wherein the prevalence rate is about 2.5%.)

1. A method for preventing and treating gray mold of picked pseudo-ginseng buds is characterized by comprising the following steps:

(1) picking up the flower stalks by using a disinfected flower picking tool when the flower stalk tissues are tender, wherein the picked flower stalks are 1.5-2 cm;

(2) and spraying a bactericide twice after picking flowers, wherein the bactericide is dulbech, pyrimethanil, griseofulvin or tetramycin.

2. The method for preventing and treating gray mold of pseudo-ginseng after bud picking as claimed in claim 1, wherein the method comprises the following steps: and in sunny days, the plants of the panax notoginseng are picked without water, so that rainy days are avoided when the flowers are picked, and a large amount of water is prevented from being left on the plants to pick the flowers after raining.

3. The method for preventing and treating gray mold of pseudo-ginseng after bud picking as claimed in claim 2, wherein the method comprises the following steps: the Notoginseng plant comprises Notoginseng flower and Notoginseng leaf.

4. The method for preventing and treating gray mold of pseudo-ginseng after bud picking as claimed in claim 1, wherein the method comprises the following steps: the flower picking tool is scissors.

5. The method for preventing and treating gray mold of pseudo-ginseng after bud picking as claimed in claim 1, wherein the method comprises the following steps: the disinfection method of the flower picking tool in the step (1) is to completely soak the scissors in 75 percent of alcohol for disinfection.

6. The method for preventing and treating gray mold of pseudo-ginseng after bud picking as claimed in claim 5, wherein the method comprises the following steps: the time for sterilization is at least 10 min.

7. The method for preventing and treating gray mold of pseudo-ginseng after bud picking as claimed in claim 1, wherein the method comprises the following steps: the interval time for spraying the bactericide in the step (2) is 5-7 days.

8. The method for preventing and treating gray mold of pseudo-ginseng after bud picking as claimed in claim 1, wherein the method comprises the following steps: the concentration of the propamocarb is 500 times that of 300-fold liquid, the concentration of the pyrimethanil is 1200 times that of 800-fold liquid, the concentration of the griseofulvin is 600 times that of 600-fold liquid, and the concentration of the tetramycin is 1200 times that of 800-fold liquid.

9. The method for preventing and treating gray mold of pseudo-ginseng after bud picking according to any one of claims 1 to 8, wherein the method comprises the following steps: after the method is used for picking flowers, the prevalence rate is not higher than 2.5%.

Technical Field

The invention relates to the field of plant disease prevention and control, in particular to a method for preventing and controlling gray mold of pseudo-ginseng after picking flower buds.

Background

Botrytis cinerea (also called Botrytis cinerea) is caused by Botrytis cinerea (also called Botrytis cinerea) in ascomycete subgenus, and is a common fungal disease which is difficult to control; the botrytis cinerea can cause harm to stems, leaves, flowers and fruits of crops, especially serious harm to fruits, influences the yield and quality of the fruits and causes great economic loss.

The chemical prevention and control is the most widely applied method for preventing and controlling gray mold, the killing effect is obvious, the operation is simple, and the currently commonly used chemical agents mainly comprise pyrimidinamines, pyrroles and amides bactericides. But the long-term use of the chemical agent leads the drug resistance of the botrytis cinerea to be continuously enhanced, thus leading the prevention and treatment effect to be greatly reduced; in addition, the bactericides are extremely toxic medicaments, so that a large amount of residual toxic substances in the crops are extremely easy to remain, the residual toxic substances in the fruits and the vegetables exceed the standard, and the long-term consumption of the bactericides can cause great harm to human bodies; on the other hand, a large amount of chemicals are accumulated in the soil, which causes the change of the soil texture and brings great harm pressure to the ecological environment.

Notoginseng (Panax notoginseng (Burk.) f.h.chen) is a plant of the family araliaceae. Mainly produced in Yunnan Wenshan, has sweet and bitter taste and warm nature, and has the effects of stopping bleeding, relieving pain, promoting blood circulation and removing blood stasis. Notoginseng flower is the highest part of notoginseng saponin content in whole plant of notoginseng, has sweet and cool nature and taste, has the efficacies of clearing heat, calming liver and reducing blood pressure, is suitable for diseases such as dizziness, blurred vision, tinnitus, hypertension, acute pharyngolaryngitis and the like, can be made into tea, fried meat, soup and the like, and also has certain efficacy in sleeping. The risk of wound germ infection is often accompanied after the flowers are picked, the plants are easy to die due to gray mold, the incidence of diseases in the area is increased, and the yield is reduced. Therefore, the method for effectively preventing and controlling the gray mold of the picked pseudo-ginseng buds is very favorable for effectively picking the pseudo-ginseng flowers.

Disclosure of Invention

In order to solve the problems, the invention aims to provide a method for preventing and treating gray mold of pseudo-ginseng after picking flower buds.

In order to achieve the above purpose, the technical scheme of the invention is as follows: a method for preventing and treating gray mold of picked pseudo-ginseng buds comprises the following steps:

(1) when the tissue of the pedicel is tender, the pedicel is picked by a disinfected flower picking tool, the picked pedicel is 1.5-2cm, the distance of the pedicel is short, the tissue is tender, the rapid scabbing of the pedicel of the pseudo-ginseng is facilitated, a protective film is formed to isolate germs, and the selling of the pseudo-ginseng flower on the market is facilitated;

(2) spraying a bactericide twice after picking flowers, wherein the bactericide is dulbeck, pyrimethanil, griseofulvin or tetramycin; after the pseudo-ginseng flowers are adopted, wounds are caused at pedicel positions, and the purpose of spraying the bactericide is to ensure that no germs or few germs exist in the scabbing process, the disease resistance of pseudo-ginseng plants is extremely weak, and pseudo-ginseng is easily killed due to diseases if the pedicel positions are infected with germs.

Furthermore, the plants of the panax notoginseng are picked in sunny days without water, so that rainy days are avoided when the flowers are picked, and the plants are prevented from picking the flowers with a large amount of water in rainy days.

Further, the notoginseng plant includes notoginseng flower and notoginseng leaf.

Further, the flower picking tool is scissors.

Further, the disinfection method of the flower picking tool in the step (1) is to completely soak the scissors in 75% alcohol for disinfection.

Further, the time for sterilization is at least 10 min.

Further, the interval time of spraying the bactericide in the step (2) is 5-7 days.

Further, the concentration of the propachromycin during the application is 500 times that of the 300-fold liquid, the concentration of the pyrimethanil is 1200 times that of the 800-fold liquid, the concentration of the griseofulvin is 600 times that of the 600-fold liquid, and the concentration of the tetramycin is 1200 times that of the 800-fold liquid.

Furthermore, after the flower picking, the prevalence rate is 2%.

Compared with the prior art, the invention has the beneficial effects that: the method is simple and effective, the cost is low, the prevalence rate of the pseudo-ginseng is obviously reduced, and the prevalence rate is about 2.5%.

Drawings

FIG. 1 shows the prevalence of Panax notoginseng under different conditions; A. applying the pesticide after the flower stalks are picked in a tender and sunny day; B. the application of the pesticide is not carried out after the flower stalks are picked in a tender and sunny day; C. applying the pesticide after the pedicel lignification in sunny days; D. the application of the medicine is not carried out after the flower stalks are young and tender and picked in rainy days (n is 5).

Detailed Description

The technical solution of the present invention will be further described with reference to the accompanying drawings and specific embodiments.