Method for controlling pearl plum anthracnose

An anthracnose and pearl technology, which is applied in the fields of botanical equipment and methods, chemicals for biological control, animal repellents, etc., can solve problems such as no related reports on anthracnose research, and reduce the cost of pesticides. , the effect of improving drug efficacy and delaying the development of resistance

Inactive Publication Date: 2018-04-13
王鲁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, there is no relevant report on the application of the preparation of difenoconazole and astragalus polysaccharide in the research of anthrax

Method used

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  • Method for controlling pearl plum anthracnose
  • Method for controlling pearl plum anthracnose
  • Method for controlling pearl plum anthracnose

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: Indoor Toxicity Determination of Difenoconazole, Astragalus Polysaccharide and Their Mixture on Pearl Plum Anthracnose

[0018] Test object: Pearl plum anthracnose, half-known fungus Anthracnose genus Calletotrichum gloesporioides

[0019] Test method: Mycelia growth rate method was adopted. Take 5ml of the prepared experimental reagent and add it to an Erlenmeyer flask containing 45ml of hot medium (PDA medium, 45-50°C). After shaking well, quickly pour it into a 90mm diameter glass petri dish, and pour each 12ml of drug-containing medium, 4 replicates for each treatment, placed horizontally, and formed a plate after cooling. Use a 5mm diameter punch to cut the fungus cake from the edge of the test bacteria that has been cultured for 5 days, and use a pick needle to connect the side with mycelium to the poisonous medium. All operations are performed aseptically on the ultra-clean workbench. After the treatment, the plates were cultured in a constant temper...

Embodiment 2

[0034] Example 2: 6.0% difenoconazole · astragalus polysaccharide suspension

[0035] Formula: Weigh 5.0% difenoconazole, 1.0% astragalus polysaccharide, 2.5% alkylnaphthyl sulfonate (wetting agent), 1.5% polycarboxylate (dispersant), 0.5% xanthan gum (thickener), ethylene glycol 1.2% (antifreeze), silicone oil 0.3% (defoamer), and deionized water to make up to 100%.

Embodiment 3

[0036] Example 3: 10% difenoconazole · astragalus polysaccharide suspension

[0037] Formula: Weigh 5.0% difenoconazole, 5.0% astragalus polysaccharide, 2.5% alkylnaphthyl sulfonate (wetting agent), 5% polycarboxylate (dispersant), 0.5% xanthan gum (thickener), ethylene glycol 2.5% (antifreeze), silicone oil 0.3% (defoamer), and deionized water to make up to 100%.

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Abstract

The invention relates to a method for controlling pearl plum anthracnose. According to the method, a pesticide preparation is prepared from difenoconazole and astragalus polysaccharide in a weight ratio of (1-10):1, the usage amount of the preparation is 30-50 g per mu, and 45-60 kg of water is added, and first pesticide spraying is performed in the anthracnose attack early stage; after 7 days, secondary pesticide spraying is performed according to a same process; and in the preparation, the weight percentage of the difenoconazole 5-40%, and the weight percentage of the astragalus polysaccharide is 1.0-5.0%. The method can effectively control pearl plum anthracnose and improve the yield and quality of fruits through synergistic effect.

Description

technical field [0001] The invention relates to the technical field of agricultural prevention and control, in particular to a method for preventing and controlling the anthracnose of Longtan pearl plum. Background technique [0002] Longtan Pearl Plum is a new variety of plum fruit selected from wild plums in Tian'e County, Hechi City, Guangxi. It is named Pearl Plum because the fruit bears dense fruit and is quite high-yield. It hangs on the branches and resembles a string of pearls. Longtan pearl plums are suitable for planting at high altitudes above 500 meters. The flesh is crisp and clear, and the flesh is free from the core. It also has the characteristics of late maturity, storage and transportation, and high sugar content. It has become one of the pillar industries of the local rural economy. [0003] In recent years, the incidence of anthracnose on the leaves of Pearl Plum has been serious, which has caused serious losses to the production of Pearl Plum. [0004] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N43/16A01P3/00
CPCA01N43/16A01N43/653
Inventor 王鲁
Owner 王鲁
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