辣椒菌核病的生物治理

Q4 Agricultural and Biological Sciences

Indian Journal of Horticulture Pub Date : 2023-03-27 DOI:10.58993/ijh/2023.80.1.15

D. Mandal, R. Pal, A. Mohanty

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引用次数: 0

摘要

辣椒菌核腐病是由菌核菌引起的最具破坏性的土传病害之一，严重影响辣椒的成功栽培。本研究对2019- 2020和2020-21季辣椒菌核病的生物治理进行了实地调查。结果表明，各模块均能有效降低该病的发病率。在生物处理模块中，与未处理的对照相比，绿衣霉+荧光假单胞菌10.0 g/kg的种子处理和绿衣霉+荧光假单胞菌2.5kg/ha的土壤施用以及印楝饼5 q/ha的土壤施用+绿衣霉和荧光假单胞菌10 g/l的水淋，每隔10天，从30天开始，每隔2次，最有效地降低了56.2%的发病率，提高了66.7%的果实产量。在株高和叶片数方面，该处理对植物生长的促进作用最大，B:C比值最高，达到2.26。

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Biological management of Sclerotium rot of chilli

Sclerotium rot of chilli caused by Sclerotium rolfsii is one of the most devastating soil-borne diseases whichposes a problem for the successful cultivation of the crop. The present field investigation was carried out forthe biological management of Sclerotium rot of chilli during rabi seasons of 2019-20 and 2020-21. It was foundthat all the modules were effective to reduce the incidence of the disease. Among the biological modules, seedtreatment with T. viride + P. fluorescens @ 10.0 g/kg of seed and soil application of T. viride and P. fluorescens @2.5kg/ha and soil application of neem cake @ 5 q/ha + drenching with T. viride and P. fluorescens @10 g/l of watereach twice at 10 days interval starting from 30 DAT was most effective in reducing the incidence of the diseaseby 56.2% and increasing the fruit yield by 66.7% in comparison to untreated control. The treatment also improvedsoil microbial status and achieved the highest plant growth promotion in terms of plant height and leaf numberand maximum B:C ratio of 2.26.

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