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Aerial microbial load in Aashew garden and their role in inflorescence blight and fruit rot

机译:Aashew花园中的空气微生物负荷及其在花序枯萎和果实腐烂中的作用

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摘要

Aerial fungal load in cashew plantation ranged from 22.5 -36.08 colonies per Petri plate during the flowering and fruit phase of cashew. The pathogenic fungi consistently observed in the cashew plantations of Kasaragod district are Botryodiplodia, Colletorichum and Aspergillus. Of these, Botryodiplodia was found to be dominant species. About 50 per cent of the fungal flora of the cashew plantation are Botryodiplodia. Sample survey of diseased plantations revealed that about 84.6 percent of the samples affected with fruit rot and inflorescence blight is associated with the pathogen Botryodiplodia. Fungal pathogen can be the primary cause of inflorescence blight and fruit rot in cashew under favourable weather conditions. The extent of damage on tender nuts due to fungal pathogens is estimated to be up to 72.7 percent.
机译:在腰果的花期和果实期,腰果种植园的空中真菌负荷范围为每个陪替氏培养皿22.5 -36.08个菌落。在Kasaragod地区的腰果种植园中始终观察到的致病真菌是葡萄孢菌,Colletorichum和曲霉。其中,Botryodiplodia被发现是优势种。腰果种植园中约有50%的真菌是葡萄孢菌。对患病种植园的样品调查显示,约有84.6%的受果腐和花序枯萎病影响的样品与病原体灰霉病有关。在有利的天气条件下,真菌病原体可能是腰果花序枯萎和果实腐烂的主要原因。真菌病原体对嫩坚果的损害程度估计高达72.7%。

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