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Preliminary Studies on Pathogenic Fungi of Chestnut Fruit Rot and Its Control

机译:栗子果实致病真菌及其控制的初步研究

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This study is reporting about the fungal pathogens and control measures of Chinese chestnut fruit rots. Forty-five different strains of fungi were isolated from the rotten nuts and asymptomatic ones. Based on the culture phenotype, thirty-four strains were identified to be 13 genera, i.e. Aureobasidium sp., Aiternaria sp., Phoma sp., Penicillium sp., Trichothecium sp., Fusicoccum sp., Rhizoctonia sp., Mucor sp., Phomopsis sp., Fusarium sp., Colletotrichum sp., Botrytis sp. And Rhizopus sp. Among them, Alternaria, Trichothecium, Fusicoccum and Fusarium had higher isolating rate than others. The inoculation tests showed that Alternaria sp., Fusarium sp. And Fusicoccum sp. Could only infect the wounded seeds of chestnut, and Trichothecium sp. Could infect both wounded and unwounded seeds of chestnut, in order to control fruit rots, four post-harvest treatments before storage and three protective measures to avoid infection of pathogens in the field were tested. The results showed that all the tested control measures were, to some extent, able to improve the proportion of healthy fruits during the storage of chestnut.
机译:本研究报告了中国栗子水果腐烂的真菌病原体和控制措施。从腐烂的坚果和无症状中分离了四十五种不同的真菌。基于培养表型,将三十四株菌株鉴定为13个属,即Aiternaria sp。,aleernaria sp。,phoma sp.,phoma,penicillium sp。,trichothecium sp。,fusicccum sp。,rhizoctonia sp.,mucor sp。,mucor sp。,mucor sp., Phomopsis sp。,fusarium sp。,colletotrichum sp。,botrytis sp。和根唑sp。其中,alertaria,trichothecium,fusiccum和镰刀菌具有比其他速率更高的隔离率。接种试验表明Errertaria sp。,镰刀菌。和fusicoccum sp。只能感染栗子的受伤的种子,Trichothecium sp。可以感染栗子的伤口和未装配的种子,以控制水果腐烂,在储存前进行四次收获后处理和三种保护措施,以避免在该领域中感染病原体。结果表明,所有测试的控制措施都在一定程度上,能够在栗子储存期间提高健康水果的比例。

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