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首页> 外文会议>第四届国际板栗大会（Proceedings of Fourth International Chestnut Symposium) >Preliminary Studies on Pathogenic Fungi of Chestnut Fruit Rot and Its Control
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Preliminary Studies on Pathogenic Fungi of Chestnut Fruit Rot and Its Control

机译：板栗果实腐烂病原真菌及其防治的初步研究

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摘要

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：本研究报道了板栗果实腐烂的真菌病原菌及防治措施。从腐烂的坚果和无症状的坚果中分离出四十五种不同的真菌。根据培养表型，鉴定出34个菌株为13个属，即金黄色葡萄球菌属，艾氏菌属属，Phoma菌属，青霉菌属，毛癣菌属，镰刀菌属，Rhizoctonia sp。，Mucor sp。，拟杆菌属，镰刀菌属，炭疽菌属，葡萄孢属。和根霉。其中，链格孢属，毛癣菌，镰刀菌和镰刀菌的分离率均高于其他菌株。接种试验表明，链格孢属（Alternaria sp。），镰刀菌属（Fusarium sp。）。和Fusicoccum sp。只能感染栗子和Trichothecium sp。的受伤种子。为了控制果实腐烂，可以同时感染受伤和未受伤的栗子种子，在田间进行了四种收获前的收获后处理和三种避免病原体感染的防护措施。结果表明，所有经过测试的控制措施在一定程度上能够提高栗子贮藏过程中健康水果的比例。

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