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Development of strategies for disease management of strawberry anthracnose -application of microbial pesticides
|作者:||黃姿碧, 曾德賜||關鍵字:||應用研究;disease managment;植物保護類;病害管理;草莓炭疽病;微生物生物製劑;農藥消退;strawberry anthracnose;microbial pesticides;degredation of pesticides||摘要:||
Anthracnose fungi can survive on strawberry plants and in soils all the year round. It infects fruits, stolons, leaves and crowns of strawberry plants. Strawberry anthracnose occurs frequently after one to one and a half month of transplanting or during high temperature and humidity weather and results in high death rate of plants. The disease severely impacts the strawberry nurseries and greatly reduces yields and quality of strawberry in Taiwan and worldwide. There are only limited kinds of chemical pesticides suggested for control of strawberry anthracnose in Taiwan. The recommended pesticides include thiabendazole +oxine-copper, difenoconazole, and pyraclostrobin. While no microbial pesticides are available. To resolve the problem of frequent use of chemical pesticides in strawberry cultivation, and to develop safe and effective strategies for this disease management, the microbes that antagonize against anthracnose fungi of strawberry will be isolated from plant potting mixes and rhizosphere soils in Taiwan. The isolates with superior antagonistic activity will be subjected to biopesticide development. The microbial pesticides will be assessed for their efficacy in reducing disease incidence of strawberry anthracnose in the greenhouse and in the field. In addition, the effect on degredation of chemical pescicides residue by application of microbial pesticides will be determined. Information gained from this study will provide strategies by using biocontrol agents in disease management of strawberry anthracnose and in microbial degredation and reducing chemical pesticides residue in plants.
|Appears in Collections:||生命科學系所|
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