بانک مقالات

Beauveria bassiana و Metarhizium anisopliae به صورت اندوفیتی ریشه های کاساوا را پس از تلقیح خاک کلونیزه می کنند

Beauveria bassiana and Metarhizium anisopliae endophytically colonize cassava roots following soil drench inoculation

سال انتشار : 2016

تعداد صفحه : 9

کلیدواژه ها: Beauveria, Cassava, Endophyte, Fungal entomopathogen, Metarhizium

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ABSTRACT

We investigated the fungal entomopathogens Beauveria bassiana and Metarhizium anisopliae to determine if endophytic colonization could be achieved in cassava. An inoculation method based on drenching the soil around cassava stem cuttings using conidial suspensions resulted in endophytic colonization of cassava roots by both entomopathogens, though neither was found in the leaves or stems of the treated cassava plants. Both fungal entomopathogens were detected more often in the proximal end of the root than in the distal end. Colonization levels of B. bassiana were higher when plants were sampled at 7–9 days post-inoculation (84%) compared to 47–49 days post-inoculation (40%). In contrast, the colonization levels of M. anisopliae remained constant from 7–9 days post-inoculation (80%) to 47–49 days postinoculation (80%), which suggests M. anisopliae is better able to persist in the soil, or as an endophyte in cassava roots over time. Differences in colonization success and plant growth were found among the fungal entomopathogen treatments.

زبان فایل

مجلات و ژورنال های بین المللی

Elsevier

ترجمه

نوع فایل

رایگان

سال انتشار

2016

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