Seasonal variation of arbuscular mycorrhiza fungi colonization with some medicinal plant species of Chittagong BCSIR forest
2015
Halder, Milton | Karim, Rezaul | Islam, Saiful | Akhter, Samina
This study aimed to evaluate the effects of seasonality on mycorrhizal colonization characteristics as hyphal, vesicular and arbuscular colonization with some medicinal plants species of Chittagong BCSIR forest of Bangladesh. Ten highly valued medicinal plants were selected randomly from Chittagong BCSIR forest to conduct the research. Root samples were collected and examined to determine fungal colonization in three times (Dry, Rainy and Winter) during the year in 2014. The result revealed that the medicinal plants of BCSIR forest were mycorrhizal. The highest hyphal colonization was obtained during rainy season of the corresponding year but decreased during dry and winter season. Vesicular colonization was attenuated during rainy season but increased in dry and winter season but arbuscular colonization was higher proportion in rainy and winter season whereas arbuscular colonization reduced in dry season. This result indicates that AMF colonization varies seasonally as well as depending on some factors like as climate, edaphic, plant host relationship and species diversity.
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