EFFICACY OF CARRIER MATERIALS TO FORMULATE Trichoderma harzianum BIO-FUNGICIDE IN CONTROLLING SEED..

The efficacy of three different carrier materials, namely rice bran, wheat bran, and grass pea bran, as well as their combinations with mustard oilcake (MOC), were evaluated in order to formulate a suitable Trichoderma harzianum based bio-fungicide for controlling eggplant seedling disease caused by Rhizoctonia solani in tray soil and seed bed soil under net house conditions at Bangladesh Agricultural Research Institute (BARI). The results of a series of experiments revealed that rice bran-based five combinations of carrier on T. harzianum bio-fungicides, such as (1) rice bran + wheat bran, (2) rice bran + mustard oilcake (MOC), (3) rice bran + grass pea bran, (4) rice bran + wheat bran + MOC, and (5) rice bran + grass pea bran + MOC, were effective in controlling the soil-borne seedling disease of eggplant in tray and seed In addition, in R. solani sick seed bed conditions, various combinations of carrier material based T. harzianum bio-fungicides greatly improved the vegetative growth of eggplant seedlings, including shoot length, shoot weight, root length, and root weight.

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