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KMID : 0380019950100020166
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Korean Journal of Biotechnology and Bioengineering
1995 Volume.10 No. 2 p.166 ~ p.169
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Immobilization of Trichoderma harzianum ATCC 52445 into Natural Matrix
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Abstract
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Spores of Trichoderma harzianum ATCC 52445 for control of Rhizoctonia stem canker on potato were immobilized in various natural matrix, and germination rate and some rheological properties of the spore-matrix complex were investigated. Germination rate of gelatin gel-spore complex and potato starch gel-spore complex were 2.8% and 2.9%, respectively, but hardness and cohesiveness of the gelatin gel-spore complex were better than those of potato starch-spore complex. The hardness and cohesiveness were increased when the spores were immobilized in hybrid gelatin gel made by mixing several different types of natural matrix, but decreased their germination rate. Addition of corn steep liquor(1 as spore nutrient in gelatin gel-spore complex was helpful for increasing the germination rate.
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