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Friday, 23 October 2015

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Studies on certain aspects of root surface fungi. III. Effect of Harvesting

The effect of harvesting of above ground part on the succession of fungi on crown, middle and distal regions of decomposing roots of Pennisetum typhoides (Burm f.) Stapf et Hubb. was investigated for a period of six months (January to June 1971). The number of fungal species was generally lower in harvested plants than in standing plants whereas the fungal population exhibited reverse trend. The amino acids, sugars, cellulose, hemicellulose and lignin components of the root in different vertical regions were assessed and a correlation was established between the above factors and fungal succession in the two sets of plants. It was also noticed that roots in all the depths decomposed earlier than the set where aerial parts left intact and no phytotoxin were detected in the harvested set against standing one where vanilic acid and 3-4 dihydroxybenzoic acids were chromatogrammed during March to April. The pH and moisture content exhibited with the fungal succession. Deuteromycetes along with few Phycomycetes in the beginning, Deuteromycetes with few Ascomycetes in the second phase and Deuteromycetes along with Mycelia sterilia in the third phase were isolated. (Full paper at Slideshare.net)

Cited this as- Kanaujia R.S. (1982): Studies on certain aspects of root surface fungi. III. Effect of Harvesting. ACTA MYCOLOGICA. XVIII (1): 45-60.


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