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3 results on '"Ahmed, Oladimeji"'

1. Seed-borne fungi of soybeans (Glycine max [L.] Merr) in the guinea savannah agroecology of Nigeria

Author

Ahmed Oladimeji, Balogun Olusegun S., Fawole Oluyemisi B., Fabiyi Oluwatoyin A., Hussein Aliyu T., and Kassoum Kassoum O.

Subjects
soybean, seed-borne, mycoflora, Guinea Savannah, componentplating, Agriculture
Abstract

Seed health testing of fifteen soybean cultivars obtained from five locations in the Guinea Savannah agro-ecology of Nigeria was carried out using two main seed health testing methods described by the International Seed Testing Association (ISTA); the standard blotter and two variants of agar plate incubation method (Potato Dextrose Agar and Czapeck Dox Agar plate methods) to determine the seed infection by fungi. Seed component plating was also carried out to determine the most active site of infection of the seeds by the fungi. Five fungal species were isolated from the cultivars tested. The percentage of seeds infected with Fusarium sp. and Penicillium sp. was significantly different (p

Published
2016
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3. Pathogenicity And Cell Wall-degrading Enzyme Activities Of Some Fungal Isolates From Cowpea ( Vigna Unguiculata [L] Walp)

Author

Fawole, Oluyemisi B., Ahmed, Oladimeji, Balogun, Olusegun S., Fawole, Oluyemisi B., Ahmed, Oladimeji, and Balogun, Olusegun S.

Abstract

Nine fungal species isolated from cowpea seeds were used as inocula on four cowpea varieties commonly distributed to farmers in Ilorin, Kwara state, Nigeria by the National Seed Service, a subsidiary of the Federal Ministry of Agriculture and Natural Resources. The effects of fungi on germinability and seedling health were determined using seedling symptom test. Two of the virulent species were screened for the production of cell wall degrading enzymes using viscometric method. All the fungi reduced germination rate in all the cowpea varieties and different types of seedling symptoms were noted for the fungi. The symptoms included seed rot, chlorotic leaf development, stunted growth etc. Production of pectinases and cellulases by Aspergillus flavus and Penicillum sp. was observed and the virulence of the two organisms could be attributed to the activities of these cell wall degrading enzymes.

Published
2006

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