Article 3: EFFECT OF ASPERGILLUS SPP ON THE GERMINATION AND SEEDLING VIGOUR OF GROUNDNUT (ARACHIS HYPOGAEA L.) AND THEIR MANAGEMENT WITH HEAT STERILIZED GARLIC EXTRACT (Vol. 1, Iss. 2; pp. 103-111)

Ekhuemelo, C. and Awodi, J.A.

EFFECT OF ASPERGILLUS SPP ON THE GERMINATION AND SEEDLING VIGOUR OF GROUNDNUT (ARACHIS HYPOGAEA L.) AND THEIR MANAGEMENT WITH HEAT STERILIZED GARLIC EXTRACT

           

*Ekhuemelo, C.1 and Awodi, J.A.2

1&2Department of Crop and Environmental Protection, Federal University of Agriculture, P.M.B. 2373, Makurdi, Benue State, Nigeria.

⃰Corresponding author: chiekhuemelo@gmail.com  

 

A R T I C L E  I N F O

Article Type: Research

Received: 15, Oct. 2018.

Accepted: 27, Oct. 2018.

Published: 27, Oct. 2018.

 

 

A B S T R A C T

The study investigated the effect of seedborne fungi Aspergillus flavus and A. niger on the germination and seedling vigour of groundnut. The effect of heat sterilization on the efficacy of garlic extract in the management of the radial growth and sporulation of the two fungi was also assessed. Each experiment was arranged in a completely randomized design and replicated three times.  Results showed that the combination of both fungi produced significantly (p˂ 0.05 %) lower germination percentage of 61.70% compared with the un-inoculated control and the germination percentage of the particular fungus. Seedling length of groundnut seedlings inoculated separately with A. flavus and A. niger were not significantly different at 4 and 6 days after planting (DAP) compared with the un-inoculated control.  The combination of the two fungi significantly reduced the seedling length of groundnut at 4 and 6 DAP. The groundnut seedlings separately inoculated with A. flavus and A. niger had seedling vigour index of 1.56 and 1.38 respectively. Garlic extract significantly (p˂ 0.05 %) reduced radial growth of A. niger and A. flavus at 4 days after inoculation but had no significant effect (p˃0.05) on the sporulation of the two fungi.

 

Keywords:

Groundnut, germination, Aspergillus spp, radial growth.

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