DOI: /10.5513/JCEA01/14.4.1386

Original scientific paper

SUGARCANE BAGASSE: A NOVEL SUBSTRATE FOR MASS MULTIPLICATION OF FUNNELIFORMIS MOSSEAE WITH ONION AS HOST

2013, 14 (4)   p. 1519-1528

Anju Tanwar, Ashok Aggarwal

Abstract

A pot experiment was conducted to test the influence of sugarcane bagasse (fibrous waste left over by recovery of sugarcane juice) as a substrate for the inoculum production of Funneliformis mosseae which was recorded in terms of root colonization, spore number and colonization pattern. Their effect on growth performance of onion was also recorded in terms of increase in plant height, above ground fresh and dry weight, root length, root fresh and dry weight. The experiment is a 3×4 factorial design employing three forms of bagasse (fresh, dry and compost) and their four different concentrations (without substrate, 25 g/pot, 50 g/pot and 100 g/pot). The results showed that the positive influence of compost bagasse, which promoted higher root colonization and sporulation, followed by dry and fresh bagasse. Maximum spores, vesicles, arbuscules and 100 per cent colonized roots were detected in plants supplemented with 25 g compost bagasse. This treatment also influences significant increase in plant growth. Although, increasing substrate concentration proved stimulatory to AM fungus as well as onion plant growth but highest concentration (100 g) proved inhibitory. Hence, compost bagasse can be exploited for the multiplication of F. mosseae by farmers as it is a cost effective method of production.

Keywords

allium cepa, arbuscular mycorrhizal fungi, compost bagasse, funneliformis

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