Dravya, a product of seaweed extract (Sargassum wightii), induces resistance in cotton against Xanthomonas campestris pv.malsvacearum

Vinay, R. B. and Lokesh, S. and Prakash, H. S. (2007) Dravya, a product of seaweed extract (Sargassum wightii), induces resistance in cotton against Xanthomonas campestris pv.malsvacearum. Phytoparasitica, 35 (5). pp. 442-449. ISSN 1876-7184

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Abstract

Dravya, a commercially developed aqueous seaweed extract, was evaluated for its effect on the expression of symptoms of bacterial blight caused byXanthomonas campestris pv.malvacearum (E.F. Smith) Dye in cotton. Seed soaking with Dravya (1:500) followed by foliar spray thrice at intervals of 10 days (10, 20, 30 days after sowing) resulted in a reduction in blight incidence on plants by 66%, 70% and 74% as determined 40, 60 and 80 days, respectively, after sowing. Induction of systemic resistance was associated with increases in plant height, total number of bolls formed, boll weight, stem girth, chlorophyll content, total phenols and peroxidase activity, which intimates that Dravya could be used as an ecofriendly potential input in the integrated management of bacterial-blight of cotton.

Item Type:	Article
Subjects:	B Life Science > Biotechnology
Divisions:	Department of > Biotechnology
Depositing User:	C Swapna Library Assistant
Date Deposited:	07 Sep 2019 09:43
Last Modified:	07 Sep 2019 09:43
URI:	http://eprints.uni-mysore.ac.in/id/eprint/7766

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