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Rhizoctonia inoculum embedded in alginate: an infestation method for post-emergence damping-off in cotton


Rhizoctonia inoculum embedded in alginate: an infestation method for post-emergence damping-off in cotton



Mededelingen van de Faculteit Landbouwwetenschappen - Rijksuniversiteit Gent 56(2B): 439-442



ISSN/ISBN: 0368-9697

A technique was developed for use in evaluation of measures to control post-emergence damping-off in cotton caused by R. solani. Millet overgrown with fungal inoculum was encapsulated into beads of calcium alginate and these capsules were placed in the centre of pots containing cotton seeds. Because the time taken by the pathogen to grow towards the seeds, colonise the young tissues and cause disease symptoms was sufficient for germination and emergence of the cotton seedlings, this technique almost exclusively produced post-emergence damping-off and enabled exact standardization, safe and easy handling, and long-term storage (up to at least 3 months) of the inoculum. This paper was presented at the 43rd International Symposium on Crop Protection held in Ghent, Belgium on 7 May 1991.

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Accession: 002212148

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Related references

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