Control of pearl millet downy mildew caused by  Sclerospora graminicola  with systemic fungicides in an artificially‐contaminated plot | Zendy

DANG J. K. | Zendy; THAKUR D. P. | Zendy; GROVER R. K. | Zendy

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Control of pearl millet downy mildew caused by Sclerospora graminicola with systemic fungicides in an artificially‐contaminated plot

Author(s) -

DANG J. K.,

THAKUR D. P.,

GROVER R. K.

Publication year - 1983

Publication title -

annals of applied biology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.677

H-Index - 80

eISSN - 1744-7348

pISSN - 0003-4746

DOI - 10.1111/j.1744-7348.1983.tb02669.x

Subject(s) - metalaxyl , downy mildew , fungicide , biology , germination , seed treatment , agronomy , pearl , graminicola , horticulture , philosophy , theology , pathogen , immunology

SUMMARY Among four fungicides, viz. metalaxyl (two formulations), fosetyl‐Al, pro‐pamocarb and cyomaxanil tested in vitro against sporangial germination inhibition of Sclerospora graminicola , cyomaxanil was found to be most inhibitory. In an artificially contaminated plot, when used as seed treatment or foliar spray for the control of downy mildew of pearl millet, only metalaxyl was effective. Metalaxyl 25 (Ridomil) and metalaxyl 35 (Apron) seed treatments protected the pearl millet plants from downy mildew up to 30 days. As a foliar spray, metalaxyl 25 used once at 20 days or twice after 20 and 38 days of plant growth gave less disease at harvest time. Seed treatment (metalaxyl 25 or 35) followed by one metalaxyl 25 spray was found to be effective in controlling the downy mildew. These treatments improved the growth of plants and yield significantly.

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