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Efficacy of systemic fungicide metalaxyl for the control of downy mildew (Sclerospora graminicola) of pearl millet (Pennisetum glaucum)


, : Efficacy of systemic fungicide metalaxyl for the control of downy mildew (Sclerospora graminicola) of pearl millet (Pennisetum glaucum). Indian Journal of Agricultural Sciences 60(9): 575-581

Research on the control of this disease of P. glaucum is reviewed. All the formulations of metalaxyl tested as seed treatment or foliar spray controlled downy mildew with consequent increases in grain yield. Control depended on rate of application and on varietal susceptibility, more fungicide being required on more susceptible cultivars. Metalaxyl was toxic to germination when used at >2 g a.i./kg seed, particularly with the Apron 35 SD formulation, though cultivars differed in sensitivity.

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Related references

Williams R.J.; Singh S.D., 1981: Control of pearl millet pennisetum americanum downy mildew sclerospora graminicola by seed treatment with metalaxyl. Three formulations of the systemic fungicide metalaxyl were tested in various seed treatments for the control of pearl millet downy mildew in 3 field experiments with downy mildew-susceptible pearl millet hybrid NHB-3. Uniform, high levels of spor...

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Anonymous, 2012: Incidence of Downy Mildew Sclerospora graminicola Sacc Schroet in Pearl Millet Pennisetum glaucum L RBr in Northern Madhya Pradesh. Four villages/localities of Morena district (Jigni, Dimni, Bagchini and Noorabad), two of Bhind (Mehgaon and Birkhadi) and three of Gwalior (Nagor, Mahrajpura and Utila) were free from downy mildew incidence. The maximum incidence of downy mildew...

Dang, J.; Thakur, D.1; Grover, R., 1983: Control of pearl millet downy mildew caused by Sclerospora graminicola with systemic fungicides in an artificially contaminated plot Pennisetum americanum. Annals of applied biology 102(1): 99-106

Kumar, V.U.; Hindumathi, C.K.; Kini, K.R.; Shetty, H.S., 1998: Prior inoculation inducing resistance to downy mildew (Sclerospora graminicola) enhances growth, peroxidase and beta -1,3-glucanase activity in pearl millet (Pennisetum glaucum). Pre-treatment of pearl millet seedlings with a suboptimal concentration of S. graminicola induced resistance that protected plants (62%) from subsequent infection by the optimal concentration of the pathogen. As well as offering protection, prior...

Subramanya S.; Shetty H.S.; Safeeulla K.M., 1983: Pearl millet pennisetum typhoides downy mildew sclerospora graminicola biology of systemic infection by zoospores. Zoospores (the infection units) of S. graminicola infect pearl millet plants through root, coleoptile and whorl. The plants infected through whorl region expressed the disease symptoms earlier to those infected through the root. Root infection tak...

Joshi, V.J.; Ugale, S.D., 2002: Involvement of higher order interactions addressing complex polygenetically controlled inheritance of downy mildew (Sclerospora graminicola (Sacc.) Schrot) resistance in pearl millet (Pennisetum glaucum (L.) R.Br.). Inheritance of downy mildew (Sclerospora graminicola (Sacc.) Schrot) resistance was studied using generation mean analysis in pearl millet (Pennisetum glaucum (L.) R.Br.). Eleven basic generations, namely, P1, P2, F1, F2, B1, B2, B1F2, B2F2, L1, L...

Lange L.; Olson L.W.; Safeeulla K.M., 1984: Pearl millet pennisetum typhoides downy mildew sclerospora graminicola zoo sporogenesis. Cleavage of the zoosporangial cytoplasm of S. graminicola, the causal agent of pearl millet downy mildew, is by means of the fusion of cleavage vesicles and vesicles containing the extruded axoneme with the cell membrane. This type of zoosporogene...