CHEMICAL CONTROL OF ASCOCHYTA BLIGHT OF CHICKPEA
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Authors
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GURDIP SINGH AND MANINDER SINGH
Department of Plant Breeding, Punjab Agriwltural University, Ludhiana 141 004
Keywords:
Ascochyta rabiei, Ascochyta blight, Chickpea, Cicer arietinum, Chemical controlAbstract
Primary seed-borne infection of ascochyta blight [Ascochyta rabiei (Pass.) Lab.) of chickpea (Cicer arietinum L.) can very effectively be controlled by treating the seed with fungicides. Combinations of bavistin + thiram (1 : 1, 1 : 3) 3 glkg of seed gave 95-100 per cent disease control. Bravo (6 ml), hexacap (4 g) and thiabendazole (5 g/kg of seed) completely eliminated the seed-borne infection. Rovral and hexacap (3 g/ kg of seed) gave 98 per cent disease control. Foliar sprays of bravo (1500 ml) and calixin-M (900 g/ha) were significantly superior to other fungicides in controlling the secondary infection followed by rovral (750 g) and hexacap (900 g/ha) in 300 litres of water.
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