Ecology, Environment and Conservation Paper

Vol.12, Issue 4, 2006; Page No.(715-716)

RESPONSE OF SORGHUM GENOTYPES FOR SOWING TIME IN EARLY SUMMER SEASON

B.T. Shete H.M.Patil, P.T. Kolekar and S.S. llhe

Abstract

A field experiment was conducted at the Sorghum Improvement Project, MPKV, Rahuri during summer season 2002-03 under irrigated condition. The soil condition of the experimental plot was clayey in nature, medium in available nitrogen, low in available phosphorus and rich in available potassium. In main plot treatments, three sowing dates viz., 16 Dec., 2002 (D1), 3 Jan. 2003 (D,) and 17" Jan. 2003 (D) and six sub-plot treatments of sorghum genotypes viz., CSH-15 R (G1), CSH-19R (G2), CSV-216R (G,), M-35- 1 (G4), CSH-14 (G3), CSH-16 (G6). Eighteen treatment combinations were tried in a split plot design with four replications. The plant height at harvest observed significantly superior in the treatment sowing of jowar at 16 Dec. 2002 D1 i.e. (137.62 cm) over treatment D, and D. Dry matter also found significantly superior in this treatment at all growth stages. Genotype CSV-216R was recorded significantly more dry matter at 60, 90 and at harvest (28.66, 85.64, 113.96 gm per plant) respectively. But grain yield in treatment 161h Dec. 2002 (D1) and genotype CSH-15R (G) was found better to produce maximum grain yield.

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