PJB-2015-12
INFLUENCE OF SOWING DATES ON PHENOLOGICAL DEVELOPMENT AND YIELD OF DUAL PURPOSE WHEAT CULTIVARS
FAZAL MUNSIF1*, MUHAMMAD ARIF1, M.T. JAN1, KAWSAR ALI1 AND M.J. KHAN2
DOI:
Dual-purpose wheat is getting recognition among community in diverse farming systems. Success of the system depends on management decisions regarding appropriate sowing dates, choice of cultivars, harvesting time and stage. A comprehensive understanding of how these factors influence the growth and phenology of dual purpose wheat is needed for comparison of grain only wheat to dual purpose system to feed the ever increasing population under this system. The existing higher yielding varieties (Saleem-2000, Bathoor-2007, Fakhre Sarhad-99, Uqab-2000, Siran-2008, and Ghaznavi-98) of wheat were sown on various planting dates from early to normal (15th, 30th October and 14th November) and were given cut after 70 days of sowing. The experiment was arranged in randomized complete block design having split plot arrangement with three replications. Results of the study indicated that booting, heading and physiological maturity were significantly influenced by planting dates, among the cultivars and cutting imposed 70 days after sowing. Mid October sowing prolonged booting, heading, anthesis, maturity and had long stature plants and higher grain yield than sowing in mid November. Uqab-2000 booted, headed and reached to anthesis and maturity earlier followed by Ghaznavi-98, Bathoor-2007 and Saleem-2000. Uqab-2000 and Siran-2008 had higher grain yield than other cultivars. Booting, heading, anthesis and maturity were significantly delayed in cutting as compared to no cut plots. Wheat varieties Bathoor-2007, Uqab-2000 and Fakhre Sarhad-99 produced taller plants compared to Saleem-2000. It is concluded that early sowing on mid October had prolonged phenological traits and higher yield of wheat with long stature plants than later sowing (15th November) and variety Fakhre Sarhad-99 unlike Uqab-2000 was late with respect to phenological development. Cutting prior to stem elongation had not delayed the maturity from three days without substantial yield reduction which revealed that wheat can be used as dual purpose crop having valuable additional fodder supply costing no or least reduction in grain yield to fill the fodder gap in the scarcity fodder months on irrigated tracts of Pakistan.
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