YEILD AND ITS COMPINENTS IN SEVERAL CULTIVARS OF WHEAT AFFECTED BY WEED CONTROL UNDER SPRINGOLAR IRRGATION SYSTEM

	YEILD AND ITS COMPINENTS IN SEVERAL CULTIVARS OF WHEAT AFFECTED BY WEED CONTROL UNDER SPRINGOLAR IRRGATION SYSTEM
journal of kerbala university
Article 1, Volume 10, Issue 0, 2014, Pages 24-29 PDF (0 K)
Abstract
A field study was conducted during winter season in 2012-2013 at Field Crop Department- Agriculture College - Kerbala University, to evaluate the yield and its components in several variety of wheat effected by weed control under spring irrigation system. The experiment was laid out in R.C.B.D with split plot arrangement with 3 replicates. The main plots included eight variety of wheat (TAHADI, BHUTH 22,ISHUR, FATIH, RASHEED, SABAH, SHAM6 and IPA99) while the subplots included tow weed control treatments (use chevalier herbicide 300 gm.ha-1 and control treatment ). Data recorded were weed density per 1m2 , number of seeds per spike , weight of 1000 grain and grain yield (tn. ha-1 ). Results showed a significant effect of Cultivar, the cultivar tahadi showed greater effect than other cultivar ,and caused least weed density 16.0 plant.m-2 compared with ishur cultivar recorded heightest weed density 48.0 plant .m-2 . The cultivar ishur was gaved heighest number of grain per spike 50.6 grain, and the cultivar faith was record heightest yield grain 6.34 tn.ha-1.the chevalier herbicide treatment was reduced weed density 8.4 plant.m-2 and heightest number of grain per spike50.7grain and yield grain 5.68 tn.ha-1 as compared with control treatment its recorded 48.4 plant ,42.1 grain and 5.06 tn .ha-1 respectively. Interaction between wheat cultivars and weed control treatment was significant in weed density, number of grain per spike, weight of 1000 grain( gm) and grain yield (tn. ha-1 ).

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