IMPACT OF CHEMICAL HERBICIDES TO BREAD WHEAT GENOTYPES (Triticum aestivum L)

Abstract

This study was aimed to investigate effect of wheat cultivates  to herbicides. A field experiment was conducted at the Research Station of the Field Crops Department at the College of Agricultural , University of Tikrit during winter season 2017-2018. Factorial Experiment within  Randomized Complete  Block design with  three replicates were used . This  experiment contains two variables first was used the herbicide (Atlantis, Pallas, Chevalier)  and control. The second variable includes four cultivates (Al-Hashimiyah, Al-Baraka, Nor, and Door 29). The results Al-Baraka revealed that the highest plant height (75.91 cm), number of spikes (372.67 m²) and the number of shoots m² (355.41), while the cultivate Noor had the highest value,  number of grains spike^-1 (42.67) and the total grain yield (4.82) ton ha^-1. Atlantis herbicide recorded the highest number of tillers square meter^-1 (387.50) and the treatment Balas recorded the highest value in the weight of a thousand grains (40.24 g) and total grain yield (2.00 tons . ha^-1). The interaction between genotypes and pesticides produced highest grain yield (6.31) tons.ha^-1.