بررسي خصوصيات كمي و كيفي عملكرد ژنوتيپ هاي گندم ديم تحت شرايط آبياري تكميلي

Study on yield quantitative and qualitative characteristics of dryland wheat genotypes under supplemental irrigation conditions

In order to evaluate the response of six dryland wheat genotypes under supplemental irrigation conditions, an experiment was carried out during 1998 - 99 cropping season (year) at Ghamloo Research Station in Kurdistan Provience. A split plot design experiment using randomised complete block in which five irrigation treatments as main plots and six dryland wheat genotypes as subplots with four replications was used. Results showed that a significant positive correlation between grain yield and number of ears per square meter was found (r=0.526 ʹ). Among wheat genotypes Sabalan cultivar over all irrigation treatments produced an average yield of 2213 kg ha-1 which was the highest and Sardari produced an average yield of 1502 kg ha- which was the lowest. The highest protein concentration belonged to Sxl/Gelenson under check treatment (15.81%) and the lowest belonged to Kvz/Tm 71/3/Moya "S"Bb wheat genotype (12.23%) under supplemental irrigation at planting plus milking stages. In general; supplemental irrigation at milking stage increased 54 percent of grain yield in Sabalan (compared to check) and produced the highest yield.