食用向日葵新品种SK6382选育报告

Breeding Report of A New Edible Sunflower Variety SK6382

食用向日葵SK6382为甘肃省酒泉市安达种业有限责任公司以AD904R为父本,96A2为母本,选育而成的三系配套向日葵新品种。2012—2013年甘肃省多点区域试验中,SK6382折合平均产量3 867.0 kg/hm^2,较对照LD5009增产2.71%。生育期105-109 d,株高155-171 cm,茎粗2.85 cm,平均叶片数29.8片,花盘直径平均20.4cm,结实率79.4%,百粒重14.89 g,出仁率50.1%。适宜在甘肃省沿黄灌区、陇东河谷灌区、河西灌区等有效积温2 500℃以上,或河东海拔1 800 m以下山塬、旱地年降水量在450 mm以上或有补灌条件的区域种植。

SK6382 was a new edible sunflower variety bred by AD904 R as male parent,96A2 as female parent using three line in Jiuquan Anda Seed Co. Ltd. of Gansu province. In 2012 — 2013, the average yield was 3 867 kg/hm^2 and 2.71% higher than of the check LD5009 in Gansu province more regional trial. In 2013,the average yield of 3 987 kg/hm^2 and 5.5% higher than of the check LD5009 in the production test, ranking the third varieties. The results showed that Growth period was 105 - 109 days,height was 155 - 171 cm,the stem diameter was 2.85 cm,the average number of leaves was 29.8,disk diameter was 20.4 cm,seed rate was 79.4%,100 seed weight was 14.89 g,kernel rate was 50.1%. It is suitable to plant in the region of the effective accumulated temperature above 2 500 ℃ of along the Yellow River irrigation area in Gansu province,River Valley irrigated area in Longdong,and Hexi irrigated area,or below 1 800 m above sea level, annual precipitation is more than 450 mm of the mountain plateau and dry land,or other Supplementary irrigation area.