食用向日葵新品种龙食葵3号选育及综合配套技术

龙食葵3号是黑龙江省农业科学院经济作物研究所选育成的食用向日葵新品种。2007年3月经黑龙江省农作物品种审定委员会登记推广。该品种丰产性好、品质好、抗性强．生育日数115d左右，需活动积温约2350℃，籽仁蛋白含量30．37％．株高220cm左右，花盘直径25cm，百粒重19g．结实率80％左右。2004-2005年区试平均产量2682．4kg·hm^-2，比对照增产14．9％．适于黑龙江省第一、二积温带种植。

Breeding and Comprehensive Cultivation Techniques of New Food Sunflower Variety Longshikui No. 3

Longshikui No. 3 was bred by Industrial Crops Institute of Heilongjiang Academy of Agricultural Sciences and authorized by Crop Variety Approval Committee of Heilongiiang Province in March of 2007. The variety owned the characteristics of high yield, top quality and high resistance. The growth period was about 115 days, the activity accumulated temperature was about 2 350℃. The protein content of kernele was 30. 37%. The plant height was about 220 cm and the diameter of flower disc was about 25 cm. The weight of hundred seeds was 19 g and the setting percentage about was 80%. The average yield of the whole province regional test in 2004-2005 was 2 682.4 kg· hm^-2 ,which was 14.9% higher than that of check Gankui No. 1. The variety was suitable to plant in the first or second accumulated temperature zone in Heilongjiang province.