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“吉农38号”是以外引系“CUNA”为母本,以自选系“吉农9922-2”为父本,进行有性杂交并连续自交6代,经系谱法选育而成的中早熟大豆新品种.2012-2013年参加吉林省大豆品种区域试验,2年平均产量3 311.9 kg /hm2,比对照“吉育47号”增产3.1 ％;2013年参加吉林省大豆品种生产试验,平均产量 3 116.1 kg /hm2,比对照“吉育47号”增产4.0％.该品种于2014年1月通过吉林省农作物品种审定委员会审定,其主要特点是高产、稳产、油分含量高、抗大豆灰斑病.该品种适宜在吉林省的吉林、延边、长春、通化、松原、白山等中早熟区及中熟区种植.“,”“Jinong 38”,a new medium-early-maturing soybean variety,was obtained with the introduced line of“CUNA”as female parent and the inbred line of“Jinong 9922-2”as male parent,by cross-breeding and six-generation continuous self-crossing with pedigree method. Its average yield of regional test was 3 311. 9 kg /hm2 in 2012 and 2013,which was 3. 1％ higher than the check. Its yield of production trial was 3 116. 1 kg /hm2 on average in 2013,which was 4. 0％ higher than the check. Jinong 38 was approved and released to the farmers by Jilin Evaluation Committee of Crop Variety in January 2014. The main characteristics of this cultivar were high yield,stable yield,high oil content and resistance to soybean grey spot disease. The variety is suitable for the medium-earlymaturing area and medium-maturing area in Jilin province,such as Jilin,Yanbian,Changchun, Tonghua,Songyuan,Baishan,etc.