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《Journal of Maize Sciences》 2017-06
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Study on the Improvement of Maize Inbred Line Chang7-2

ZHANG Yong-ke;WANG Rui;ZHAO Xiao-feng;GUO-Yong;WANG Li-xiang;LIAO Yun-cheng;TAN Yi-guo;College of Agronomy, Northwest Agriculture and Forest of University;Seed Station of Shananxi Province;  
In complete Diallel Croreid Design(NCⅡcro Reid design),forty-two croreides were made with thirteen inbred lines,plot arrange randomly,field determination integrate with laboratory determination.The result showed that,the yield C.A.of Xinong672 was higher than Chang7-2 and 7117;the C.A.of ear length,ear length for grain,rows per ear,grains per row of Xinong672 was higher than that of Chang7-2,PH6wc and 7117;the C.A.of grains percent of Xinong672 was lower than that of Chang7-2;the C.A.of plant height by Xinong672 was higher than that of Chang7-2 and 7117,and lower than that of PH6wc;the C.A.of ear height by Xinong672 was higher than that of PH6wc and 7117,and lower than Chang7-2.The C.A.of grains percent by Xinong672 was fairly with PH6wc;the C.A.of LAI,ear length,ear height,ear length for grain,rows per ear,grains per row of Xinong672 was higher than that of Chang7-2;The C.A.of LAI,100 grain weight,yield of Xinong672 was lower than that of PH6wc slightly.The Xinong672 was bred from using PH6wc improvement Chang7-2,and it collected the advantage of PH6wc and Chang7-2,the synthesis improvement effect of Xinong672 was better than 7117 which from using Wu117 improvement Chang7-2 obviously.The yield C.A.,yield characteristic and agronomy characteristic C.A.of Xinong672 which from using PH6wc improvement Chang7-2 had been more promoted than 7117 which from using Wu117 improvement Chang7-2 obviously.
【Fund】: 陕西省农业重大科技攻关专项“玉米新品种选育与关键技术研究”;; 陕西省农业科技攻关项目“昌7-2自交系改良与玉米新品种选育研究”(2014K02-01-02);; 西北农林科技大学唐仲英育种专项“资源高效型玉米新品种选育”(2005-2016)、西北农林科技大学斗口小麦玉米试验示范站西北农林科技大学推广项目
【CateGory Index】: S513
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