优质鲜食夏大豆新品种“通豆6号”的选育

采用系统育种方法，育成大荚大粒、高产、优质、综合性状优良的鲜食夏大豆新品种“通豆6号”。从播种至采收青荚约97d，标准荚数364．3个／kg，二粒荚长5．72cm，宽1．34cm，鲜籽百粒重70．2g，出仁率52．3％。江苏省鲜食夏大豆区域试验平均鲜荚产量8647．1kg／hm2，2005年比对照“绿宝珠”增产23．4％，2006年比对照“南农菜豆5号”增产12．5％；平均鲜籽产量4492．3kg／hm2，2005年比对照“绿宝珠”增产21．7％，2006年比对照“南农菜豆5号”增产19．1％。江苏省鲜食夏大豆生产试验平均鲜荚产量12500．8kg／hm2，比对照“南农菜豆5号”增产15．6％，平均鲜籽产量6750．0kg／hm2，比对照增产26．9％。该品种适宜江苏及长江中下游地区作鲜食夏大豆种植。

Breeding of a new table variety of summer soybean Tongdou 6

A new table variety of summer soybean,"Tongdou 6",was bred from such advantages as high yield,good quality,large pods and seeds,and good synthetic character.Its growth period from seeding date to picking time of green pods was about 97 days.The number of normal green pods per kilogram was 364.3,the two-seed pod was 5.72 cm long and 1.34 cm wide,the fresh 100-seed weight was 70.2 g,and the kernel rate was 52.3%.The average fresh pod yield in Jiangsu regional test of table summer soybean was 8 647.1 kg/hm~2,being 24.3% higher than that of the control variety "Lübaozhu"in 2005 and 12.5% higher than that of the control variety "Nannong Caidou 5" in 2006.The average fresh seed yield was 4 492.3 kg/hm~2,being 21.7% higher that of the control variety "Nannong Caidou 5" in 2006.The average fresh pod yield in Jiangsu production test of table summer soybean was 12 500.8 kg/hm~2 and 15.6% higher than that of the control "Nannong Caidou 5",and the average fresh seed yield was 6 750.0 kg/hm~2 and 26.9% higher than that of the control.The variety was suitable for being planted in Jiangsu Province and the middle and lower reaches of the Yangtze River.