Jiang Chengxi,Lu Dechang,Chen Weiyuan,et al.Studies on the utilization of fasciated stem soybean[J].HEILONGJIANG AGRICULTURAL SCIENCES,2000,(01):18-20.[doi:10.11942/j.issn1002-2767.2000.01.0018]
扁茎大豆在育种上的应用研究
- Title:
- Studies on the utilization of fasciated stem soybean
- 文章编号:
- 1002 -2767(2000)01 -18 -03
- Keywords:
- Fosciated stem soybean ; Cross ; Improvement ; Instinctive cultivar
- 分类号:
- S565 .1
- 文献标志码:
- A
- 摘要:
- 扁茎大豆与普通大豆品种杂交, F1 代表现为正常型, 无扁茎类型出现。F2 代分离很大, 有扁茎类型出现, 比例很小, 平均占总株数的8 %左右, 扁化程度不同。F3 代系统中, 扁茎株的后代平均 95 %左右为扁茎, 圆茎很少, 扁化程度也不一致。这说明扁茎性状可能由一个主基因及多个微效基因控制。扁茎杂种后代中, 节短、节多、花多、荚密的优良农艺性状出现比例很大, F2 代平均占总株数的60 %左右, 选择秆强抗倒伏、粒较大的农艺性状好的后代, 经多次杂交改良, 一定会选育出高产或超高产的特异性品种。我们已利用扁茎大豆选育出了绥98 -275 、绥98 -238 、绥97 -5545 等 10 个优良品系。其中绥98 -275 产量高达4 103 .2kg/hm 2 , 比对照品种垦农4 号增产29 .7 %。
- Abstract:
- Fasciated stem soy beans w ere crossed w ith ordinary soy beans .F1 showed normal type w ithout fasciated stem types .F2 segragated g reat ly and fasciated stem ty pes accounted fo r about 8 % of the total plants , differing in fasciated deg ree .In F3 generation , the fasciated stem plant s made of about 95 % of the fasciated progeny and differed in the fasciated deg ree .This showed that the fasciated stem character might be co nt roled by one main gene and several slight-effect genes.In the progeny of fasciated stem the good agronomic characters such as short stem between nodes, poly-node , poly -flower and dense pods covered a g reat ratio , averagely about 60 % of the F2 plants .Improved by crossing many t imes , the good progenies wi th st ro ng stem , lodging-resistent and larger seeds have been selected and distinctive cultiv ars w ith hig h y ield or ex tra -hig h yield will be released .We have developed ten g ood lines such as Sui 98 -275 , Sui 98 -238 , Sui 97 -5545 etc .The yield of Sui 98 -275 reached 4103 .2kg/ha , increasing 29.7 %, compared w ith that of the cont rol cultivar Kennong 4 .
参考文献/References:
[ 1] 郭泰.扁平茎多花多荚大豆.作物品种资源,1993 ,(3):44
[ 2] 苗以农.大豆花序的变异.大豆通报, 1996 ,(4):2
[ 3] 田佩占等.改变普通大豆生物学特性提高大豆产量的研究.Ⅱ中国扁茎大豆的生物学特性.大豆科学, 1998 , 17 (2):9599
[ 4] 田佩占等.改变普通大豆生物学特性提高大豆产量的研究.Ⅲ大豆扁茎性状的遗传方式探讨, 1999 ,18(2):95100
[ 5] Leff el , R.C , Bernard , R.L., and Yocum J .O .1993 , Agronomi c performance of fasciat ed soybean genotypes and their isogenic lines , Crtp .Sci .33 :427432
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备注/Memo
收稿日期:1999 -09 -08
作者简介:姜成喜(1962 -), 男, 副研究员, 从事大豆育种研究。