Shou HuixiaSo ng WenjianZhang GangWa ng Wenjie Bian Qi jun.STUDY ON THE DIFFERENCE OF RESISTANCE TO SEEDDETERIORATION BETWEEN CULTIVATED AND WILD SOYBEAN GENOTYPES[J].Soybean Science,1998,17(01):59-60.[doi:10.11861/j.issn.1000-9841.1998.01.0059]
栽培与野生大豆资源抗种子劣变性差异的研究
- Title:
- STUDY ON THE DIFFERENCE OF RESISTANCE TO SEEDDETERIORATION BETWEEN CULTIVATED AND WILD SOYBEAN GENOTYPES
- Keywords:
- Wild soybea n; Seed deterio ratio n; Accelera ted aging
- 文献标志码:
- A
- 摘要:
- 用甲醇胁迫、高温高湿等加速老化法,鉴定了10个栽培大豆和野生大豆品种的抗种子劣变性,结果表明,人工老化后,各野生大豆品种仍保持较高的种子活力,而栽培大豆的种子活力下降较快。电镜观察发现,野生大豆的种皮栅状细胞排列紧密,细胞层厚度大大高于栽培大豆,种皮发芽孔小于栽培大豆,这正是野生大豆高抗种子劣变的原因所在。
- Abstract:
- The resista nces to seed deterio ratio n of 10 soybea n and wild so ybean genotypesw ere tested by methods of methano l st ress, high temperature and humidi ty acceleratedaging. The result indicated that seeds of all of five w ild soy bean g eno ty pes keeped hig hervig o rs than seeds o f soy bean g eno ty pes. Observa tio ns by elect ron micro scope show edthat there are thicker, more tigh tly rang ed palisade cells and smaller germpo res on seedcoats of wi ld soybea n g eno ty pes than that of so ybean genotypes. It i s w hy w ild so ybeang eno ty pes hav e higher resista nce to seed deterio ra tion than cultiv ated so ybean genotypes.
参考文献/References:
[1 ] 唐善德, 1992, 大豆种子劣变研究概况,种子, 59: ( 3) 43~ 45
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