期刊论文

中文

西北农业学报

1004-1389

2007

16

1

123-126

国家“948项目”（2003-Q04）； 国家自然科学基金项目（30671206）； 湖南农业大学***科研启动项目资助；

本校为第一机构

分别用蒽酮比色法和茚三酮比色法测定油菜茎叶可溶性糖和游离氨基酸含量，研究其生育期变化和品种间差异。结果表明，所有品种单株可溶性糖及游离氨基酸总量以及茎叶可溶性糖和游离氨基酸含量有一致的变化趋势，即从苗期到抽薹期逐渐升高，抽薹期以后明显下降，呈单峰曲线。所有生育期可溶性糖含量及单株可溶性糖总量、游离氨基酸含量及单株游离氨基酸总量与籽粒产量之间均有正相关趋势，但只有开花期和角果发育期的可溶性糖含量及单株可溶性糖总量与籽粒产量之间的相关系数达到显著水平，说明对油菜来说可溶性糖比游离氨基酸能更好地反映植株生长及产量形成能力。

The differences of soluble sugar and free amino acid conten.ts in the different oilseed rape varieties were studied in the different growth period, by respectively using ninhydrine colorimetry and anthrone colorimetry for measuring soluble sugar and free amino acid. The results showed that, whether in single oilseed rape plant or in their stem and leaf, soluble sugar and total free amino acid amounts have the same in trend to all varieties, i. e continuously elevate from the seedling to flowering period and then obviously get down after flowering period, were shaped single peak curve. Soluble ...