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浸种时间和温度对豇豆种子物质外渗及幼苗生长的影响
孟焕文1, 程智慧1, 王 龙1
西北农业大学 园艺系
摘要:
随着浸种时间和浸种温度的增加,豇豆种子中的电解质、游离氨基酸、可溶性糖及蛋白质外渗率增高。浸种时间超过4h,物质外渗率增加显著;浸种温度35℃物质外渗率显著高于5,15和25℃.较高温度和较长时间浸种虽出苗较快,但不利于培育壮苗。
关键词:  豇豆,浸种,物质外渗,幼苗生长
DOI:
分类号:S643.4
基金项目:
Effects of Soaking Time and Temperature on Seepage of Seed Contents and Seedling Growth of Long Yardbean
Meng Huanwen Cheng Zhihui Wang Long
Abstract:
As the increase of soaking time and temperature, the seeping percentage of electrolytes, free amino acids, soluble sugar and protein in seeds of long yardbean (Vigna sesquipedalis/i>) increased. Generally, the seepage increased significantly when the soaking time was longer than 4 hours.The seepage was much higher with soaking temperature at 35℃ than at 5, 15 and 25℃.Although to soak seeds at higher temperature and for longer time was favourable to the early sprouting of seedlings, it was unfavourable to the raising of strong seedlings.
Key words:  long yardbean,soaking seed,seepage of content,seedling growth