木醋液浸种对西葫芦种子萌发和幼苗生长的影响

Effect of Wood Vinegar on Seed Viability and Seedling Growth of Summer Squash

为研究木醋液浸种处理对西葫芦种子萌发和幼苗长势的影响,笔者广泛查阅相关资料,用100、300、500倍的稀释木醋液浸种6 h,并用同体积蒸馏水同时间浸种作为对照进行研究,调查分析在光照培养箱内种子萌发和幼苗生长的情况。结果表明:使用木醋液浸种,对于西葫芦的发芽势、发芽率、幼苗芽长、幼苗主根长、百苗鲜重、百苗干重,以及活力指数都有影响。使用不同浓度的木醋液浸种,对西葫芦种子各项发芽指标和幼苗长势的影响不同;使用100倍稀释木醋液浸种,幼苗长势形成最高峰值,活力指数比蒸馏水浸种的对照提高9.01%,鲜重、干重、主根长分别比对照增加13.47%、9.81%、15.79%,产生显著差异;使用100倍稀释木醋液浸种处理对发芽势有一定的促进作用,对芽长、发芽率、发芽指数影响不显著。说明木醋液浸种可促进根系生长、鲜重和干物质积累增加,提高活力指数,幼苗长势更强,可应用于西葫芦种子播前处理。

On consulting academic documents, a series of experiments were carried to study the effect of woodvinegar on seed germination and seedling viability of summer squash（Cucurbita pepo L.）. Differentconcentrations of wood vinegar were adopted to soak summer squash seeds with dilution of 100 times, 300 times and 500 times for 6 hours, and seeds soaked with the same volume of distilled water for the sameduration were taken as the control. The test results showed that wood vinegar had effects on soaked summersquash seeds in terms of germinability, germination rate, the length of sprout, the length of seedling, fresh anddry weight of seedlings（100pc）, and plant vigor index. According to the test results, different dilution ratioshad different effects, M100 had the best positive effect, the vigor index was 9.01% higher than that of the control,the fresh weight, dry weight, root length increased by 13.47%, 9.81%, 15.79% respectively compared with thatof the control, while the effect on sprout length and germination was unobvious. The study concludes that thewood vinegar can stimulate the root growth of seedling, raise fresh and dry weight and the vigor index,therefore, it can be the material for soaking summer squash seeds before sowing.