不同越冬措施对凉粉草生长的影响

在大田条件下,以露地栽培为对照,研究了稻草覆盖和薄膜覆盖两种越冬措施对凉粉草生长的影响。结果表明,稻草覆盖能显著提高凉粉草的株高、茎鲜重、地上部总鲜重和茎叶比,其增幅分别为19.5%、26.1%、15.0%和16.8%;薄膜覆盖能显著提高凉粉草的株高、单株叶长、单株叶宽、茎鲜重、叶鲜重和地上部总鲜重,其增幅分别为52.4%、46.7%、43.8%、42.2%、42.8%和42.6%。说明薄膜覆盖比稻草覆盖更能促进凉粉草的生长,是凉粉草安全越冬的有效措施。

Effects of different over-wintering methods on the growth of Mesona chinensis

The present field experiments were conducted to determine the effects of different over-wintering methods,viz.,unmulched treatment,rice straw mulching and plastic film covering on the growth of Mesona Chinensis.The results revealed that rice straw mulching significantly increased the plant height,stem fresh weight,aboveground fresh weight and stem/leaf ratio by 19.5,26.1,15.0 and 16.8%,respectively.Plastic film covering significantly increased plant height,leaf length per plant,leaf width per plant,stem fresh weight,leaf fresh weight and aboveground fresh weight by 52.4,46.7,43.8,42.2,42.8 and 42.6%,respectively.It was indicated that the growth of Mesona Chinensis with plastic film covering was faster compared to rice straw muchling.Therefore,the plastic film covering was considered as an efficient over-wintering method for Mesona Chinensis.