印度梨形孢对龙眼种子萌发和幼苗生长的影响

Effects of Piriformospora indica Treatment on Seed Germination and Seedling Growth of Longan Plants

以‘东壁'龙眼为材料,研究印度梨形孢对龙眼种子萌发和幼苗生长的影响。结果显示印度梨形孢处理极显著提高室温贮藏3d的种子萌发率(P<0.01)。播种后2个月统计结果显示印度梨形孢处理极显著提高龙眼幼苗侧根数量和地上部高度(P<0.01),显著提高幼苗侧根、主根、地上部及幼苗总重(P<0.05),对主根伸长有一定的抑制作用,但效果并不显著,对叶片数影响不大。说明对短期室温贮藏的龙眼种子而言,印度梨形孢处理能有效提高其萌发率,同时印度梨形孢定殖对龙眼幼苗生长有显著的促进作用。

Effects of Piriformospora indica treatment on seed germination and seedling growth of Dongbi longan（Dimocarpus longan）were investigated.After a treatment with P.indica,the germination rate of the longan seeds stored at room temperature for three days increased significantly at P0.01.Two months after sowing,the root count and height of the seedlings significantly increased as well（P0.01）,and the weights of branched roots,main roots,above-ground and entire plantlet all significantly increased（P0.05）.The average length of main roots on the treated seedlings was shorter than that on control,but not significantly different.Nor was there any significant difference on leaf count.It appeared that by treating the seeds with P.indica the germination rate and seedling growth of Dongbi longan could be improved.