破除红蓼种子休眠研究初报

A Preliminary Study on Breaking Dormancy in Polygonum orientale L. Seeds

红蓼种子由于种皮障碍 ,发芽率低。对红蓼种子种皮进行剪口处理 ,发芽率达 82 % ,简易活力指数为 3 .2 6;98%浓硫酸处理 3min ,发芽率达 94% ,简易活力指数为 4.12。

Polygonum orientale L.Seeds have low germination rate for the seed coats. After cutting the seed coats of Polygonum orientale L.,Germination rate reach 82%and simple activity index is 3.26;After treated with 98%H 2SO 4 for 3 minutes,germination rate is 94% ,simple acticity index is 4.12.