彩叶风箱果种子播种育苗技术研究

Seeding and Seedling-Raising Technique of Colourful-leaved Physocarpus amurensis

采用抗寒性极强的风箱果与黑龙江呼兰(HL)、吉林舒兰(SL)和辽宁开原(KY)3个采种地的紫叶风箱果或金叶风箱果混交栽培方式,利用品种间自然授粉获取种子,进行混合采种和播种试验。结果表明:种子沙藏处理效果最好,紫叶风箱果和金叶风箱果平均发芽率分别高达98.7%、98.3%;同一采种地沙藏处理播种苗生长略好于雪藏,干贮效果生长最慢;不同采种地之间,KY生长情况略好于SL,HL生长最慢。

Cultivation modes of Physocarpus opulifolius ＇Diabolo＇ and Physocarpus opulifolius var. luteus in three seed collection area [Hulan Region of Heilongjiang Province（HL）, Shulan City of Jilin Province （SL） and Kaiyuan city of Liaoning Province （KY）]were adopted. Seeds were obtained by using natural pollination among species, mixed seed selection and seeding were conducted. Result shows that the effect of treatment of sand storage is the optimal, average germination rate of Physocarpus opulifolius＇Diabolo＇ and Physocarpus opulifolius var. luteus is 98.7% and 98.3% respectively. The growth of seedling in the same seed collection is slightly optimal than that by frozen storage; the growth by dry storage is the slowest. The growth of KY is slightly optimal than that of SL and the growth of HL is the slowest.