美国种源刺槐在河南孟津等地生长情况对比分析

Comparative growth analysis on American Robinia pseudoacacia planted in three different experimental locations

对比分析了在河南孟津、民权和河北平泉3个试验点定植的34个美国原生种源和我国5个次生种源的一年生刺槐生长量。结果显示:在种源中,Brulington、银川、平泉、洛阳种源在孟津生长较好,Hannidal、延安、New River Gorge、青岛、Colt种源在民权生长较好,Brulington、Georgetown、Huntersille种源在平泉生长较好。在家系中,银川种源中的yc7号家系在孟津生长较好;New River Gorge种源中的11号、Hannidal种源中的56号、Knoxville种源中的198号家系在民权生长较好;延安种源中的ya28号、Brulington种源中的46号、Morgantown种源中的77号、MS/AL Border种源中的153号、延安种源中的ya8号、Huntersille种源中的179号家系在平泉生长较好。

The annual increments of 34 American native provenances＇ and 5 Chinese secondary prove- nances＇ one-year-old black locust planted in Henan Province＇ s Mengjin and Minquan and Hebei Province＇ s Pingquan were comparatively analyzed. The results showed that the Brulington, Yinchuan, Pingquan and Luoyang provenances＇ grew better in Mengjin, the Hannidal, Yan＇ an, New River Gorge, Qingdao and Colt provenances＇ grew better in Minquan, and the Brulington, Georgetown and Huntersille provenances＇ grew better in Pingquan. In the genealogy of black locust, Yinchuan provenance＇ s yc7 grew better in Mengjin; New River Gorge prove- nance＇ s No. 11, Hannidal provenance＇ s No. 56 and Knoxville provenance＇ s No. 198 grew better in Minquan ; Yan＇ an provenance＇ s ya28, Brulington provenance＇ s No. 46, Morgantown provenance＇ s No. 77, MS/AL Border provenance＇ s No. 153, Yan＇ an provenance＇ s ya8 and Huntersille provenance＇ s No. 179 grew better in Pingquan.