论文部分内容阅读
晋中地区核桃栽培历史悠久,资源丰富。从七十年代起,在全区范围内就广泛地开展了核桃优良单株选择工作,目前已取得一定成绩。1985年全省核桃优良单株决选会上,晋中有4株入选。现简介如下。一、穗状核桃:属特殊性状类型。本优树生长于灵石县南关镇王家岭村边梯田内沿。实生种,树龄21年生,树高11.5米,干高1.5米,干径0.42米,冠径6×6米,树冠
Jinzhong walnut cultivation has a long history and rich resources. From the seventies onwards, we have carried out a wide selection of excellent single plants for walnuts in the region, and we have achieved some achievements so far. In 1985 the province’s walnut fine single-election meeting, Jinzhong 4 selected. Now the introduction is as follows. First, the spike walnut: a special trait type. The tree grows in Lingshi County, South Gate Village Wangjialing edge of the terraces. Real species, age 21 years old, tree height 11.5 m, dry 1.5 m high, dry diameter 0.42 m, crown diameter 6 × 6 m, crown