西华县地处黄泛区腹地 ,适宜农枣间作 ,现有以灰枣、鸡心枣为主栽品种的农枣间作面积 0 47万ｈｍ2 。由于多年来一直采用根蘖苗归圃繁殖 ,非主栽的螺丝红、九月青等品种在新发展的幼树中所占比例越来越高。这些品种因落果严重、成熟期不一致、产量低、效益差 ,多被果农刨除废 Xihua County is located in the hinterland of the pan-pan, suitable for intercropping jujube, the existing jujube, jujube-based varieties of jujube for the inter-area of ​​0.47 million hm2. Since root tillering seedlings have been used for breeding for many years, the proportion of non-planted screw red and septembergrass in newly developed saplings has been increasing. These varieties due to serious consequences, inconsistent maturity, low yield, poor efficiency, mostly by farmers digging