桂桑优12饲用桑品种晋北旱地栽植试验  

Planting Experiment of Guisangyou 12 Forage Mulberry in Dry Land of North Shanxi Province

作　　者：孟保奎 杨滨浩 姚武军 MENG Baokui;YANG Binghao;YAO Wujun(Shanxi Provincial Sericulture Research Institute,Yuncheng Shanxi 044000,China)

机构地区：[1]山西省蚕业科学研究院,山西运城044000

出　　处：《北方蚕业》2023年第1期11-15,共5页North Sericulture

基　　金：山西省“三区”科技人才项目(2020S169)。

摘　　要：在晋北农牧交错区进行“桂桑优12”饲用桑品种旱地栽植试验。结果显示,栽植3个多月后主根在20 cm基础上平均伸长了16.86 cm,伸长率达到78.75%。桑园可在夏、秋季收割两茬,单株茎叶收获量平均为437.72 g,667 m^(2)茎叶产量2600 kg以上。该品种历经冬季最低气温-23℃寒冷气候,到第二年春夏季刨开土壤耕作层仍可看见苗根鲜黄、根部发芽长出多个新枝条,桑苗成活率均在86.67%以上。The experiment of planting forage mulberry"Guisangyou 12"was carried out in the agro-pastoral overlapped area of North Shanxi Province.The results showed that the taproot extended 16.86 cm on the 20 cm base on average after more than 3 months,and the elongation reached 78.75%.The mulberry garden can be harvested twice in summer and autumn,and the average yield of stem and leaf per plant was 437.72 g,and the yield of stem and leaf of 667 m2 was more than 2600 kg.Experiencing the minimum temperature of-23℃in winter,the yellow seedling roots and several new branches could still be seen when the soil was dug up in the spring and summer of the next year,and the survival rate of mulberry seedlings was above 86.67%.

关 键 词：饲用桑 桂桑优12 寒区旱地 适应性 

分 类 号：S888.4[农业科学—特种经济动物饲养]