陕西省旱区抗逆农作物地方种质资源调查与分析

为了收集、保存和了解陕西省旱区植物种质资源现状,对渭北旱塬和陕北地区的长武、蒲城、安塞、定边、靖边、府谷和神木等7县下辖的21个乡的63个村的农作物地方种质资源进行了系统调查、收集,共收集到农作物地方种质资源1049份。其中,粮食作物及其野生种质资源617份,果树种质资源25份,蔬菜种质资源250份,经济作物地方种质资源共157份,隶属于19科、44属、56种,其中,禾本科和豆科的属和种所占比例最多,分别为9属9种和4属11种。通过对陕西省旱区抗逆农作物种质资源利用现状进行调查和分析,对这些种质资源有效保护和利用提出建议。

Investigating and analyzing adversity-resistant landrace in dryland region of Shaanxi

Abstract: In order to collect, conserve and know current plant germplasm in dryland region of Shaanxi, landrace crop cultivars and varieties were systematically investigated and collected in 63 villages affiliated to 21 towns and townships of seven counties located in the Weibei Highlands and North Shaanxi, Chanwu, Pucheng, Aansai, Dingbian, Jingbian, Fugu and shengmu. As a result, there were totally 1049 accessions of landrace crop cultivars and varieties collected and analyzed of which 617 accessions were from grain crops and wild plants, 25 accessions were from fruit trees, and 250 accessions were from vegetables, and 157 accessions were from cash crops. All the accessions belonged to 56 species, 44 genera and 19 families, respectively, and among them those belonging to Leguminosae and Gramineae made up the highest proportions. And there were proposals about how to effectively conserve and utilize these accessions suggested depending on the investigation and analyzation results.