措美县高海拔边境地区青稞绿色增产增效关键技术与集成示范试验研究

Study on the Key Technology and Integrated Demonstration Test ofGreen Production and Efficiency Increase of Highland Barley inHigh Altitude Border Area of Cuomei County

选取适合在措美县高海拔地区种植的青稞品种为研究对象,以当地措美黑青稞作为对照,对西藏目前主推春青稞品种“藏青2000”、“藏青690”、“喜马拉22号”3个育成品种和新选育品系“12-10556”等4品种进行比较研究。在全生育期调查和记录主要农艺性状及产量性状,重点调查研究青稞基本苗数、株高、千粒重、亩穗数和穗粒数等性状;同时比较和分析条播、撒播不同的耕作方式对不同青稞品种(系)产量的影响,对不同品种(系)进行了综合比较研究。结果初步表明:“藏青690”的生育期天数较本研究试验选取的其他品种早,并且基本苗、株高、分蘖数等农艺性状都比对照当地品种表现好,亩穗数、千粒重、实际产量等产量性状均比对照当地品种高,“藏青690”较当地地方品种措美黑青稞在不同的耕作方式下的生育期、产量和农艺性状方面都具有明显的优势,初步推断其适宜在高海拔边境地区进行大面积推广与示范。

Through comprehensive comparative research of different varieties,the barley varieties suitable for planting in high altitude areas of Cuomei County were selected in this study.As a control,a local variety of Cuomei black barley in Cuomei County was used to compare with other four varieties,including Tibetan Green 690,Himala 22,Tibetan Green 2000,and 12-10556.In the whole fertility period,we investigated and recorded the main agronomic traits and yield characteristics,but focused on the investigation and research of the basic seedlings,plant height,thousand grain weight,mu spike number and spike number of characteristics,while comparing and analyzing the effects of striping,sowing different farming methods on the yield of different green grass varieties by the comprehensive comparative study of different varieties.The results showed that the barley cultivar Cangqing 690 had earlier jointing stage and shortergrowth period than other varieties, and Tibetan Qing 690 had obvious advantages in terms ofgrowth period, yield and agronomic traits. A preliminary speculation can be concluded that it issuitable for large-scale promotion and demonstration in high-altitude border areas.