热带作物学报2011,Vol.32Issue(5):806-810,5.DOI:10.3969/j.issn.1000-2561.2011.05.006
盈江危地马拉草评价及推广应用
Breeding and Applying of Tripsacum laxum Nash cv.Yingjiang
摘要
Abstract
Tripsacum laxum Nash cv. Yingjiang is a local tropical rough pasture cultivar which has a long cultivated history in Yingjiang -County of Yunnan Province. The results of comparison trial and regional tests in different regions for many years showed that this cultivar had slow growth in the early growing stage and poor regeneration after cutting, but longer duration of vegetative growth stage, and relatively stable nutrition value, and the annual average dry matter yields was 12.7-19.22 l/hm2, 29.02%~4235% lower than that of Pennisetum purpweum Schum. Cv. Dehong, but 166.36%~242.03% higher than that of cv. Dehong in dry season. This results indicated that there was strong complementary in forage seasonal availability between Tripsacum laxum Nash cv. Yingjiang and Pennisetum purpureum Schum. Cv. Dehong, rational planting and using should beneficial to forage balanced supply of the whole year, and the suitable planting regions of Tripsacum laxum Nash cv. Yingjiang is in south subtropical areas, where there is only light frost in winter.关键词
危地马拉草/生产性能/农艺性状/适应性Key words
Tripsacum laxum/Productivity/Agronomic characters/Adaptability分类
农业科技引用本文复制引用
钟声,黄梅芬,薛世明,黄必志..盈江危地马拉草评价及推广应用[J].热带作物学报,2011,32(5):806-810,5.基金项目
国家科技支撑计划项目(2011BAD17B03,2008BAD3B08) (2011BAD17B03,2008BAD3B08)
现代牧草产业技术体系建设专项资金. ()