几种暖季型草坪草在成都的引种适应性研究

Study on the adaptability of several warm-season turfgrass in Chengdu

对 2 2种暖季型草坪草进行了引种适应性评价 ,结果表明 :所有参试品种都较适应成都的气候土壤 ,综合各项指标 ,表现最好的品种有矮生狗牙根和沟叶结缕草 ;沟叶结缕草、百喜草和牛鞭草的绿期最长 ,分别为 32 4、30 3和 36 5d,绿期最短的有中华结缕草 1号和 2号 ;质地最好的有细叶结缕草和矮生狗牙根 ,最差的有牛鞭草、双穗雀稗 ;参试品种都具有较好的抗热性和抗病性。

Adaptability of 22 warm season turfgrass in Chengdu were evaluated. The results showed that all varieties were adaptive in climate and soil in Chengdu, ‘Bermudagrass’ and ‘Manilagrass’ were comprehensively the best. ‘Manilagrass’, ‘Bahiagrass’ and ‘Limpograss’ had the longest green period which were 324, 303 and 365 days respectively, but ‘Zosia Chinese Ⅰ’ and ‘Zosia Chinese Ⅱ’ had the shortest. ‘Mascarenegrass’ and ‘dwarf Bermudagrass’ had the best texture while ‘Limpograss’ and ‘Bahiagrass’ had the worst one. All turfgrass had good resistance to heat and disease.