云南巍山县青贮饲草品种筛选

对13个青贮饲草品种进行了物候期、产草量、茎叶比、干鲜比、营养成分和采食率等方面的测定。结果表明:先锋高丹草、大力士甜高梁、M-81E甜高梁的干物质产量显著高于玉米类品种,而玉米类品种中以东龙一号玉米、丹科2143玉米、东陵白玉米、曲晨三号玉米表现较好。大力士甜高粱、东龙一号玉米、先锋高丹草、墨西哥类玉米4个饲草品种的干物质产量较高,适应性强,适宜在云南亚热带地区作青贮饲草品种推广种植。

Screening of Silage Pasturage Varieties with High Yield in Weishan County of Yunnan Province

In Weishan County of Yunnan province,the phenophase,forage yield,stem/lamina ratio,green and fresh grass ratio,nutrition composition of dry matter and intake rate of 13 silage pasturage varieties were tested.The results showed that the dry matter yields of Pacesetter plus,Hunnigreen and M-8IE were significantly higher than those of maize varieties;among the maize varieties,Donglong No.1,Danke 2143,Donglingbai and Quchen No.3 grew better and had higher yields.Hunnigreen,Donglong No.1,Pacesetter plus and Euchlaena mexicana had higher yields of dry matter and adapted well to the native climate.Therefore,it is suggested that these 4 varieties can be promoted to be silage pasturage in the areas with the similar climate as Weishan County.