澳大利亚牧草引种试验报告

在福州市西郊对13种澳大利亚牧草进行引种试验。白花羽扇豆,大结豆、柱花草和肯尼亚三叶草因不能适应当地气候条件而死亡。卡松古鲁狗尾草、青绿黍、秘鲁银合欢、肯宁汉姆银合欢、高值扁豆、绿叶山蚂蝗、马拉奇大豆、大翼豆,肯库尔草等9种牧草引种成功。割草期长达6个月,年割草4～6次。肯库尔草等能耐0～2℃低温,100％安全越冬。大翼豆等冬天地上部枯死或落叶,来春萌发较迟。高值扁豆易冻死,只能作一年生牧草栽培利用。绿叶山蚂蝗前2年受到华啄丽金龟的危害,2种银合欢发现蚜虫密集危害。这些牧草适口性均较好。

A REPORT ON INTRODUCTION TEST OF AUSTRALIA FORAGE GRASSES

An introduction test of 13 Australia forage grasses was conducted in the western Fuzhou suburban.The results show that Lupinus albus, Macrotyloma axillare,Stylosanthes sp.and Trifolium semiplosum failed to survive under the local climate conditions,while Setratia anceps,Panicum maximum var.trichoglume,Leucaena leucocephala(Peruvian Leucaena, L. leucocephala(Cunningham leucaena),Lablab purpureus,Desmodium intor- tum,Glycine sp.,Macroptilium atropurpureum and Pennisetum clandestinum could grow normally.The cutting period is up to 6 months and the cutting frequency was 4—6 times a year.Pennisetum clandestinum etc.have the cold endurence to the low temperature of 0—2℃ and 100％ of them could safely overwinter.The top of M.atrepurpareum etc.were wither or defo- liate in the winter and gemmated late in the next spring.L.purpureus etc. were easily to be dead with freezing damage,and could only be grown as annual forage grasses.Desmodium intortum was damaged by Adoratus sinicus Burmeister in the first two years and the two kinds of L.leucocephala were discovered to be damaged by masses of aphid.All of those introduced forage grasses are suitable for animals to eat.