橡胶树抗寒高产新品种区域性栽培试验初报  

Primary Report on Regional Planting High-yield , Resisting Cold Rubber Clone in Yunnan

作　　者：敖硕昌[1] 和丽岗[1] 肖桂秀[1] 

机构地区：[1]云南省热带作物科学研究所,云南景洪666100

出　　处：《云南热作科技》2000年第2期1-6,共6页Journal of Yunnan Tropical Crops Science & Technology

摘　　要：橡胶树新品种云研 77- 2、云研 77- 4在云南不同类型植胶区的生长、产胶、抗寒力优于GT1;Ⅱ类型植胶区橡胶幼树生长比Ⅲ类型区的快 ;Ⅲ类型区国营江城农场四队试验点海拔 970～ 10 10m ,属重寒地区 ,1999 2 0 0 0年寒潮 ,气温下降至 - 1.5℃ ,≤ 0℃天数 6d 。The result shows that the growth ,productivity and resis tance to cold of rubber new varieties , 'Yunyan77-2'and 'Yunyan77-4' are superior to GT1 in di fferent planting area of Yunnan;the growth of young plant is rapidly inⅡtype pl anting area than that in Ⅲ type planting area .When the temperature depressed - 1.5 ℃ and days below or at 0℃ is 6d ,the young plant was damaged severely in Jiangchen farm ,Ⅳ type planting area, the altitude is 970～1 010m.

关 键 词：橡胶树 云研77-2 云研77-4 抗寒品种 区域 

分 类 号：S794.104[农业科学—林木遗传育种]