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橡胶树烂脚寒害在我国植胶区均有不同程度的出现。早在七十年代初,已经发现胶树烂脚的普遍性和严重性。云南省的德宏、河口垦区、广西及广东湛江北部垦区的烂脚较为严重,福建垦区亦有出现。特别是1983/1984年冬,广西及湛江北部垦区较为突出。烂脚寒害级别在局部地区,某些品系往往比树冠重1～3级。烂脚寒害多出现在低洼地和胶林郁闭度大,以及土壤粘重,排水不良的地段。其出
Rotten rubber tree bad foot injury in our country have different degrees of plastic zone appear. As early as the early 1970s, the prevalence and severity of rotten gum trees have been found. Dehong in Yunnan Province, estuarine reclamation area, Guangxi and Guangdong northern Zhanjiang reclamation area is more serious, Fujian reclamation area also appeared. Especially the winter of 1983/1984, Guangxi and Zhanjiang northern reclamation area is more prominent. Rotten foot cold damage levels in some areas, some of the strains are often heavier than the crown 1 to 3. Rotten feet and cold damage occurred in low-lying and plastic forest canopy density, and the soil sticky, poor drainage area. Its out