【摘要】 通过对18个橡胶品种进行引种试种试验,调查比较其物候期、生长量以及抗寒性等性状。结果表明:橡胶品系不同受害程度不同,寒害最为严重的是热垦502,桂研74-1受害指数最低;从物候期、生长量及抗寒性的数据来看,桂研73-165和桂研74-1生长速度较快,抗寒性较强,是比较适合广西垦区发展种植的橡胶品种。更多还原

【Abstract】 The experiment on introduction and trial planting of 18 rubber cultivars was carried out to investigate and compare the characters of the cultivars,such as the phenophase,growth and cold resistance,etc.The results showed that different rubber strains were harmed in different degrees,among them,Reken 502 was damaged greatly,and Guiyan 74-1 was damaged slightly;the data of the phenophase,growth and cold resistance of the dultivars showed that Guiyan 73-165 and Guiyan 74-1,which have fast growth rate and strong cold resistance were suitable for planting in the reclamation area of Guangxi.更多还原