贡柑砧木比较试验研究  

Study on comparison of rootstocks for Gonggan (Citrus reticulata Blanco cv. gonggan)

作　　者：吴文[1] 马培恰[1] 李健强 唐小浪[1] 黄永敬[1] 姚金明 何锦洪 

机构地区：[1]广东省农科院果树研究所,广东广州510640 [2]德庆县农业局,广东德庆526600

出　　处：《广东农业科学》2008年第11期29-31,共3页Guangdong Agricultural Sciences

基　　金：广东省科技重大专项(2002A2080203)

摘　　要：以红柠檬、酸桔、江西红桔和小叶大花枳(简称枳)作贡柑的砧木,对不同砧穗组合贡柑的亲和力、树体生长情况、早结丰产性、产量和果实品质进行了系统研究。结果表明,4种砧木与贡柑接穗的亲和性无明显差异,均表现亲和力强;各砧木贡柑嫁接苗均能较早形成树冠,其中枳砧贡柑植株生势缓和,树冠矮化;枳砧和红柠檬砧贡柑表现早结丰产性好,初果期产量与酸桔砧和江西红桔砧贡柑的差异显著,而进入盛果期后各砧木贡柑的产量差异不大;枳、酸桔和江西红桔作贡柑砧木,果实的可溶性固形物、总糖和总酸含量较高,果实品质好,而红柠檬砧贡柑的可溶性固形物、总糖和总酸含量较低,果肉枯水严重,品质差。依据研究结果认为枳、酸桔和江西红桔是广东值得推广的优良贡柑砧木,而红柠檬一般不宜作贡柑砧木。Graft affinity, growth of tree, quality of early fruit setting as well as high yielding, yield and fruit quality of different graft unions were studied systematically using Guangdong Lemon （Citrus limonia Osbeck）, Suanju （Citrus reticulata Blanco）, Jiangxihongju （Citrus retieulata Blanco）, and Large leaf and flower Trifoliate Orange [Poncirus Trifoliata （L.） Raf.）as rootstocks for Gonggan. The results indicated that four rootstocks for Gonggan appeared excellent graft affinity with no significant differences. All rootstocks seemed to form tree-crown early, and Gonggan with Trifoliate Orange rootstock bad moderated vigor as well as dwarf tree-crown. Gonggan with Trifoliate Orange and Guangdong Lemon rootstocks had great quality of early fruit setting as well as high yielding, and yields of the stage of beginning to bear fruit appeared significant difference compared with that of Gonggan with Suanju and Jiangxihongju rootstocks. However, there were no significant differences among yields of all Gonggan during the harvest stage. The fruits with Trifoliate Orange, Suanju and Jiangxihongju rootstock possessed great quality, containing a high level of dissoluble condensate, total sugar and acid. On the contrary, Gonggan with Guangdong Lemon rootstocks had undesirable quality with vesicle collapsed fruits, containing relatively low level of dissoluble condensate, total sugar and acid. It was recommended that Trifoliate Orange, Suanju and Jiangxihongiu as the appropriate rootstock for Gonggan in Guangdong province, while Guangdong Lemon was unsuitable when used as rootstock for Gonggan.

关 键 词：贡柑 砧木 产量 品质 

分 类 号：S666.1[农业科学—果树学]