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一、育苗1955年李亚纳季(Liyanage)明确指出,在椰子苗圃选苗,可以提高将来椰园的产量。在大田直播果实,将大大限制选苗的效用,因此不宜采用。现把育苗的几项重要措施略述于下。(一)种果的选择过去,有些人把高产植株选作母树,全部种用果实皆产自母树。例如桑普森(Sampson,1923)主张选用高产椰树作采种母树。近来,对选择母树的效果提出了一些疑问。查尔斯(Charles,1961)曾批驳了选择母树的论证,并且认为,选择母树并没有什么效果。他进一步指出,唯一可行的方法是从生长
I. Breeding In 1955, Liyanage made it clear that the election of seedlings in coconut nurseries could increase the production of coconuts in the future. Live broadcast fruit in Daejeon, will greatly restrict the effectiveness of the election seedlings, it is not appropriate. Now several key measures nursery outlined below. (A) the choice of fruit In the past, some people choose high-yielding plants as the mother tree, all kinds of fruit are produced from the mother tree. For example, Sampson (1923) advocated the use of high-yield coconut trees as seed trees. Recently, some questions have been raised about the effect of choosing a mother tree. Charles (1961) once rejected the argument for choosing a mother tree and concluded that choosing a mother tree did not work. He further pointed out that the only viable method is to grow