论文部分内容阅读
柑桔通过辐照处理减少种子的效应十分显著。1960年美国R.A.Hensz用热中子处理哈德逊葡萄柚种子,育成了几乎无核的星路比(Star Ruby)葡萄柚,已在生产上推广。1980年C.J.Hearn报道,用4000拉特~(60)Co—γ射线照射凤梨橙、邓肯和福斯特葡萄柚,亦获得了无核果实。从经过照射的种子成长结果的一株福斯特树上,采下枝条进行重复照射,从重复照射后的枝条繁殖出来的一些树,产生了商品无核果实,这些无籽果实树还能提早结果。1958～1960年日本立川忠夫、原节生用~(60)Co—γ射线和X射线对长寿金柑、夏橙、八朔柑和日向夏等品种的
The effect of citrus on seed reduction by irradiation is significant. In 1960, R.A.Hensz from the United States used hot neutrons to treat Hudson grapefruit seeds and bred almost star-free Star Ruby grapefruit, which has been promoted in production. In 1980, C.J.Hearn reported that pineapple orange, Duncan, and Foster grapefruit were irradiated with 4000 lag ~ (60) Co-gamma rays and also obtained seedless fruits. From a Forster tree grown from irradiated seeds, repeated harvesting of the shoots and reproduction of some of the trees from the shoots after repeated irradiation gave rise to commercial seedless fruits, which were also earlier result. From 1958 to 1960, Tachikawa Tachibana of Japan, the original section with ~ (60) Co-γ rays and X-ray of longevity kumquat, summer orange, Baoshuo and the sun to summer and other varieties