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由柑桔衰退病毒(citrus tristeza virus,CTV)引起的茎陷点病,是世界上许多柑桔生产国家如巴西、澳大利亚、日本和秘鲁等的重要柑桔病害,该病主要为害敏感的柑桔品种,与所用砧木无关。枸头橙(Citrus aurantium)是浙江黄岩桔区特有的砧木种,具有许多优良的栽培特点。前人的研究结果表明,它用作甜橙的砧木时,耐苗黄型衰退病。作者研究发现它对茎陷点病非常敏感,被害严重。1986年以来,作者对枸头橙茎陷点病的发生、茎陷点病对枸头橙植株的树势、产量和果型等的影响、病原病毒的鉴定以及致病力的测定等进行了研究,结果简报如下。
Stem-pit disease caused by citrus tristeza virus (CTV) is an important citrus disease in many of the world’s citrus-producing countries such as Brazil, Australia, Japan and Peru, and the disease is mainly sensitive to citrus Variety, has nothing to do with the stock used. Citrus aurantium is a unique rootstock species in Zhejiang Huangyan Orange Zone, and has many excellent cultivation characteristics. Previous research results show that it is used as a rootstock of sweet orange, resistant to yellow-type recession disease. The study found that it is very sensitive to stem-point disease, severely victimized. Since 1986, the authors studied the occurrence of Dang Tou orange stalk, the influence of stem pitting disease on the tree vigor, yield and fruit type of Citrus aurantiacus, the identification of pathogenic virus and the determination of pathogenicity Research, results briefings are as follows.