柑橘大实蝇对柑橘品种的选择及复杂环境的响应

2013年在麻阳县的混栽橘园调查了不同柑橘品种的柑橘大实蝇为害情况,同时在永顺县的橘园研究了柑橘大实蝇为害与周边环境的关系.结果表明,柑橘大实蝇对不同柑橘品种的产卵喜好程度为脐橙＞蜜橘＞冰糖橙＞椪柑,对脐橙的最早为害时间为6月19日左右,温州蜜柑和冰糖橙为6月25日左右,椪柑为7月19日左右;冰糖橙和椪柑的假产卵果比例较大,其果实硬度稍大于其他品种;周边有高大松树和其他灌木的橘园虫果率发生严重,而离高大松树和其他灌木距离超过100m的橘园虫果率较轻.

Selection of Citrus Varieties and Response of Complex Environment with Tetradacuscitri Chen

The damage of Chinese citrus fly （Tetradacuscitri Chen） with different citrus varieties was investigated in Mayang in 2013, meanwhile, the relation of the damage of Chinese citrus fly and the environment was researched in Yongshun. The results showed that the like varying degree of spawning to Chinese citrus fly with different citrus varieties ordered as navel orange〉 satsuma mandarin〉 Citrus sinensis 〉Citrus reticulata Blanco cv. Ponkan, the earliest damage time to navel orange was about June 19th, while satsuma mandarin and Citrus sinensis was about June 25th, Citrus reticulata Blanco cv. Ponkan was about July 19th; The spawning fruit of Citrus sinansis and Citrus reticulata Blanco cv. Ponkan had no Chinese citrus fly, while the firmness of those fruit were bigger than another citrus varieties; The fumigate fruits with Chinese citrus fly would occur seriously as the periphery of orchards were around the tall pine trees and other shrubs, and that would rarely occur as the tall pine trees and other shrubs were away from the orchards over 100m.