对采后 "红球 "葡萄中的斑翅果蝇(双翅目:果蝇科)进行植物检疫冷处理

IF 3.1 3区 农林科学 Q1 HORTICULTURE
Tian-Bi Ma, Bo Liu, Yan Fang, Wen-Na Gao, Qing-Ying Zhao, Zhi-Hong Li, Guo-Ping Zhan
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引用次数: 0

摘要

斑翅果蝇(Drosophila suzukii (Matsumura))目前分布在中国和其他 59 个国家的主要软皮水果产区,对进口国构成严重威胁。为了防止这种入侵蝇的国际传播,已经开发出了最佳的植物检疫处理方法,包括熏蒸、辐照和冷处理。为了确定最耐寒的阶段并促进植物检疫处理技术小组(TPPT)所要求的技术日程表的制定,我们对'红地球'葡萄中未成熟阶段的 D. suzukii 进行了冷处理。对重复试验中 0 °C 和 2 °C 的剂量-死亡率数据进行了协方差分析、线性回归和 probit 分析。结果表明,3 天大的蛹是最耐寒的阶段,其次是 1 天大的蛹、4 天大的幼虫和 6 小时大的卵,耐寒性相似。2 d 大的幼虫是最敏感的阶段。在随后的确证试验中,根据 probit-9 值的 probit 估计值,将 3 d 大的蛹分别在 0 °C 和 2 °C 下冷处理 9 和 10 天,以及 10 和 12 天。除了 2 °C 10 天处理中的一个畸形成虫外,确认试验中没有成虫出现。因此,建议的处理时间表要求果实温度低于 0.00 °C(或 1.62 °C),连续天数不少于 10 天(或 12 天),在 95% 的置信水平下,处理效果分别不低于 99.9960%(或 99.9955%)。这些时间表将提交给 TPPT,用于制定植物检疫处理标准。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Phytosanitary Cold Treatment of the Spotted Wing Drosophila (Diptera: Drosophilidae) in Postharvest ‘Red Globe’ Grapes
The spotted wing drosophila, Drosophila suzukii (Matsumura), is currently distributed in the main soft-skinned fruits production areas in China and 59 other countries, presenting a significant threat to importing nations. Optimal phytosanitary treatments, including fumigation, irradiation, and cold treatment, have been developed to prevent the international movement of this invasive fly. To determine the most cold-tolerant stage and facilitate the development of the technical schedules requested by the Technical Panel on Phytosanitary Treatment (TPPT), cold treatments of D. suzukii immature stages in ‘Red Globe’ grapes were conducted. Dose–mortality data at 0 °C and 2 °C from repeated trials were subjected to analysis of covariance, linear regression, and probit analysis. Results identified 3 d old pupae as the most cold-tolerant stage, followed by 1 d old pupae, 4 d old larvae, and 6 h old eggs with similar tolerance. The 2 d old larvae were the most sensitive stage. In subsequent confirmatory tests, 3 d old pupae were subjected to cold treatment at 0 °C for 9 and 10 days, and at 2 °C for 10 and 12 days, based on the probit estimation of the probit-9 value. No adult emergence occurred in the confirmatory tests except for one deformed adult from a 2 °C 10 d treatment. Therefore, the recommended treatment schedule requires fruit temperatures below 0.00 °C (or 1.62 °C) for no less than 10 (or 12) continuous days, with treatment efficacy not less than 99.9960% (or 99.9955%) at a 95% confidence level, respectively. These schedules are intended for submission to TPPT for the development of phytosanitary treatment standards.
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来源期刊
Horticulturae
Horticulturae HORTICULTURE-
CiteScore
3.50
自引率
19.40%
发文量
998
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