确定土耳其爱琴海地区葡萄园中的 Trichogramma euproctidis 对主要害虫欧洲葡萄蠹蛾 Lobesia botrana(鳞翅目:旋蛾科)的药效

B. Güven, F. Özsemerci, F. Altindisli, B. Mıhcı, N. Keskin, O. Aşçıoğul
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引用次数: 0

摘要

欧洲葡萄蠹蛾(Lobesia botrana)是造成土耳其大部分葡萄种植区作物损失的最重要害虫,主要以花序和葡萄浆果为食。本研究的目的是确定在爱琴海地区最大的葡萄产区伊兹密尔的梅内门区的一个有机葡萄园中释放本地卵寄生虫 Trichogramma euproctidis 对抗 L. botrana 的效率和最有效剂量。在这种情况下,为了找到最有效的寄生虫,使用了两种不同的释放剂量:75 000 和 100 000 寄生虫/公顷。根据收获前释放寄生虫的地块和未释放寄生虫的地块葡萄串中害虫的侵扰率来比较寄生虫的效果。2017 年、2018 年和 2019 年,释放 100 000 头寄生虫/公顷(12%、4% 和 5%)和 75 000 头寄生虫/公顷(7.5%、11% 和 1.1%)的地块虫害率分别低于对照(25%、33% 和 70%)。在 2018 年和 2019 年,高释放剂量(100 000 头寄生虫/公顷)共施用 5 或 6 次最有前景,虫害发生率最低。在这项研究中,首次在土耳其确定了本地卵寄生虫 T. euproctidis 的最有效释放剂量(100 000 头/公顷)。总之,研究结果将鼓励在有机和综合葡萄种植计划中使用这种寄生虫。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Determination of Trichogramma euproctidis efficacy against the key pest, European grapevine moth, Lobesia botrana (Lepidoptera: Tortricidae) in the Aegean region vineyards, Turkey
European grapevine moth Lobesia botrana is the most important pest causing crop losses in most of Türkiye’s grape growing regions, feeding mainly on inflorescence and grape berries. This study was carried out to determine the release efficiency and the most efficient dose of the native egg parasitoid, Trichogramma euproctidis against L. botrana in an organic vineyard located in the Menemen district of Izmir, in the Aegean Region, which has the largest grape production area. In this context, two different release doses at 75 000 and 100 000 parasitoids/ha were applied to find the most effective one. The effectiveness of the parasitoid was compared in terms of pest infestation rates in grape bunches from parasitoid-released and non-released plots just prior to harvest. The infestation rates in plots released 100 000 parasitoids/ha (12, 4 and 5 %) and 75 000 parasitoids/ha (7.5, 11 and 1 1 %) were lower than control (25, 33 and 70 %) in 2017, 2018 and 2019, respectively. In 2018 and 2019, the high release dose (100 000 parasitoids/ha) applied five or six times in total was the most promising with the lowest pest infestation rates. In this study, the most effective release dose (100 000 parasitoids/ha) of the native egg parasitoid, T. euproctidis, was determined for the first time in Türkiye. In conclusion, the results obtained from the study will encourage the use of this parasitoid in organic and integrated grape growing programs.
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