苯甲酸阿维菌素对硬皮豚鼠卵黄素（SgVg）及其受体的生物特征和表达的亚致死效应

IF 2.5 2区农林科学 Q1 AGRONOMY

Crop Protection Pub Date : 2024-10-04 DOI:10.1016/j.cropro.2024.106971

Tielong Xu , Cao Zhou

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引用次数: 0

摘要

苯甲酸阿维菌素（EMB）是一种常用的杀虫剂，用于控制农业和森林害虫。为促进其在害虫综合治理（IPM）中的合理使用，研究人员评估了 EMB 对瓜氏硬皮虫发育和繁殖的亚致死效应。亚致死剂量的 EMB（LD10 和 LD30）显著降低了 F0 代雌虫的寿命和繁殖力。在 F1 代中，亚致死剂量显著缩短了幼虫发育时间和雄性寿命，但显著延长了雌性寿命。此外，与对照组相比，LD30处理使F1雌虫的产卵数显著减少了20.72%。与对照组（CK）相比，LD30 处理明显降低了净生殖率（R0）。此外，LD10 和 LD30 处理组的平均世代时间（T）都明显延长。与对照组相比，LD10 和 LD30 组中 SgVg 和 SgVgR 基因的表达量明显降低，这可能是导致雌性繁殖力降低的关键因素。这些结果表明，亚致死剂量的 EMB 能明显降低瓜氏鳖的成虫寿命和繁殖力。这些研究结果对于利用瓜氏天牛和 EMB 制定林业害虫的 IPM 战略非常实用。

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Sublethal effects of emamectin benzoate on biological characteristics and the expression of vitellogenin (SgVg) and its receptor in Sclerodermus guani

Emamectin benzoate (EMB) is a commonly used insecticide for controlling agricultural and forest pests. To facilitate its rational use in integrated pest management (IPM), the sublethal effects of EMB on the development and reproduction of Scleroderma guani were evaluated. Sublethal doses of EMB (LD₁₀ and LD₃₀) significantly reduced the longevity and fecundity of F₀ females. In the F₁ generation, sublethal doses significantly reduced larval development duration and male longevity but significantly extended female longevity. Additionally, the LD₃₀ treatment significantly decreased the number of laid eggs in F₁ females by 20.72% compared with the control group. The net reproductive rate (R₀) was significantly declined by the LD₃₀ treatment compared with the control group (CK). Furthermore, the mean generation time (T) was significantly extended in both LD₁₀ and LD₃₀ treatment groups. Compared to the control group, the expression of SgVg and SgVgR genes in the LD₁₀ and LD₃₀ groups was significantly lower, which may be a crucial factor for the reduced fecundity of the females. These results indicate that sublethal doses of EMB significantly reduced adult longevity and fecundity of S. guani. The findings are practical for developing IPM strategies for forestry pests using S. guani and EMB.

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来源期刊

Crop Protection 农林科学-农艺学

CiteScore

6.10

自引率

3.60%

发文量

200

审稿时长

29 days

期刊介绍： The Editors of Crop Protection especially welcome papers describing an interdisciplinary approach showing how different control strategies can be integrated into practical pest management programs, covering high and low input agricultural systems worldwide. Crop Protection particularly emphasizes the practical aspects of control in the field and for protected crops, and includes work which may lead in the near future to more effective control. The journal does not duplicate the many existing excellent biological science journals, which deal mainly with the more fundamental aspects of plant pathology, applied zoology and weed science. Crop Protection covers all practical aspects of pest, disease and weed control, including the following topics: -Abiotic damage- Agronomic control methods- Assessment of pest and disease damage- Molecular methods for the detection and assessment of pests and diseases- Biological control- Biorational pesticides- Control of animal pests of world crops- Control of diseases of crop plants caused by microorganisms- Control of weeds and integrated management- Economic considerations- Effects of plant growth regulators- Environmental benefits of reduced pesticide use- Environmental effects of pesticides- Epidemiology of pests and diseases in relation to control- GM Crops, and genetic engineering applications- Importance and control of postharvest crop losses- Integrated control- Interrelationships and compatibility among different control strategies- Invasive species as they relate to implications for crop protection- Pesticide application methods- Pest management- Phytobiomes for pest and disease control- Resistance management- Sampling and monitoring schemes for diseases, nematodes, pests and weeds.