来自咖啡相关树木的extrafloral花蜜作为捕食虫的替代食物
Rafael Stempniak Iasczczaki1, Angelo Pallini1, Madelaine Venzon1,2
1Department of Entomology, Federal University of Viçosa, Viçosa, MG, 36570-900, Brazil.
Experimental & applied acarology
|December 5, 2024
概括
来自Inga树的extrafloral花蜜支持在咖啡农林系统中捕食虫Amblyseius herbicolus的生存和发展. 然而,仅靠花蜜并不能支持繁殖,这表明需要补充食物来源来有效控制害虫.
科学领域:
- 农业生态 农业生态学
- 昆虫学 昆虫学是一门学科.
- 植物与动物之间的相互作用
背景情况:
- 农业中的植物多样性通过支持自然敌人来增强自然害虫防治.
- 植物生长花蜜的植物,如Inga spp. 在咖啡农林业中,可以吸引自然敌人,潜在地减少害虫密度.
- 植物性虫是咖啡害虫的重要自然敌人,但它们与Inga外花蜜的相互作用还不太清楚.
研究的目的:
- 为了评估英加是否有教育的意义. 植物外的花蜜是捕食虫Amblyseius herbicolus的一个合适的营养资源.
- 确定英加花外蜜对咖啡生态系统中A. herbicolus的发展,生存和繁殖的影响.
主要方法:
- 进行了实验室实验,以评估Inga edulis花外蜜对Amblyseius herbicolus的发育,生存和繁殖的影响.
- 虫在不同的生命阶段被食植物外的花蜜或花粉,以评估它们的营养适应性.
主要成果:
- 来自Inga edulis的extrafloral花蜜支持了Amblyseius herbicolus的发展和生存.
- A. herbicolus的繁殖 (排卵) 不仅仅是通过花外花蜜来维持;对于排卵,花粉饮食是必要的.
- 在花蜜上发展的虫需要花粉用于随后的产卵,而在花粉上发展的虫在食花蜜时停止了卵巢.
结论:
- 交叉种植的英加树可以通过提供花外花蜜来为咖啡农林系统中的捕食虫种群的保护做出贡献.
- 虽然英加花蜜有助于虫的生存和发育,但它可能不能完全支持繁殖,这表明它在生物控制中起着补充作用.
- 需要进一步的研究,以了解英加花外蜜对通过掠食性虫介导的咖啡害虫控制的直接影响.
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