Farina Alessia, Barbera Antonio C, Leonardi Giovanni, Massimino Cocuzza Giuseppe E, Suma Pompeo, Rapisarda Carmelo
Applied Entomology Section, Department of Agriculture, Food and Environment (Di3A), University of Catania, 95123 Catania, Italy.
Agronomy and Field Crops Section, Department of Agriculture, Food and Environment (Di3A), University of Catania, 95123 Catania, Italy.
Insects. 2022 Apr 1;13(4):351. doi: 10.3390/insects13040351.
Although many crops have developed several adaptation mechanisms that allow them to defend against limiting factors, some biotic and abiotic stresses may cause reversible or irreversible changes in plants. Among the biotic stresses, the whitefly (Gennadius) (Hemiptera: Aleyrodidae) is probably one of the main important pests that negatively affect several vegetable crops that are grown in greenhouses. The present study evaluated its impact on the morphology and physiology of two solanaceous plants, i.e., tomato ( L.) and eggplant ( L.), under laboratory conditions. The results showed that, for tomatoes, plant height, shoot dry weight, leaf area, and indirect chlorophyll content were strongly reduced in infested plants, compared to the uninfested control, by 39.36%, 32.37%, 61.01%, and 37.85%, respectively. The same has been shown for eggplant, although the reduction percentages of plant height, root dry weight, and indirect chlorophyll content were less marked (i.e., 16.15%, 31.65%, and 11.39%, respectively). These results could represent interesting information for a better understanding of the influence on plant growth, as well as for the development of management strategies to successfully control its infestations in a cropping system.
尽管许多作物已经形成了多种适应机制，使其能够抵御限制因素，但一些生物和非生物胁迫可能会导致植物发生可逆或不可逆的变化。在生物胁迫中，烟粉虱（Gennadius）（半翅目：粉虱科）可能是对温室种植的几种蔬菜作物产生负面影响的主要重要害虫之一。本研究在实验室条件下评估了其对两种茄科植物，即番茄（L.）和茄子（L.）的形态和生理的影响。结果表明，对于番茄，与未受侵染的对照相比，受侵染植株的株高、地上部干重、叶面积和间接叶绿素含量分别显著降低了39.36%、32.37%、61.01%和37.85%。茄子也有同样的情况，尽管株高、根干重和间接叶绿素含量的降低百分比不太明显（分别为16.15%、31.65%和11.39%）。这些结果可能为更好地理解其对植物生长的影响以及制定管理策略以成功控制其在种植系统中的侵染提供有趣的信息。
