BACKGROUND Closely related invasive species may often displace one another, but it is often difficult to determine mechanisms because of the historical nature of these events. The leafmining flies Liriomyza sativae and Liriomyza trifolii have become serious invasive agricultural pests throughout the world. Where both species have invaded the same region, one predominates over the other. Althoug...

The effects of various insecticides on the fluidity of mitochondrial membranes and cross-resistance were investigated in the diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae) using strains that were both resistant and susceptible to avermectin. The resistant strain of P. xylostella, AV-R, developed 1078-fold resistance to avermetins with a high level of cross-resistance to t...

Aim. Obtaining of the tomato lines cvs. Money Maker and Lahidny in presence polyfunctional preparations Avercom Nova cytological analysis their influence on root cells. Methods. Cotyledons 10–11-day-old seedlings were cultivated MST medium for 1–3 months 1 mg/l zeatin, indole-acetic acid 25 µl/l or Nova. Then, regenerated grown supplemented with biopreparations month. The roots plants fixed sol...