Apple replant disease (ARD) is a severe problem in orchards and tree nurseries caused by yet unknown soil biota that accumulate over replanting cycles. This study tested the contribution of nematodes to ARD, cultivation Tagetes as control option. In pot experiment, patula or tenuifolia were grown ARD soil, incorporated removed. Nematodes extracted from untreated washed on 20-µm sieves induced s...

Stem and bulb nematode, Ditylenchus dipsaci (Kühn, 1857) Filipjev, 1936, is a plant parasitic nematode that causes significant losses in production the world. One of promising methods for control soil-borne diseases pests do not accumulate nature green manure application. Studies on effectiveness stem are limited. In this study, activity 4 species from Brassicaceae family one Tagetes patula L. ...

Examples of atypical structure the embryonic apparatus indicator plants in Donbas are highlighted. Many years experience conducting phytoindication experiments (1998–2022) made it possible to identify accounting sites with contrasting geochemical characteristics and monodominant ingredient pollution. Registered abnormalities considered as variants extreme structural polymorphism natural flora u...