The article describes the morphological characteristics and biochemical parameters of Linum thracicum (thracian flax). Taking into account the insufficient study of the species L. thracicum, the work on collecting information about its various properties has an undeniable scientific novelty. The...

According to scientists of the NAAS network, the genetic potential of sunflower hybrids of Ukrainian selection is used in production by no more than 30%. Due to the reduction of the rotation period in crop rotation, crop losses from diseases increased from 10-15% to 35%, and in some favorable years ...

We have investigated the main parameters of water exchange in leaves of Quercus robur L. which grow on the south-facing slope of the Viyskoviy ravine in a variety of water supply conditions. We established that the greatest intensity of transpiration of leaves of Q. robur occurred in the forest...

The localities of Opuntia humifusa (Cactaceae) in the continental part of Ukraine are described. All previous findings reported in Ukraine were made in the territory of the Autonomous Republic of Crimea, where the species sometimes behaves as a transformer and is threatening Crimea's natural...

The data of comparative-anatomical study of structure of stem bark of two vicarious species (Populus tremula L. and P. davidiana Dode) are represented in this article. Methodic of the study was traditional in anatomy of plants. It was established that having a great similarity in the structure of...

Plus trees, selected for the appropriate selection purpose, are the best representatives of natural forest plantations and to a much greater extent carriers of valuable genetic traits. To confirm the genetic ability of such trees to grow rapidly, they are tested in test posterities. In progeny...

According to the evolutionary - morphological analysis of the flower by studied taxa, 39 features were identified that will be formalized and used for phylogenetic analysis of the species. Among the features we have discovered there are features of the flower vascular anatomy, the internal...

The purpose of this work is to determine the taxonomic composition of alien species of the genus Lonicera in the flora of the Right-Bank Ukraine and to study the state of their naturalization. The work is based on floristic field studies in the region and an inventory of the taxonomic composition...

The aim of research was to reveal the features of the prevalence of dendrobiont phylophagous insects with gnawing mouthparts in deciduous stands of streets, parks and Forest park of the city of Kharkiv. Researches were carried out in 2017-2020 by foliage inspection and insects collecting each 1-2...

It is described the taxonomic composition and ecological features of black fly immature stages in watercourses of the subzone of the oak-dark coniferous forests of Belarus. It is common knowledge that black flies are amphibiotic insects, their development and distribution are determined by the...