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данной работы -выявление перспективных сортов жимолости по важнейшим хозяйственно полезным признакам, в том числе и биохимической продуктивности. По итогам исследований приведены результаты биохимической продуктивности, урожайности и массы плодов жимолости различных сортов селекции ФИЦ ВИР им. Н. И. Вавилова. Выявлены сортовые изменения по биохимическим показателям: аскорбиновая кислота, Р-активные соединения. Выделены лучшие сорта для дальнейшей селекционной работы: Виола, Маша и Омега. Ключевые слова: жимолость, сорт, плод, масса, урожайность, биохимическая продуктивность Summary. The tasks of this work were to identify the promising honeysuckle varieties on the most important economic and the useful features, including the biochemical productivity. The results of biochemical productivity, yield and weight of honeysuckle berries of different varieties of N. I. Vavilov's All-Russian Institute of Plant Genetic Resources breeding are presented. The varietal changes in biochemical parameters such as ascorbic acid, P-active compounds, were revealed. The best varieties Viola, Masha and Omega for further breeding work are selected.

Blackberry is a new berry crop of industrial horticulture in the central part of Russia. More than 20 blackberry varieties were collected at the experimental sites of the SPC “Agropishcheprom". The paper presents the results of the study of 11 modern blackberry varieties. During preparation for winter, the plants were covered with covering material, and therefore, no winter damage was found during the years of research. A fluctuation in the accumulation of positive temperatures during the period of fruit formation and maturation, affecting the biochemical parameters and taste of fruits, was revealed. There is also a difference in the amount of precipitation over the years, which affects the average fruit weight. Thus, in 2020, during the formation and maturation of the fruits, 40% less precipitation fell in comparison with 2019, which led to a decrease in the average fruit weight. As a result of the research, the varieties were grouped according to maturation period, fruit average weight and taste. Selected varieties for use in breeding for large-fruited are the following: Natchez, Karaka Black, Black Butte and Triple Crown. Loch Maree, Natchez, Polar, Triple Crown, Black Butte and Karaka Black varieties were characterized by high taste qualities.

Blue honeysuckle has successfully become one of the industrial berry crops of the XXI century. The area of blue honeysuckle plantations in Russia exceeds 500 hectares. More than 210 varieties of blue honeysuckle of Russian and foreign breeding were collected at the experimental sites of the SPC “Agropishcheprom”. As a result of the breeding work carried out, the Michurinskoye Divo blue honeysuckle variety, which has a set of requirements for industrial varieties, was transferred to the state variety testing. The main problem when laying commercial blue honeysuckle plantations is the lack of high-quality planting material of new varieties. Planting material of blue honeysuckle, on an industrial scale, is obtained in several ways: hardwood cuttings, soft wood cuttings and in vitro method. The work presents the results of studying the influence of planting material obtained by various methods and used when establishing plantations for the growth, development and formation of productivity of the Michurinskoe Divo blue honeysuckle variety. The positive influence of the in vitro propagation method for the qualitative indicators of the root system of the obtained seedlings, growth activity, potential productivity and yield in the production plantings of the Michurinskoe Divo blue honeysuckle variety, in comparison with seedlings obtained by other reproduction methods, was revealed.

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