The article quotes data on fruits biochemical composition for 101 varieties of peach from Nikita Botanical Garden collection. 88 varieties have been singled out according to the composition of bioactive substances. Among those varieties the North China and Iran ecological and geographical groups prevail (52.3% and 37.5%, respectively).

The article quotes data on fruits biochemical composition for 101 varieties of peach from Nikita Botanical Garden collection. 88 varieties have been singled out according to the composition of bioactive substances. Among those varieties the North China and Iran ecological and geographical groups prevail (52.3% and 37.5%, respectively).

In the collection initial material of china squash we found the variety from China Zoria Schodu (Star of Orient) with short length of stem. It is the new genetical donor for the breeding «bush» varieties. Inheritance length of stem in china squash is dominant.

In the collection initial material of china squash we found the variety from China Zoria Schodu (Star of Orient) with short length of stem. It is the new genetical donor for the breeding «bush» varieties. Inheritance length of stem in china squash is dominant.

Main directions and results of Research on genetic diversity of maize in China and their practical use in breeding are represented.

Main directions and results of Research on genetic diversity of maize in China and their practical use in breeding are represented.