Peculiarities of Brachypodium pinnatum (L.) Breauv. reproduction in the conditions of Saratov oblast

The article presents the results of the study of the reproductive peculiarities in Brachypodium pinnatum (L.) Breauv. The data on the growth of the plant in a various forest vegetation communities in the national park «Khvalynsky» (Saratov region) are given. It is established that B. pinnatum is characterized a sexual mode of seed reproduction and obligatory allogamy. Its reproductive strategy is based on the combination of vegetative and seed reproduction. The effectiveness of seed reproduction depends both on the degree of plants illumination, and the degree of the habitat humidification.