Journal of Plant Pathology & Microbiology

Comparison study of physiology and biochemistry of Paeonia lactiflora Pall

2^nd International Conference on Plant Science & Physiology

June 26-27, 2017 Bangkok, Thailand

Oyungerel Shagjjava, Byamba-Yondon Gurbazarb, Batzaya Gachmaab, Lyankhua Bayasgalankhuua and Usukhjargal Dalaikhuub

National University of Mongolia, Mongolia
Mongolian Academy of Science, Mongolia

Posters & Accepted Abstracts: J Plant Pathol Microbiol

Abstract:

Paeonia lactiflora Pall, a herbaceous perennial herb in the genus Paeonia, family Ranunculaceae is widely distributed in Russian, Mongolia, Korea, Japan and China. P. lactiflora is included in the List of Very Rare Plants and Mongolian Red Book as very rare. There are two kinds of research works in P. lactiflora. The first one is about the influencing factors to number and diameters of flowers. Since it�??s an essentially important medicinal plant, the main focus of the research works were on the biologically active compounds. Unfortunately, the research on its physiology, water relation and water potential of this plant are very rarely conducted. Therefore, we have decided to conduct the comparison study on the water relation, chlorophyll fluorescence, and the simple phenolic content in the wild and the cultivated Mongolian very rare plant of P. lactiflora. The water deficit was lower and water potential was higher in the cultivated (-0.577±0.23 MPa) plant than in the wild plant (-1.403±0.41 MPa). The optimal quantum yield (QY) and ratio fluorescence decrease (Rfd) was higher (1.4-2.1 times) in the cultivated plant than in the wild plant. In addition, the chlorophyll index is higher in the cultivated plant (54.5±7.2) than in the wild plant (46.3±2.53). This result showed that physiological process of cultivated plant is more active than the wild plant. The simple phenolic content was about 1 time higher in the leaves, stem, and tuber of cultivated plant than in the wild plant. Eventually, it could be the optimal solution for conserving the natural wild plants from becoming extinct.

Biography :

Email: oyungerel@num.edu.mn