Oxytropis Glabra Endophyte And Its Relationship With Seedling Resistance Research

Oxytropis glabra belongs to Leguminosae O., alias inebriate speargrass, perennial herbs, which growth in the steppe, desert steppe and desert area of low humidity on the ground, and sometimes become the dominant species on the edge of the basin and the salt wet sand .It is a mild salt-tolerant plants in the meadow, which is considered desert and grassland areas of salt health and one of the characteristics of meadow. O. glabra has many advantages such as strong stress resistance,drought tolerance, cold resistance, and it is poisonous plant for livestock.In this study we used the O. glabra infected fungal endophyte seeds and plants for the material, for the detection of fungal endophyte in the PDA medium of fungal endophyte on the isolation and culture. And used divest seed coat and fungicide, for the ways to build endophyte (endophyte or endophyticfungi) infected (EI) and endophyte uninfected (EF) of O. glabra populations.By comparing the EI and EF populations under normal conditions (control) and osmotic stress, phosphorus stress seed germination, seedling growth, such as differences, study on fungal endophyte to explore their host plant direct and indirect effects.The results showed that: O. glabra endophyte of the plant in its position on the existence of leaves under the skin, Distribution in the stem are slightly. The existence place on its seeds is in the inner seed coat. Colonies were round, swell, neat edge, radial growth of white, Cell secretoried dark brown pigment material, the back of colonies is black.Fungal endophyte on the seed germination rate of no significant effect (P <0.05).Osmotic stress and phosphorus deficiency in the case of coercion fungal endophyte are O. glabra promoted the growth of seedlings.