Abstract
The seeds of Elymus tangutorum infected with Epichloë bromicola were treated by soaked, wet-dry cycle, mechanical damage, and fungicide. The germination time and germination rate the seeds were measured. The results showed that each treatment had a certain effect on the germination of E. tangutorum infected with Ep. bromicola seeds. The total germination rate: wet-dry cycle (soaked for 6h, dried for 6h)> mechanical damage> fungicide (cyclosporin T) immersion (6h)> aseptic water soaked (6h)> CK can be seen from the experimental data. And wet-dry cycle, aseptic water soaked, and mechanical damage have significant effect on increasing the rate of seeds. Among these methods, the germination rate of the seeds treated by wet-dry cycle method was the highest. The treatment has both chemical and physiological functions, thus improving the germination rate and propagation coefficient of seeds.
Highlights
Elymus tangutorum is a perennial forage of the genus Elymus, which has strong adaptability, drought and cold resistance, not easy lodging, developed root system, fresh and tender grass, high crude protein content and good palatability[1, 2]
The seeds of E. tangutorum infected with Epichloë bromicola germination rate is not high
3.2 Effects of different treatments on seeds germination of E. tangutorum infected with Ep. bromicola a positive role in raising the germination rate of E. tangutorum infected with Ep. bromicola
Summary
Elymus tangutorum is a perennial forage of the genus Elymus, which has strong adaptability, drought and cold resistance, not easy lodging, developed root system, fresh and tender grass, high crude protein content and good palatability[1, 2]. How to effectively improve the seed germination rate of E. tangutorum, restore the degraded grassland vegetation community and ecological restoration It is the difficulty of current theoretical and practical research. In this experiment, different pretreatments such as soaked, wet-dry cycle, fungicide method and mechanical damage method were used to promote seed germination[6, 7], shorten the time of germination and improve the survival rate of artificial planting of E. tangutorum. Different pretreatments such as soaked, wet-dry cycle, fungicide method and mechanical damage method were used to promote seed germination[6, 7], shorten the time of germination and improve the survival rate of artificial planting of E. tangutorum
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