| Forage Germplasm Resources are important material foundation for development grassland animal husbandry, and they are basic material or gene pool for the selection and cultivation of new good varieties. In the 1980s, China established a gene pool on forage germplasm resources and save storage after planting, the initial identification and breeding. Using the theory of crop germplasm resources and the methods of forage germplasm research, the characteristics on forage germplasm resources centre library for material storage were evaluated, the major findings were as follows:1,Forage germplasm resources centre library is abundance of material storage, there are 9593 shares, which belong to 67 families, 411 genera and 1000 species.Germplasm types have local germplasm resources, introduced pasture resources, domestic ordinary pasture resources, wild germplasm resources, cultural resources and growing forage germplasm resources. The endemic germplasm resources have 33 species; Wild species and wild relative species of cultivated forage have 133 species; There are 114 species through the national examination registration; There are 27 outstanding grass through the national identification and screening.2,Result showed that the proportion of germination rate of domestic grass above 90% was less than oversea grass, there were a lot of difference between domestic grass and oversea grass.3,The ruler of growth, flowering and seeding was ascertained by analyzing the data on the various types of pasture with the period of bearing and phenological phase. There were much more difference between various families and species by analyzing 1000-grain weight, and there was a huge influence on biotope to 1000-grain weight.4,Families were divided into six types and genera were divided into 15 types of nine variations in the World Bureau of seed plants by the classifying viewpoint of Academician WU Zheng-Yi. Tropical plant flora occupied much large proportion in the flora, which are match with the nature of tropical origin of China's Flora.5,The study showed that the phenotypic characterizations have a trend to cluster by region, which was reflect ecological adaptation and relativity between germplasm characteristics and ecological environment. There was a little difference between same origin or similar origin , whereas, there was much more difference. Therefore, we should reduce the collection of repetition in the same region during the period of collecting resources, especially of emphases in the different region.6,The resources of centre library have a outstanding economic value .Forages of excellent grade have 199 species, good grade have 156 species, fair forages have 183 species, low forages have 23 species and poor forages have 4 species, 22 species of them were poisonous plants, 10 species were harmful plants; Edible plants have 29 families ,73 genera and 114 species in the centre library, which are classified into starch plants, vegetable plants, fruit plants, beverage plants, spices and oil plants; Pastures have 57 families, 207 genus and 310 species in the centre library with medicinal merit, useful apparatus for medicine dealt with roots, stems, leaves, flowers, fruits, seeds and so on, theirs active ingredients involved apiece sort organic compounds in the plant chemical ingredient, theirs function can cure illness at 13 aspects; their industry merit included plant fiber and resin, rubber plant, habitat plants included improving habitat plants, landscaping plants and germplasm plants.7,To ascertain the emphases of the collecting germplasm resource for the future should collect in Tibet, Inner Mongolia, Xinjiang, Qinghai, Sichuan, Gansu, Yunnan, Henan and Hunan provinces by compared distributing region of all the pasture resources with distributing region of entering library pasture resources. Some advices on the collecting and preserving germplasm resource for the future were put forward, and we should lucubrate with plenty excavation, using and taking effective measures to protect it. |
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