摘要：The karst area in Guizhou,China has a complex ecological environment and abundant wild plant resources,and Rosaceae plants therein have a characteristics of fast growth,strong adaptability and barren tolerance.A variety of fruits,dried fruits,ornamental plants,aromatic plants,and medicinal plants belong to the Rosaceae family,with great economic and ecological value.Therefore,this study selected 10 representative species of Rosaceae forage plants in Guizhou karst area of China,applied the subordinate function method to comprehensively evaluate their nutritional quality,and divided them into 3 levels according to the average subordinate function value: level I is Prinsepia utilis Royle and Rosa multiflora Thunb.; level II is Pyracantha fortuneana (Maxim.) Li,Rubus niveus Thunb.,Rubus innomina-tus S.Moore,Duchesnea indica (Andr.) Focke,Co-toneaster horizontalis Dene.; level III is Rosa cy-mosa Tratt.,Rosa omeiensis Rolfe and Rosa rox-burghii Tratt.Through the evaluation of the comprehensive nutritional quality of 10 species of Rosaceae forage plants,it aims to provide a reference for the development and utilization of forage in the next step,so as to promote the development of herbivorous animal husbandry in karst rocky desertification areas.
关键词：Rosaceae;subordinate function method;nutritional quality;evaluation
