[ Objective] To explore the growth characteristics of domestic and introduced alfalfa varieties and provide scientific guidance for the intro- duction of superior alfalfa varieties. [Method] A total of 17 domestic and...[ Objective] To explore the growth characteristics of domestic and introduced alfalfa varieties and provide scientific guidance for the intro- duction of superior alfalfa varieties. [Method] A total of 17 domestic and introduced alfalfa varieties were selected. Through a three-year compari- son of varieties, their biological characters, plant height, branch density, fresh forage yield, leaf stem ratio and other traits were detected and ana- lyzed. [ Result] All the tested alfalfa went through the cold winter between 2006 and 2008 and could finish the reproductive cycle. The forage yield per plant and the plant height of the domestic alfalfa varieties were the highest, but their branching ability and the leaf stem ratio were lower. The European alfalfa varieties had strong branching capability, and the leaf yield of the American alfalfa varieties was the highest. [ Conclusion] The do- mestic alfalfa varieties have suoerior oerformances, while the introduced alfalfa varieties have better aualities.展开更多
基金supported by National Basic Research Program of China (973 Program) (2007CB108906)
文摘[ Objective] To explore the growth characteristics of domestic and introduced alfalfa varieties and provide scientific guidance for the intro- duction of superior alfalfa varieties. [Method] A total of 17 domestic and introduced alfalfa varieties were selected. Through a three-year compari- son of varieties, their biological characters, plant height, branch density, fresh forage yield, leaf stem ratio and other traits were detected and ana- lyzed. [ Result] All the tested alfalfa went through the cold winter between 2006 and 2008 and could finish the reproductive cycle. The forage yield per plant and the plant height of the domestic alfalfa varieties were the highest, but their branching ability and the leaf stem ratio were lower. The European alfalfa varieties had strong branching capability, and the leaf yield of the American alfalfa varieties was the highest. [ Conclusion] The do- mestic alfalfa varieties have suoerior oerformances, while the introduced alfalfa varieties have better aualities.
