苜蓿品种抗锈性评价

The Study on the Evaluation of the Rust-resistance on the Alfalfa Varieties and Their Mechanism of Rust-resistance.

对１１２份苜蓿品种做了抗锈性鉴定和评价。结果表明，品种间的抗锈性程度存在着很大差异。综合抗锈性和丰产的性能，阳高苜蓿、草原２号、爬蔓苜蓿、兰花苜蓿可直接在生产中利用；高度抗病但丰产性能不佳的材料，如鄂旗苜蓿可作为苜蓿抗病育种的抗源材料。

he identification and the evaluation have been done on the 112 aifaifa varieties (or material). The resuit showedthat the rust-resistance extent among the aifaifa varieties existed a great diference. Comprehending the rust-resistance ane the high yielding abikty of the aifaifa varieties; Yang Gao, Prairie2, climbing aifaifa and orchid aifaifa may usedirectly in the production; The highest of the rust-resistance of varity is ErQi aifaifa, but its yieid ability is worst, so it be used the rust-resistance source material of the disease-resistance breeding. Furthemore, the preliminary seudy of the rust-resistance mechanism of the aifaifa varieties has done.