ryegrass

The ryegrass rust (Puccinia coronate) may infect many grasses, particulary ryegrass.

黑冠锈病是由禾冠柄锈菌所致，除危害黑外还可侵染多种禾本科牧。

Ryegrass (Lolium L.), a graminaceous crop, is one of the most important grasses for forage and turf, and widely distributes in temperate regions.

摘要黑是重要的牧坪，是畜牧业坪业重要的产业支柱。