网斑病在贵州是多年生黑麦草草场的重要病害,已对牧草生产构成了较大威胁。由于此病的为害,导致另一些真菌的次生侵染,使感病植株的叶片大量枯死,严重影响了鲜草的利用和草种质量。牧用草场采用适牧刈割措施,能有效控制其为害;草籽繁殖场应重点抓好5月盛发期的药剂防治。 Net blotch is an important disease of perennial ryegrass in Guizhou, which has posed a great threat to the production of forage grass. Due to the damage of the disease, secondary infection of other fungi causes the leaves of the infected plants to die a lot, seriously affecting the utilization of fresh grass and the quality of the grass. Pasture pasture mowing measures used to effectively control its damage; grass seed breeding ground should focus on the pharmaceutical control during the flourishing May.