贵州省辣椒主栽品种抗疫病性鉴定

Identification on phytophthora blight resistance in major cultivars of pepper in Guizhou province

采用灌根法对21个辣椒主栽品种进行了苗期人工接种鉴定。结果表明,对辣椒疫病表现高抗的品种有毕节线椒、雷山朝天椒和遵义朝天椒,表现抗的品种有7个,中抗品种6个,感病品种5个,分别占鉴定总数的14.3%、33.3%、28.6%和23.8%。7个辣椒品种进行田间自然抗性鉴定结果显示,当地普遍种植的湘研系列大辣椒品种高度感病,地方品种的抗病性相对较好,尤其是遵义朝d椒和绥阳辣椒等干椒品种。

Pouring sporangia in roil was used to screen good variety resistant to phytophthora blight among 21 pepper cultivars. The results showed that Bijiexianjiao, Leishanzhaotianjiao, Zunyichaotianjiao were highly resistant. There were 7 resistant varieties, 6 middle - resistant varieties and 5 susceptible varieties. The ratio was 14.3 %, 33.3 %, 28.6 %, 23.8 %, respectively. The results of 7 peppers identified resistance to pepper phytophthora blight in field showed that series of Xiangyan varieties were highly susceptible, and local varieties such as Zunyichaotianjiao, Xiangla-1 and Suiyanglajiao had better resistance, especially dried pepper varieties.