豇豆抗病毒病篩選及抗病品種之選育

Abstract

為害本省豇豆病毒種類經鑑定有二種，即為黑眼豇豆嵌紋病毒(Blackeye cowpea mosaic virus, 簡稱BICMV)和胡瓜嵌紋病毒(Cucumber mosaic virus, 簡稱CMV)，這二種病毒均可經由機械傷口或蚜蟲媒介傳播，二種病毒單獨感染豇豆植株時，僅造成植株葉片出現濃綠不均之輕微嵌紋病徵，若複合感染，則病徵會由嵌紋轉為皺葉嵌紋，葉片變形縮小，嚴重時會使植株生長停頓，豆莢扭曲變形，影響品質和產量極大。 Two different viruses have been detected from asparagus bean in Taiwan, there are cucumber mosaic virus (CMV) and blackeye cowpea mosaic virus(BICMV), both of them are transmitted by mechanical injuring and aphid vectors. These two viruses caused only minor damages on asparagus bean when they infected the host singly.