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- Guo, M. X., et al. Show all 8 Authors
- Plant disease 2014 v.98 no.8 pp. 1153
- Alternaria alternata; DNA primers; Tagetes erecta; agar; beans; color; conidia; conidiophores; flowers; fungi; genes; genetic databases; growth chambers; internal transcribed spacers; leaf spot; leaves; light intensity; pathogenicity; photoperiod; planting; polymerase chain reaction; relative humidity; ribosomal DNA; China; Japan
- ... Marigold (Tagetes erecta) is an important commercial crop and 200 ha are planted every year in the Beijing district of China. A leaf spot disease of T. erecta was observed during 2012 and 2013 in the Beijing district. The disease was widespread, with 60 to 75% of the fields affected. Leaves of the affected plants had small, brown, necrotic spots on most of the foliage. Yield losses of flowers of u ...