Identification on Causal Agent of Dragonfruit Stem Rot and Indoor Determination of Fungicide Toxicity
The stem rot disease of dragon fruit was diagnosed and the casual pathogen was isolated and identified. Dragonfruit varietal differences in resistance to the disease were investigated. The results showed that the casual agent was Bipolaris cactivora. White dragonfruit with yellow peel showed the highest resistance to the fungus, followed, in sequence, by white dragonfruit with red peel, and red dragonfruit with red peel. Eight fungicides were screened, and the result showed that propiconazole (25％EC) had the best control effect.
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万方数据
维普
