论文部分内容阅读
该病主要发生在上部叶片,发病初期叶片出现黄绿色水浸状小点,后期病斑变铁锈色,而且因失去叶肉只剩下表皮而显得薄脆。该病在高温高湿环境下发展很快,后期落叶严重。防治时喷施2%的加收米(春雷霉素)600倍液+72%的
The disease occurs mainly in the upper leaves, the early onset of the leaves appear yellow-green flooding dot, later lesions become rust color, but also because of the loss of mesophyll leaving the epidermis and appear thin and crisp. The disease developed rapidly in high temperature and humidity environment, late deciduous. Sprayed 2% of the control when the rice (kasugamycin) 600 times the liquid + 72%