Common flower disease control

AUTHOR： DATE：2016/6/14 14:55:49 VISITS：

1, black spot

  Mainly against leaves, petioles and young shoots, when the early onset of the blades, the front appeared purple-brown to brown dots, after expanding more round or amorphous dark brown spots. It can be sprayed with carbendazim, thiophanate-methyl, reaching Ning and other drugs.

2, powdery mildew

  Against leaves, both sides appear white powder, early symptoms is not obvious, powdery layer appears 3 - 5 days, the leaves were water-soaked, gradual loss of green to yellow, causing serious injury when the leaves fall off. Onset of spraying carbendazim, triadimefon can, but Guoguang British satisfied that the best results.

3, leaf blight

  Most tip or leaf margin invasion, early yellow dots, after the rapid expansion of irregular large inward spots, seriously affected the whole leaf blight 2/3, the Ministry of disease chlorosis yellow, brown dry off. Prevention and treatment of the above diseases in addition to strengthening the management of fertilizer, the winter should cut off diseased leaves diseased branches, remove fallen leaves underground, reducing early invasion of origin, should adopt comprehensive prevention and control of onset, and spraying carbendazim, thiophanate-methyl and other sterilization agents.