Prevention and Control of Black spot of Orchid

1223 Control of black spot of orchids.

Black spot, also known as anthracnose, is the same type of blue disease as leaf spot, round spot and so on. The main cause of this disease is that the temperature is too high and the plant is too wet, the fast-growing new grass is the most likely to develop the disease, and the high incidence period of black spot is in the late summer and the whole autumn. Orchid friends in this period must be careful, to observe more, as soon as the disease is found, it is necessary to prevent and cure immediately.

Black spot disease usually should be prevention-oriented, the method is to take medicine every 10 days or half a month, once a week in the high incidence season.

The treatment of black spot disease, according to my experience: after discovering the disease, immediately control the water until the basin is whitish, use carbendazim or topiramate, add water in proportion every 3 days, generally treat 3murmurle 5 times will be effective, if the observation of 10Mube 15 days, found that the black spot in the orchid leaf does not spread or does not become larger, it shows that the prevention and control has been successful! In the future, all we have to do is take normal precautions. For those with small black spots, let her do as she likes, and for those with large black spots, just cut off the diseased leaves. Upload some pictures of black spot for your reference