How is ginger yellow leaf disease?
There are many reasons for the yellowing of ginger leaves, mainly bacterial invasion. During the curing period, improper curing or unsuitable environment will cause leaf blight, ginger blast and anthracnose of ginger. Too much watering, unreasonable water and fertilizer or too strong light during the growth period can also cause the leaves to turn yellow.
Treatment of ginger yellow leaf disease
1. After the leaves of ginger turn yellow, it is necessary to prune the yellow dead leaves. After pruning, fertilize them, water them properly and give them enough light.
2. Spraying chemicals on ginger regularly, generally spraying carbendazim or chlorothalonil 1 time on ginger within 20 ~ 30 days. If sprayed regularly, it can prevent pests and diseases.
Specific medicine for ginger yellow leaf disease
Ginger yellow leaf disease should be sprayed with turmeric Ling Ye, carbendazim and kresoxim-methyl. , once every 5 ~ 7 days, 2 ~ 3 times in a row, and handle it at any time when it is found later.
Prevention of ginger yellow leaf disease
1. Ginger is not resistant to strong light. In summer, a sunshade net can be built to reduce the light intensity, increase the environmental temperature for ginger growth, increase the relative humidity of the air and maintain the soil humidity.
2. Ginger needs the support of fertilizer during its growth. When applying fertilizer, we should apply more organic fertilizer and high-quality soil miscellaneous fertilizer, and supplement medium and trace element fertilizers in time to make the leaves green.
3. To grow ginger, you need to choose a good soil, preferably a ginger field with organic fertilizer. You must pay attention to leveling, ploughing and raking.