Recently, the technical service staff of the Anqiu Red Sun agricultural resource chain reminded the majority of Jiangnong friends that there was a lot of rain this fall, and it was necessary to guard against the rooting of the root disease in the ginger.
Last autumn, there was less rain in Shandong, and ginger root disease occurred less frequently. This year, contrary to this situation, especially since late August, frequent rainfall and less sunny days have caused soil moisture in the ginger ditch to be very high, and water has accumulated for a long time, resulting in severe root damage. There have been many cases of dead trees.
It is understood that due to continuous cropping, the accumulation of pathogenic bacteria in the soil continues, and the dead roots caused by diseases of the roots are becoming increasingly serious. This year, especially under the conditions of continuous rain and rain this year, the field is prolonged with high temperature and humidity, the ginger grows weak, and the roots are seriously injured. , can easily cause outbreaks of root diseases. At present, there are mainly three root diseases that cause dead ginger trees: root rot, root rot, and ginger borer. For this reason, it is recommended that everyone do a good job in preventing ginger root disease.
Measures: 1. After the rainfall, take care to eliminate ginger ditch water, avoid rooting, and create favorable conditions for disease infestation. 2. After discovering that some ginger strains are susceptible, they should be immediately removed and sprayed or ditched. Douning, clorox isocyanuric acid, 3,000 can be killed, and DuPont Kelu should be controlled. Focus on prevention. Afterwards, isolate the diseased plants. In the ginger ditch, which is 1 meter before and after the ginger, seal the ditch with mud to prevent water from flowing when it is watered so as not to spread around. 3. Cushion chitin, chlorophyll, etc., to improve ginger resilience.
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