Ginger is a very important spice in our lives and is loved by modern health-care people. Many farmers also grow. However, some farmers often encounter ginger rickets in the process of planting ginger. There are many ways to spread ginger rickets, and there will be symptoms of decay and depletion. It is the peak period of occurrence and prevalence from mid-July to mid-September. It is more difficult to prevent and control, so how to prevent it?
1, rotation
Ginger disease is a soil-borne disease. The pathogen can survive for more than 2 years in the soil. For the plots that have already occurred, it is recommended to plant ginger at intervals of 3 years. In the middle, wheat, corn and other food crops can be grown. It is not recommended to grow tomatoes, peppers, etc. crop.
2, soil treatment
It is recommended to use lime nitrogen (calcium cyanamide) for soil treatment. In the month before ginger planting, it is recommended to use 50 kg of lime nitrogen combined with decomposed farm organic fertilizer (pig manure, straw, etc.) in an acre of land, mix and mix, sprinkle Apply to the field and water, be sure to cover with plastic film for more than 20 days, and then planting the soil.
3, ginger seed disinfection treatment
Ginger is selected in the disease-free ginger plot. After the ginger is harvested, it is dried for 3 days and then stored. The ginger can be soaked in a 400% solution of 64% carbendazim powder for 30 minutes, or sterilized with ash.
4, soil preparation
It is recommended to ridge planting, because in some years the rain is large, the Jiangtian drainage is not smooth, it is easy to accumulate water, causing the ginger to rot, the ginger ditch is recommended not to exceed 20 meters, and 80 kg of lime per acre.
5, fertilization and watering
Do not use farmer ginger or diseased plants to make farmyard manure. Farmyard manure must be fermented before it can be used. It is recommended to use it together with microbial agents. Ginger belongs to the crop of hi-fertilization and fertility. One mu of land is recommended to fertilize farmyard manure 900 kg, urea 15 kg, superphosphate 30 kg, potassium sulfate 25 kg and 1 kg borax + 1 kg zinc sulfate. Watering must not be flooded with large water to prevent ridges and to avoid the spread of germs.
6, disease plant treatment
If the microbial agent can be used for rooting treatment at the beginning of the disease, it should be watered once every 7 days, used twice, or treated with iprodione + chrysanthemum, and once every 7 days, once every 2 days.
When the diseased plants are found in the field, they should be removed immediately, and the healthy plants within 50 cm should be removed. The extracted plant holes should be limed 0.5 kg and buried with soil to prevent the spread of the disease.
7, pest control
In June, there were mainly corn borers and other holes drilled in the base of ginger, which can be sprayed with 20% chlorantraniliprole 3000 times.
The above are the preventive measures for ginger and ginger rickets. At present, there is no drug that can be completely prevented and controlled, and there is no ideal disease-resistant variety. Farmers can master the above preventive measures and avoid the loss caused by ginger and ginger rickets in time.
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