The ingenious use of plant ash in the prevention and control of flower diseases and insect pests

Plant ash can not only supply potassium and other nutrient elements of flowers, but also play a good role in the control of flower diseases and insect pests.

1. Prevention and control of leaf blight: plant ash, tea cake, sulfur powder and lime are used to control leaf blight: 1 kg of plant ash, 1 kg of tea cake, 1 kg of sulfur powder and 1.5 kg of lime are used to control leaf blight. 1.5 to 2.5 grams are applied to flowers prone to leaf blight.

2. prevention and control of leaf spot: mix 3 kg of plant ash and 1 kg of quicklime powder, 40 to 60 grams in each basin, or sifted and sprayed with powder, or sprinkle plant ash separately.

3. Control of root rot: plant ash has a good control effect on flower root rot. The specific operation method is to peel off the soil at the root and remove the soil around the rotten root. Scrape off the root bark of the disease, and each plant is covered with 0.5 to 1 kg of plant ash and covered with soil.

4. Prevention and control of powdery mildew: for flowers with powdery mildew, the root soil with a depth of 5 to lO centimeters can be removed from the trunk, and each plant is covered with ash of 0.5 to 3 kilograms.

5. prevention and control of seedling diseases: flower nursery is easy to occur blight and anthracnose at seedling stage. When humidity is high and temperature is low, seedling disease occurs seriously, often a large number of dead seedlings. Plant ash can be used to spread along the ridge, with a dosage of 20 to 25 kg per mu.

6. control aphids: sift the plant ash at the end of the grind, spray the plant ash on the aphids when the dew is not dry in the morning (or sprinkle water first), or shake it with gauze and sprinkle it again every three or five days for 2 to 3 times.

7. Prevention and control of root maggots: when root maggots are harmed in the seedling stage of flowers, 30 to 40 kg of plant ash can be applied per mu in the seedling field if it is easy to cause drug damage by irrigation with pesticides. The application method is to spread the plant ash evenly on the border at the seedling stage, and then turn and hoe evenly, so that the ash is fully mixed with the soil. You can also apply plant ash in the ditch before sowing or planting, and then sow or plant.

8. control of underground pests: when raising seedlings, the seedling land of bulbous flowers is often harmed by underground pests such as grubs, which can be obviously reduced by using plant ash as base fertilizer or covering seed blocks with plant ash.