Self-made chemicals control flower pests, how to identify flower diseases and control them

There are many kinds of insect pests on flowers, and some self-made pesticides can achieve good results in controlling flower pests. The method is simple and saves money.

1. Tobacco: it has the effects of stomach poison, contact killing and fumigation. Due to its strong permeability, it can cause nerve paralysis and death of pests. Usage is to use tobacco stalks or leftover cigarette butts (to remove the filter), add water 50 to 60 times, soak for one day and night, filter and spray to control aphids, red spiders and newly hatched scale insects.

2. Wind oil essence: diluting the wind oil essence 600 times to 800 times can control aphids, shell insects, moths and butterflies larvae, and 400 times 600 times liquid can control red spiders.

3. Mosquito-repellent incense: the ignited mosquito-repellent incense is hung on the flower plant, sealed with plastic film and smoked for about 10 minutes, which can kill whitefly pests.

4, soapy water: take general soapy water or use the remaining soap to break the head of thin slices, with hot hydration, according to 1:60 proportion to add water, cooling after spraying, can control aphids, red spiders. If you soak cigarette butts in soapy water (except soot), it can not only improve the effect of controlling aphids and red spiders, but also control thrips, whitefly and leafhoppers. But soapy water can not be used for a long time, otherwise it will cause basin soil alkalization.

5. Washing powder: it has a strong contact effect on insect pests. The detergent solution can dissolve the waxy layer on the surface of the insect and seep into the insect, blocking the stomata on the surface of the insect and suffocating it to death. The usage is: 200 to 300 times liquid can control leafhopper. 600-800 times can control red spiders, aphids and ostracods. Should choose neutral detergent to use.

6, garlic liquid: take 0.5 kilograms of garlic, mash into fine garlic paste, add 12 kilograms of water, stir into a pulp, soak and filter, spray on the ground or basin soil surface, can control ants or earthworms.

7. Onion liquid: take 1 kilogram of green onion leaves, dry and grind them into powder and add 7.5 kilograms of water, soak and filter and spray, which can control aphids and snails.

8. Onion liquid: take 20 grams of onion head, pound it into a fine mud, add 1000 ml of water to soak for 24 hours, filter and spray, which can prevent red spiders and aphids.

9. Pepper water: take 100 grams of pepper and boil 3 kilograms of water. Spray after cooling can control shell insects.

10. Vinegar: spray bottled vinegar on water 5 times and 6 times, every 3 days, to control shell insects. (sun Yude)