Aphids, red spiders, and scale insects are the most common pests that harm flower trees. They can harm a variety of flowers and trees, woody flowers such as Milan, jasmine, Chinese rose, smiling, plum, herbaceous flowers such as chrysanthemum, geranium, pouch flowers.
First, the locust control methods: (a) with fresh pepper or 50 grams of dry red pepper, add 30 to 50 grams of water, cook for about half an hour, with its filtrate spraying the affected plants. (b) Use detergent 3-4 grams, add 100 grams of water, stir into a solution, and spray 2 or 3 times. (3) Mix 600-800 times liquid with Fengyoujing water, spray carefully on the pests with a sprayer, make the worm body stained with liquid medicine, and kill the aphids and scale insects with the effect of more than 95%, but do not produce drugs for the plants. harm. (D) Wash powder, urea, and water at a ratio of 1:4:100 and stir it into a mixture. Spray the plant and receive both insecticide and fertilizer.
Second, the red spider red spider is also called short mustache, endangering the flowers of the leaves, flowers, bonsai wild pheasant, bird plum, pine needles, etc. are also vulnerable to red spider harm. Control methods: (a) soaked with orange peel about 10 times for 24 hours, filtered and sprayed with the filtrate after planting. (2) Take 50g of turfgrass and add 2500g of water, stir well, soak for 48 hours, filter, add 3g of detergent and mix well, spray once a day, spray for 3 days, and spray for 3 days every other week. (C) with a litter of mosquito coils, placed in diseased pots, and then tied with plastic bags and pots, smoked for about 1 hour, adults and eggs can be killed.
Third, the shell insect scale insect body is covered with a layer of horny shells, such as direct spray with drugs, it is difficult to work. Control methods: (1) Use liquor to water, with a ratio of 1:2. When controlling insects, pour the surface of potted soil. (b) Use vinegar (rice vinegar) 50 ml, soak the small cotton balls in vinegar and wipe them with a wet cotton ball on the damaged stems and leaves of the flowers to wipe off the scale insects. . This method is convenient and safe. It can not only achieve the purpose of removing insects, but also make the damaged leaves return green. (3) Wiping the diseased branches gently with alcohol can remove the scale insects, which is invisible to the naked eye. It can also completely kill, and the scale insects are rarely found in the second year.
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