If diseases and insect pests occur in flowers in the family, if they are controlled with pesticides, they are likely to pollute the environment. If improper use of pesticides occurs, it will also cause phytotoxicity. Here are some ways to prevent diseases and pests that are easy to use in the home, low cost and little pollution. Grass ash is crushed with 500 grams of plant ash and weighed 2.5 kg. After immersing for a day and night to remove impurities, the affected plants can be sprayed with the filter solution to effectively kill the worm. Ammonia garden flowers and trees exposed to insect pests such as longhorn beetle, gizilid, and wood-moth moth can be injected with 20% ammonia 20-30 ml from the upper hole of the larvae during the larval hatching period, before emergence of the adult larvae, and when the larvae are overwintering. Seal the clay or wax for 30 to 40 minutes to kill the larvae or cockroaches. If the root of the woody flower is rotted, the iodine can be completely scraped off to a depth of xylem, and then smeared with iodine, and then smeared once every 7 to 10 days. Not only can it be completely cured, but over time, the main spot can be prominent. It has become increasingly strange and interesting. Liquor: After white wine and water are mixed in a ratio of 1:5, apply it on the site damaged by scale insects and aphids. Once a week, kill the pests 3 to 4 times in a row. The washing powder is sprayed with a neutral detergent 500 to 800 times, which has a good effect on the control of aphids, acarids, whitefly, and scale insects, and has the effect of controlling the hatching of lice eggs. Vinegar with vinegar 50 ml, the cotton ball in the vinegar after the wet, and then with a cotton ball stained with vinegar on the leaves of Camellia gently wipe, you can kill the scale insect, but also make the scale insect Damaged leaves turn green again.
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