Safe control of flowers and trees pests and diseases
Using pesticides to prevent flower and tree diseases and insect pests, it is easy to pollute the environment. Now we introduce several methods for preventing and controlling flower and plant pests and diseases: Spraying method: (1) soaking for 24 hours with 0.5 kg of plant ash and 2.5 kg of water, spraying the flowers with the filtrate to kill plum and rose Flowers and locusts on the pomegranate tree. (2) Spraying the flowers with baking soda at a concentration of 0.1% can prevent powdery mildew on rose, chrysanthemum, impatiens, muscadine, and cineraria, with a control rate of more than 80%. (3) Spray the flowers once every 10 days with urea at a concentration of 2% and spray them 2-3 times, not only killing the above-mentioned locusts, red spiders and other pests, but also making the flowers and leaves bright, flowers. Big and gorgeous. Rubbing method: (1) Wipe the vinegar with a cotton ball and vinegar, which can kill the above scale insects, and the leaves that have been damaged by scale insects can return to green. (2) Use alcohol Repeatedly rubbing the orchid leaves can remove the above scale insects. (3) When the branches of the bonsai bonsai are rotted, they can be scraped off the decayed part of the stump with an iodine-disinfected blade and then rubbed with iodine. Rub it once every 7-10 days to prevent it from rot. Fertilization method: (1) Mix a small amount of silicon fertilizer with fertilization of flowers and plants. After absorption, flowers and trees can increase the firmness of their epidermal cells, thereby enhancing their ability to resist pests. (2) Frequently spreading wood ash can greatly reduce the peony, The incidence of gray mold of flowers such as tulips and cyclamen can also make flowers thick and colorful. Injection method: woody flowers are often harmed by dried insects such as longhorn beetles and wood-moth moths. In severe cases, branches are hollowed out by pests. For the prevention and control of such pests, 20-30 ml of 20% aqueous ammonia may be injected into the wormholes at the hatching period of the larvae of the pests, before emergence of the adult larvae, and during the wintering period of the larvae, and the larvae may be killed by sealing the boring holes with clay or wax. egg.