The use of pesticides to control flower and tree pests and diseases is likely to pollute the environment. Four methods for safe control of flower and tree pests and diseases are introduced. Glass Revolving Doors ,Revolving Doors ,Manual Revolving Door PAD Automatic Doors Technology Co., Ltd. , http://www.shrevolvingdoor.com
First, the spraying method (1) with 0.5 kg of grass ash with water 2.5 kg, soak for 24 hours, take the filter spray, can kill the aphids above the plum, rose, pomegranate and so on.
(2) Spraying with a concentration of 0.1% baking soda liquid can control powdery mildew of flowers such as rose, chrysanthemum, impatiens, wood hibiscus, and cineraria, and the prevention rate can reach over 80%.
(3) Spraying the urea solution with a concentration of 2% every 10 days, even spraying 2 times to 3 times, can kill pests such as aphids and spider mites on the flowers and trees.
Second, the rubbing method (1) using cotton balls to eat vinegar, rubbing on the camellia leaves, not only kills the scale insects, but also leaves the leaves that have been damaged by the scale insects back to green.
(2) Repeatedly rubbing the orchid leaves with alcohol to remove the above scale insects.
(3) The bonsai branches are rotted, and the rotted part of the stump can be scraped off with the iodine-sterilized blade, and then the iodine can be rubbed and rubbed once every 7 to 10 days to prevent further rot. .
Third, the fertilization method (1) when the fertilization of flowers and trees, a small amount of silicon fertilizer, after the absorption of flowers and trees, can increase the hardness of the epidermal cells, thereby enhancing the ability to resist pests.
(2) Sprinkling grass ash often can greatly reduce the incidence of flower gray mold such as peony, tulip, cyclamen, etc. It also plays a role in promoting the strong flowering and beautiful colors.
Fourth, the injection method woody flowers are often endangered by dried beetles such as beetles, gibber eggs, wood stupid moths, etc., which can cause the branches to be hollowed out. In order to control this kind of pests, 20% to 20 ml of 20% ammonia water can be injected into the wormholes during the hatching period of the larvae of the pests, before the adults are emerged, and when the larvae are overwintering, then the pupils can be sealed with clay or wax to kill. Larva eggs.