Plant for controlling damage of fall webworms and simple environmental application method of plant to urban greening trees
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A technology of American white moth and greening trees, which is applied in the fields of botany equipment and methods, plant protection, gardening methods, etc., can solve the problems such as the absence of American white moth, and achieve simple and easy acquisition methods, simple and easy methods, Good ecological and social benefits
Inactive Publication Date: 2012-09-19
王添
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There are domestic researches on the killing effect of its extract on diamondback moth and other pests, but there is no research on the effect on American white moth, and there is no report on its effect on American white moth or other pests.
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example 14
[0018] Example 14 kinds of plants of the genus Artemisia affect laboratory test results on American white moth pupation
[0019] Select 1.0 g each of the chopped tissues (root, stem, and leaf) of 4 common Artemisia plants, Artemisia ivandulaefolia, Artemisia annua, Artemisia absinthium, and Artemisia japonica, and grind them in a mortar and press, respectively. Use 50 milliliters of acetone (analytical pure) ethanol (analytical pure) and water, stir and shake well, filter after standing for about 1 hour, and the acetone, ethanol, and water extracts are respectively used as the liquid to be tested for subsequent use
[0020] Leaves of sycamore (Platanus orientalis) and poplar (Populus bonatii) were respectively immersed in the test solution of 4 kinds of Artemisia plants, soaked for about 20 seconds, taken out and dried, and placed in culture boxes. The 5th instar American white moth test worms on the leaves of poplar were placed on the corresponding leaves, and 20 test worms w...
example 22
[0030] Example 22 kinds of plants of the genus Artemisia affect outdoor test results on the pupation of the American white moth
[0031] On October 20th, select 3000-4000 grams of chopped tissues (root, stem and leaf) of wild mugwort Artemisia iavandulaefolia and Artemisia annua that have good indoor effects on white moths, grind them in a mortar and press, and add 2 : 1 tap water or 1% edible sugar water, select the French sycamore (Platanus orientalis) tree and poplar (Populus bonatii) tree (Populus bonatii) that American white moth harms seriously, every group 3, repeat 3 times, for the convenience of investigation, before spraying Cover the area around 30 cm under the tree with straw mats, sprinkle it once every 5-7 days, for 3 times in a row, investigate the number of pupations from November 20th to December 10th, and use the corresponding tree species survey without Artemisia plants in the same habitat as a control , with the pupation rate of the control as 100%, investi...
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Abstract
The invention provides a plant for controlling damage of fall webworms and a simple environmental application method of the plant to urban greening trees. The simple environmental application method of the plant to urban greening trees is characterized by including: cutting harvested whole plants of Artemisia lavandulaefolia into 2-3cm long pieces, placing into a vessel, adding 1-2% of edible sugared water, and mixing well; and when Artemisia lavandulaefolia leave the trees to overwinter each year, mixing and grinding the Artemisia lavandulaefolia with the edible sugared water according to a ratio of 2:1, scattering mixed Artemisia lavandulaefolia at the position of 20-30cm around each shade tree, covering all of Artemisia lavandulaefolia with earth once every 5-7 days, and continuously covering for two to three times. By the method, pupation rate of fall webworms is lowered by 60-75%. The plant and the method have the advantages that the natural resource Artemisia lavandulaefolia of China is fully utilized, the plants of Artemisia lavandulaefolia grow massively around China and appear everywhere, obtaining Artemisia lavandulaefolia is simple and easy, and accordingly waste can be turned into wealth; and Artemisia lavandulaefolia is nontoxic to higher animals and beneficial lives, the application method of Artemisia lavandulaefolia to urban greening trees is simple and easy, the cost of the method is about one twentieth of that of the existing methods, evident economic benefit is achieved, and great ecological benefit and social benefit can also be achieved.
Description
technical field [0001] The invention belongs to the field of biological pesticides, and in particular relates to a simple and environment-friendly method for controlling wild mugwort plants harmed by American white moth and used in urban greening trees. Background technique [0002] The American white moth (Hyphantria cunea) is a worldwide quarantine pest with miscellaneous feeding habits, large reproduction rate, strong adaptability, wide transmission route and serious harm. After it was introduced into my country in the late 1970s, it expanded rapidly. It has been found to be distributed in Liaoning, Hebei, Shandong, Tianjin, Beijing, Shanghai, Henan, Shaanxi and other provinces and cities. The harmful areas are still spreading. The most serious invasive pests that cause devastating disasters have posed a serious threat to my country's sustainable economic development and ecological security. American white moth can harm more than 200 kinds of forest trees, fruit trees, cr...
Claims
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