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Method for controlling alternanthera philoxeroides by using omnivorous insects and/or monophagous insects

A technology for Eclipta philoxeroides and insects is applied in the field of controlling Eclipta chinensis, which can solve the problems of high cost, difficulty in cleaning, environmental pollution and the like

Inactive Publication Date: 2021-09-07
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The prevention and control methods of Litonia philodendron are more, including physical control, chemical control and biological control etc., these methods have all been applied in the control process of Litonia philodendron, but there are also many weak points; wherein physical control The method is usually mechanical mowing or manual removal, which requires a large amount of work and is not easy to remove; chemical control methods usually use herbicides, which have quick results in a short period of time, but consume high costs and cause environmental pollution; although biological control methods are slow to take effect, they can More economical, and the proven method will not have a large impact on the food chain and ecosystem

Method used

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  • Method for controlling alternanthera philoxeroides by using omnivorous insects and/or monophagous insects
  • Method for controlling alternanthera philoxeroides by using omnivorous insects and/or monophagous insects

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Embodiment

[0030] The specific test site is: Jiangsu University, Zhenjiang City, Jiangsu Province, and the test plot is a special test site for the School of Environmental and Safety Engineering.

[0031] The present invention replaces and controls the philodendron philodendron by ecological methods, and the specific process is as follows:

[0032] (1) In June, the required experimental materials Eclipta philodendron and two plant-eating insects were obtained from the green area of ​​the campus and the suburbs of the city. multiplication in box;

[0033] (2) Sieve the experimental soil from the green area of ​​the campus, remove the remaining plant roots in the soil, and put it into four hard plastic pots with a diameter of 1m and a height of 0.2m after exposure to the sun;

[0034] (3) carry out further processing with the philodendron chinensis, select the stem of the philodendron philodendron with good growth and uniformity, cut into plant fragments comprising two stem nodes (no term...

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Abstract

The invention belongs to the technical field of environmental ecology, and relates to a method for controlling alternanthera philoxeroides by using omnivorous insects and / or monophagous insects. The method comprises the following specific steps: firstly, a field invaded or easily invaded by alternanthera philoxeroides is selected; then omnivorous insects and monophagous insects are captured under the field natural condition and placed in an insect culture device to expand the population scale; in order to guarantee insect populations, the number and male-female proportion of each kind of insects put into the insect culture device during primary culture are limited; in addition, in order to prevent population degeneration, field insect sources need to be supplemented into the culture device at set intervals; the cultured omnivorous insects and / or monophagous insects are put into a field invaded by alternanthera philoxeroides; the result shows that the biomass of the overground part and the underground part of alternanthera philoxeroides is obviously reduced, and the reduction amplitude of the biomass of the overground part and the relative growth potential reaches 50%, so that the growth of alternanthera philoxeroides can be obviously inhibited after the insects are put, and the effect is obvious.

Description

technical field [0001] The invention belongs to the technical field of environment and ecology, and in particular relates to a method for using facultative insects and / or special-eating insects to control Lily chinensis. Background technique [0002] Lianzia philodendron, also known as water peanut, hollow lotus, is a perennial amphibious plant. It is a malignant weed with strong invasive ability. Grass grows naturally and expands rapidly, encroaching on cultivated land and silting river courses, seriously threatening the ecological environment of more than 30 countries and regions including China, Australia, India, Laos, Thailand, Mexico, and the United States. [0003] The prevention and control methods of Litonia philodendron are more, including physical control, chemical control and biological control etc., these methods have all been applied in the control process of Litonia philodendron, but there are also many weak points; wherein physical control The method is usual...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01K67/033A01M99/00
CPCA01G13/00A01K67/033A01M99/00A01M2200/011A01M2200/012
Inventor 游文华张惜嘉李宁宁张进杜道林
Owner JIANGSU UNIV
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