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Method for controlling spartina by clipping

A plant and rice grass technology, applied in the field of harmful plant invasion control, can solve the problems of high labor cost and increased cost, and achieve the effects of high safety, low cost and low survival rate

Inactive Publication Date: 2009-10-07
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention integrates mowing and water level adjustment technologies for the first time, so that Spartina can be eradicated in a single growing season through physical control. However, the labor costs for cofferdams and water level adjustment are relatively high, and the treatment cost per mu in the demonstration area of ​​this invention 4,000 yuan, if the inventive technology is implemented in the low intertidal zone, the cost will increase as the difficulty of the cofferdam increases

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In tidal flat Spartina grass occurrence areas, the mother plant of Spartina grass is selected to be in the seed maturity stage, the plant height of the above-ground part is 80-100cm, the leaves are green, and some old leaves begin to wither; Tiller leaves are unfolded and green. Carry out mowing and weeding under the mud, and the mowing position is 0.1cm-6cm away from the mud surface.

[0023] 3 days after mowing, most of the stumps were taken away by the tide; 30 days after mowing, all the stumps remaining on the mudflat died, and no new Spartina plants grew in the test site; 120 days after mowing, the roots began to die and rot. There are 155 new plants in the treatment area, and the average density of Spartina in the test site is 50 plants / m 2 The plant density decreased by more than 99%; 240 days after cutting, no new plants were found except for the remaining surviving Spartina with tillers. The survey results of root survival showed that except for the 155 plants...

Embodiment 2

[0026] Select the raw Spartina mother plant that year is in the growth period, plant height 40-50cm, leaves are light green; tillering plants 5-15cm, the ground where the leaves are not unfolded, mowing and weeding as in embodiment 1. Control effect is the same as embodiment 1.

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PUM

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Abstract

The invention relates to a method for controlling spartina by clipping, belonging to plant invasion control technology field. The method clips plant of spartina by employing an artificial or mechanical method, moves clipping position below mud, wherein the clipping depth is 0.1-6cm under mud, and the clipping objects comprises mother plant and tiller plant. Spartina is deracinated by suffocation of mud to terrestrial root, once clipping can satisfy require of following culture without need of multiple clipping, cofferdam and water injection, thereby greatly saving preventing and treating cost.

Description

technical field [0001] The invention relates to a method for treating invasive Spartina plants with improved mowing technology, and belongs to the technical field of harmful plant invasion control. Background technique [0002] Spartina is a general term for several plants of the Poaceae Spartina genus. There are mainly four kinds of Spartina in China, namely Spartina anglica Hubbard, Spartina alterniflora Loisel, Spartina cynosuroides (L.) Roth, Spartina patens (Aiton) Muhl.) et al. Spartina and Spartina alterniflora are plants introduced from the United Kingdom and the United States in the 1960s and 1980s to protect tidal flats. For more than 30 years, through artificial planting and natural propagation, it has grown on the coastal beaches of more than 80 counties (cities) from Jinxi County, Liaoning Province in the north to Dianbai, Guangdong Province in the south. The introduction and large-scale planting of Spartina played an important role in resisting wind and wave...

Claims

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Application Information

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IPC IPC(8): A01M21/02
Inventor 尤民生曾兆华和春雷王玉林
Owner FUJIAN AGRI & FORESTRY UNIV
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