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Biological replacement method for controlling malignant invasion weed solidago canadensis L.

A biological replacement and yellow flower technology, applied in the fields of botany equipment and methods, plant cultivation, plant protection, etc., can solve problems such as difficulty in control, and achieve the effect of strong drought tolerance, strong operability, and maintaining regional ecological balance.

Inactive Publication Date: 2019-06-14
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a biological alternative method for controlling the vicious invasive weed Solidago canadensis, to solve the problem that Solidago canadensis spreads rapidly and is difficult to control in the above-mentioned background technology

Method used

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  • Biological replacement method for controlling malignant invasion weed solidago canadensis L.

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The field planting method of wormwood replacing goldenrod canadensis is based on the life cycle of goldenrod canada and wormwood, on March 29, 2018 at a rate of 1-3g / m 2 Wormwood seeds (smaller seeds) are planted in dots with a depth of 1cm.

[0026] Field Substitution Effect of Wormwood on Solidago canadensis

[0027] The experimental results show that: after a complete growth period of 8 months, until November 30, 2018, when the harvest is measured, wormwood has a significant inhibitory effect on Solidago canadensis. In the 2×2m quadrat, the canopy coverage of Dendrobium canada decreased from 98.56% to 8.92%, the seed yield decreased from 1033g to 77g, the height decreased from 142cm to 41cm, and the aboveground biomass decreased from 16.77kg to 3.25kg (Table 1).

Embodiment 2

[0029] The field planting method of reed replacing solidago canadenica is based on the life cycle of goldenrod canada and reed, at 2-6g / m on March 20, 2018 2 The density of reed seeds (larger seeds) is planted in dots, and the depth is 2cm.

[0030] Field substitution effects of reeds on Solidago canadensis

[0031] The experimental results show that after 8 months of complete growth period, the harvest test will be carried out on November 30, 2018, and the reed has a significant inhibitory effect on Solidago canadensis. In the 2×2m quadrat, the canopy coverage of Dendroa canadensis decreased from 98.56% to 7.80%, the seed yield decreased from 1033g to 56g, the height decreased from 142cm to 22cm, and the aboveground biomass decreased from 16.77kg to 1.54kg (Table 1).

Embodiment 3

[0033] The field planting method of combining wormwood and reed to replace goldenrod canada is based on the life cycle of goldenrod canada, mugwort and reed, at 1-3g / m on March 25, 2018 2 The density of wormwood seeds is sown in horizontal strips, with a depth of 1cm and a row spacing of 15cm; after that, it is 2-6g / m 2 The density of reed seeds is sown in vertical strips, with a depth of 2 cm and a row spacing of 20 cm.

[0034] Substitution effect of wormwood and reed on Solidago canadensis in the field

[0035] The experimental results show that after 8 months of complete growth period, the harvest test will be carried out on November 30, 2018, and the reed has a significant inhibitory effect on Solidago canadensis. In the 2×2m quadrat, the canopy coverage of Dendrobium canada decreased from 98.56% to 3.53%, the seed yield decreased from 1033g to 17g, the height decreased from 142cm to 13cm, and the aboveground biomass decreased from 16.77kg to 0.49kg (Table 1).

[0036]...

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Abstract

The invention belongs to the field of malignant weed prevention and control in the field of ecological invasion, and particularly relates to a biological replacement method for controlling malignant invasion weed solidago canadensis L.. The method comprises the step of replacing the solidago canadensis L. with wormwood and / or reed for planting. As is shown by the result, the replacement effect onthe solidago canadensis L. is shown in the description of wormwood<reed<wormwood+reed. The method is simple and practicable, secondary disasters are not caused, and the purpose of relieving and effectively controlling the sprawl of the population of the solidago canadensis L. can be achieved.

Description

technical field [0001] The invention belongs to the field of prevention and control of malignant weeds in the field of ecological invasion, and in particular relates to a biological substitution method for controlling the malignant invasion weed Solidago canadensis. Background technique [0002] Solidago canadensis L. is a vicious invasive weed that can regenerate sexually and asexually. In addition to its strong competitiveness and environmental adaptability, it has successfully invaded more than ten weeds in Jiangsu, Anhui, etc. in my country. province. Solidago canadensis grows very rapidly in the late stage of invasion, enough to overwhelm other annual plants, monopolize one side of the land, destroy plant diversity, make the plant community structure simple, and affect the performance of ecological service functions; secondly, it has caused serious damage to agricultural production such as soybeans, sorghum, and wheat. Harm; Finally, Solidago canadensis can produce a la...

Claims

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Application Information

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IPC IPC(8): A01G22/00A01G13/00
Inventor 任光前陈琪庞芳李健戴志聪王从彦万凌云杜道林
Owner JIANGSU UNIV
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