Replacement control method of wedelia trilobata by utilizing microstegium ciliatum

A technology that replaces control and weed bamboo, applied in the direction of botany equipment and methods, application, horticulture, etc., to achieve the effect of reducing cost, simple and convenient implementation and reducing the scope of spread

Pending Publication Date: 2020-04-28
HUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no report of which plants can be used to control wedelia

Method used

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  • Replacement control method of wedelia trilobata by utilizing microstegium ciliatum
  • Replacement control method of wedelia trilobata by utilizing microstegium ciliatum
  • Replacement control method of wedelia trilobata by utilizing microstegium ciliatum

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Trial of Substitute Control of Wedelia americana by Bamboo Bamboo (Sowing in April)

[0052] The experiment was carried out in Huizhou College, Huizhou City, Guangdong Province. Wedelia seedlings were planted in the test site, with an average plant height of 15.26 cm and a row spacing of 14×20 cm. The sowing time of Astragalus was April 10, 2016. After shallow plowing, sow Bambusa japonica at a rate of 300 kg / ha; the thickness of the covering soil after sowing is 1 to 3 cm. On December 6, 2016, the survey recorded the fresh weight of Wedelia per square meter per unit area in the replacement area and the control area, and the control effect was calculated using the fresh weight. The control effect of Wedelia (%)=(fresh weight of Wedelia in the control area -Fresh weight of Wedelia in the treatment area) / fresh weight of Wedelia in the control area×100 (the same below). The results are shown in Table 1. The results of the experiment showed that the growth of Bambusa ja...

Embodiment 2

[0056] Trial of Substitute Control of Wedelia americana by Bamboo Bamboo (Sowing in August)

[0057] The test was carried out at Huizhou University, Guangdong Province on August 25, 2017. There are no crops planted in the experimental site, and a large number of Wedelia species grow vigorously on the ground. It is a single superior community of Wedelia species. The sowing time of Astragalus is August 25, 2017. On December 16, 2018, we investigated and recorded the fresh weight of Wedelia per square meter per unit area in the Bamboo bamboo replacement area and the control area, and used the fresh weight to calculate the control effect. The results are shown in Table 2. The test results show that, sowing in August, the effect of substituting wedelia for controlling wedelia in that year is slightly worse. When surveyed in December, the control effect reached 72.40%.

[0058] Table 2 Effects of Bamboo weedae on control of Wedelia americana (sowed in August)

[0059]

[0060...

Embodiment 3

[0062] Field experiment on control of Wedelia chinensis by Bamboo spp. (planting seedlings in May)

[0063] The experiment was conducted at Huizhou University, Guangdong Province on May 16, 2018. Wedelia chinensis grew densely and luxuriantly in the experimental site, and it was a single-excellent community of Wedelia chinensis. On May 16, 2018, the ground at the edge of the 3×3m Wedelia community was slightly leveled, and then the seedlings were planted. The planting rate was 10,000 plants / ha, and the height of the seedlings was about 20 cm. On December 1, 2018, the fresh weight of Wedelia per square meter per unit area was investigated and recorded in the Bamboo bamboo replacement area and the control area, and the control effect was calculated using the fresh weight. The results are shown in Table 3. The test results show that planting the seedlings of Bamboo spp. in summer in the wedelia community has a good control effect on wedelia in the same year.

[0064] Table 3 Ef...

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Abstract

The invention provides a replacement control method of wedelia trilobata by utilizing microstegium ciliatum. The replacement control method comprises the following steps: planting microstegium ciliatum seedlings; cutting off upper ends of seedling stems; removing part of leaves and apical buds; and performing sufficient watering in a week after sowing or planting of microstegium ciliatum seedlings. The technical implementation is simple and convenient to operate and has low requirement for staff who implement the replacement control technique, replacement control on wedelia trilobata can be achieved through microstegium ciliatum, and the wedelia trilobata can be constantly controlled without specific management, and an excellent effect for conserving water and soil can be achieved, and theeconomic value of soil can be increased. Therefore, the replacement control method has great ecological value and social and economic values.

Description

technical field [0001] The invention relates to the technical field of plant control, in particular to a method for substituting wedelia for controlling wedelia by using bamboo bamboo. Background technique [0002] South American Wedelia (such as figure 1 Shown) is a plant of the genus Wedelia in the family Asteraceae, also known as Wedelia trilobata, which originates in tropical America and is now widely distributed in many countries and regions in Southeast Asia and the Pacific Ocean. invasive alien species". South American Wedelia is mainly distributed in Guangdong, Hong Kong, Hainan, Taiwan and southern Fujian in China. At present, it has become the most common weed in southern China. It crowds out native plants and grows into a single superior community, destroying the local ecosystem and becoming a serious hazard. of invasive alien plants. South American Wedelia grows rapidly, has strong asexual reproduction ability, and has strong tolerance to adverse environments....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/00
CPCA01G22/00
Inventor 曾令达彭长连孙锋刘婷英蔡滢源
Owner HUIZHOU UNIV
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