Method for replacing and controlling cenchrus paciflorus by sunflower

A technology for controlling Tribulus vulgaris and alternative control, which is applied in the fields of botanical equipment and methods, horticulture, and application, can solve the problems of patents and reports on the lack of alternative control of Tribulus terrestris, and achieves significant control effect, simple planting method, The effect of eliminating human and material resources

Inactive Publication Date: 2012-12-19
INST OF ENVIRONMENT & SUSTAINABLE DEV IN AGRI CHINESE ACADEMY OF AGRI SCI
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Problems solved by technology

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  • Method for replacing and controlling cenchrus paciflorus by sunflower
  • Method for replacing and controlling cenchrus paciflorus by sunflower
  • Method for replacing and controlling cenchrus paciflorus by sunflower

Examples

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Embodiment 1

[0034] Select an area where Tribulus terrestris grows, randomly designate a 5m×5m experimental plot, and set 5 replicates. Sunflowers were planted in the experimental plot by hole sowing. The sowing date was May 8, the sowing rate was 2 seeds per hole, the sowing hole spacing was 30cm, the row spacing was 40cm, and the sowing depth was 1cm. Thin the sunflower seedlings after emergence when one pair of true leaves grows, and thin the seedlings when two pairs of true leaves grow, and keep one strong seedling in each hole. Conventional field management measures were adopted without weeding. When the bracts of Tribulus terrestris mature, measure and calculate the growth indicators such as plant number, plant height, tiller number, caryopsis (thorn fruit) number, and biomass.

[0035] Example

[0036] Implement in the same manner as in Example 1, see Table 1 for the differences from Example 1.

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Abstract

The invention provides a method for replacing and controlling cenchrus paciflorus. According to the invention, a sunflower adopted by the method is conducted for biological control instead of the cenchrus paciflorus. The method has remarkable control effect on the cenchrus paciflorus, so that the density is reduced by 40%-80%, the plant height is reduced by 57.2%-71.7%, the tiller number is reduced by 70.9%-100%, the caryopsis number is reduced by 87.4%-100% and the biomass liveweight is reduced by 89.2%-98.9%; furthermore, the planting cost of the sunflower is very low, and the planting method is simple and easy to operate, and the investment of manpower, material and financial resources can be excessively reduced in comparison with physical prevention and chemical prevention; meanwhile, the sunflower is harmless to environment, human beings and other beneficial species, so that the threat on the human health and nontarget species caused by chemical prevention can be avoided; and the sunflower is an important oil crop and an industrial crop, and the higher economic value can be realized while the cenchrus paciflorus is controlled.

Description

technical field [0001] The invention relates to the technical field of biological substitution, in particular to a biological substitution control method for Tribulus terrestris. Background technique [0002] Currently, biological invasion has become a global environmental problem. Invasion of alien organisms not only causes economic losses in agriculture, forestry, animal husbandry, fishery, tourism, etc., but also causes the following hazards: serious interference and harm to the structure, function and ecological environment of specific ecosystems; A variety of native species are facing threats to their survival and are facing extinction, which has accelerated the loss of biodiversity and species extinction; alien invasive organisms can change the composition and structure of food chains or food networks by suppressing or crowding out native species, especially alien weeds , often lead to a very monotonous flora diversity in the invaded area and destroy arable land; alie...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01G1/00
Inventor 张国良付卫东张瑞海张衍雷韩颖
Owner INST OF ENVIRONMENT & SUSTAINABLE DEV IN AGRI CHINESE ACADEMY OF AGRI SCI
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