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Flower and plant composition for increasing natural enemies to control pests in rice and wheat rotation plough land and application

A technology of flowers and plants, rice and wheat, applied in the field of flower and grass combination and application, can solve problems such as poor function, and achieve the effects of reducing dependence on chemical pesticides, scientific and reasonable plant morphological structure and ecological function, and scientific and reasonable collocation

Inactive Publication Date: 2020-05-29
AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The natural plant buffer zone is the result of natural succession, conserving and maintaining the resource germplasm of agricultural organisms, but its function of serving farmland production is not good

Method used

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  • Flower and plant composition for increasing natural enemies to control pests in rice and wheat rotation plough land and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1: The preferred combination of flowers and plants

[0027] In terms of mass percentage, the preferred flower and grass combination plant species include: 20% vetiver, 10% bluegrass, 10% bentgrass, 10% red clover, 10% vetch, 10% pyrethrum from Compositae 6%, spinach 5%, golden buckwheat 6% of Polygonaceae, cnidium 6% of Umbelliferae, winter rape 6% of Cruciferae, sesame 6% of Flaxaceae, gray-green quinoa of Chenopodiaceae 5% .

Embodiment 2

[0028] Example 2: Conservation of Biodiversity in Rice-wheat Rotation System by Artificial Plant Buffer Zone

[0029] Three test points were selected in the intensive rice-wheat rotation continuous planting area in Jiangsu, and the distance between the test points was greater than 1 km. Each test site is set up in pairs of treatment plots and control plots, and the distance between the two plots is greater than 200 meters. The treatment plot refers to the rice-wheat rotation field with a plant buffer zone built on the edge of the field with the preferred combination of flowers and plants (the part of the plant buffer zone is deducted), and the control plot refers to the rice-wheat rotation field without any changes in the normal intensive operation . The use of herbicides and pesticides is prohibited in the test area. During the wheat and rice growing seasons, comprehensively use mechanical flukes and insect nets to collect arthropod specimens in the sample plots, identify a...

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Abstract

The invention discloses a flower and plant composition for increasing natural enemies to control pests in rice and wheat rotation plough land and application. The flower and plant composition covers 12 herbs in 8 families, the plant type number is moderate, management and protection are simple, and the plant form structure and ecological functions are matched scientifically and reasonably. The flower and plant composition is used for constructing an artificial plant buffer belt in the rice and wheat rotation plough land, firstly, diffusion of malignant weeds can be inhibited, inhabit and reproduction places in a rice and wheat rotation plough system for small animals and arthropods can be optimized, and the farmland biodiversity (species and abundance) can be increased; secondly, the artificial plant buffer belt can cover multiple natural enemies and continuously serve as a source place of natural enemies for rice and wheat growth seasons, besides, rice borers and wheat aphids can be attracted to the flower and plant belt to be killed by natural enemies, the continuous and stable control effect on rice borer and wheat aphid populations is realized, the dependence of intensive paddyand dry fields on chemical pesticides is significantly reduced, so that green, efficient and sustainable development of agriculture and quality safety of agricultural products are supported, and theesthetic effect of rural farmland landscape is enhanced.

Description

technical field [0001] The invention belongs to the technical field of farmland ecological enhancement, and relates to a combination of flowers and plants for increasing natural enemies to control pests in a rice-wheat rotation field and its application. Background technique [0002] Rice and wheat are the main food crops in the world, and rice and wheat are the first and second largest food crops in China. Rice-wheat rotation is a traditional planting system in which one season of late rice is planted, another season of winter wheat is planted, and two crops are harvested in the same field. Rice-wheat rotation is prevalent in the middle and lower reaches of the Yangtze River in China. Stem borer and wheat aphid are the most important pests in rice-wheat rotation system. The rice stem borer mainly uses newly hatched larvae to eat rice stems at different growth stages, causing damages such as dead heart seedlings, dry booting ears, and white ears. Wheat aphids suck the sap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/22A01G22/20A01G20/00A01G22/00A01G22/60A01B79/02
CPCA01B79/02A01G20/00A01G22/00A01G22/20A01G22/22A01G22/60
Inventor 杨殿林张艳军赵建宁刘红梅张海芳
Owner AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI
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