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Method for promoting high production and early-maturing of rapes

A rapeseed, early-maturing technology, applied in horticultural methods, botanical equipment and methods, horticulture, etc., to achieve the effect of promoting transfer and optimizing planting system

Inactive Publication Date: 2015-02-18
INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

According to the literature search, there is no patent technology or non-patent literature related to exogenous phytohormones to promote early maturation at home and abroad.

Method used

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  • Method for promoting high production and early-maturing of rapes
  • Method for promoting high production and early-maturing of rapes
  • Method for promoting high production and early-maturing of rapes

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Embodiment 1

[0046] A method for promoting high yield and early maturation of rape, the steps are:

[0047] (1) Construction of densely planted high-yield populations of rapeseed:

[0048] A: Selection of rapeseed varieties: choose rapeseed varieties with high yield, high quality, disease resistance (tolerance), tolerance to dense planting, and good lodging resistance. Early-maturing rapeseed varieties such as Fengyou 737 should be used in three-crop areas. It is advisable to choose medium-maturing varieties that are resistant to dense planting, such as Zhongyouza 12, Yangguang 2009, etc. In the lower reaches of the Yangtze River, Zhongshuang 11 with compact plant type and high oil content can be selected to be suitable for mechanical harvesting and achieve high yield and efficiency.

[0049] B: Optimization of sowing date and density: sow in mid-to-late September to early October, with a density of 30,000 to 40,000 plants / mu, an average of 5 to 6 branches of rapeseed plants, and a canopy ...

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Abstract

The invention discloses a method for promoting high production and early-maturing of rapes. The method comprises the following steps: A. construction of close planting high production colony of the rapes: selecting high-production, high-quality and early-maturing rape types, applying a nitrogen fertilizer in advance at the ratio of base fertilizer, seedling fertilizer to 12th lunar month fertilizer of 7:2:1; B. selection of exogenous plant growth substance type and dose: adopting a potting method, spraying 1 mg L<-1> Brassinosteroid (BR) at the blooming period to promote dry matter transshipment after blooming; C. application of exogenous plant growth regulator in field: adopting potassium dihydrogen phosphate, boric fertilizer and BR according to a certain mixing ratio; D. selection of rape harvest time: 21-35 days after blooming when the physiological maturity period is reached, wherein the harvested oil content is increased by 0.5-1.0 percent. The method is feasible, can increase the rape yield and quality, allows the rape to properly mature earlier for being harvested ahead of time, so as to effectively relieve the season contradiction, and can promote rape production and multiple cropping agricultural development in our country.

Description

technical field [0001] The invention belongs to the technical field of high-yield planting of crops, and in particular relates to a method for promoting high-yield and early maturity of rapeseed, which is suitable for high-yield cultivation and early harvesting of rapeseed under the multi-cropping mode of winter rapeseed and other crop rotations (intercropping and intercropping) in the Yangtze River Basin. It is about 7 days earlier than the normal maturity period, which effectively alleviates the seasonal contradictions and is beneficial to the annual high-yield and efficient production of oilseeds and other crops in my country. Background technique [0002] Rapeseed is the main source of high-quality edible vegetable oil and feed cake. The perennial planting area in my country is about 100 million mu, mainly concentrated in winter rapeseed production areas in the Yangtze River Basin. The annual output of rapeseed oil is 4.5 million tons, and the consumption depends heavily ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G7/06
Inventor 马霓张春雷李俊袁金展余利平
Owner INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI
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