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High-yield cultivation method of double-low rape flower

A cultivation method, rapeseed technology, applied in the field of plant cultivation, can solve the problems of high yield performance and mechanized operation degree limitation, poor adaptability of rapeseed mechanized operation in the whole process, difficulty in achieving breakthrough progress in rapeseed industrialization, etc., and achieve maturity and consensus Good sex, good plant type, concentrated flowering effect

Inactive Publication Date: 2012-01-04
ZHENJIANG AGRI SCI INST JIANGSU HILLY AREAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing main varieties have many disadvantages that are difficult to integrate, and most of them are not adaptable to the whole mechanized operation of rapeseed, and the high-yield performance and the degree of mechanized operation are limited.
At the same time, the traditional rapeseed cultivation method is time-consuming and labor-intensive, and it is difficult for farmers to accept it. It has become a bottleneck in the development of rapeseed, and it is difficult to make breakthroughs in the industrialization of rapeseed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Zhenyou 5, a conventional Brassica napus variety, was selected and harvested by bagging and selfing of individual plants in the first year. The individual plants that did not meet the double-low indicators were eliminated through quality analysis, sowed separately, and the inferior plants with comprehensive traits were eliminated in the field. The strains with low indicators are mixed to obtain the basic breeding species;

[0017] The northern Jiangsu area was sown early on September 5. The density of the seedbed was 0.5-0.6 kg / mu, and the mechanized sowing was done to achieve sparse and even sowing to ensure transplanting of strong seedlings. After emergence, it is necessary to time the seedlings in time. The ratio of seedbed to field is controlled at 1:5~6, enough base fertilizer can be applied, and boron fertilizer and phosphorus and potassium fertilizer can be applied. Transplant in wide rows and narrow plants in late October. The row-to-plant spacing is 1.2 feet ×...

Embodiment 2

[0021] Zhenyou 5, a conventional Brassica napus variety, was selected and harvested by bagging and selfing of individual plants in the first year. The individual plants that did not meet the double-low indicators were eliminated through quality analysis, sowed separately, and the inferior plants with comprehensive traits were eliminated in the field. The strains with low indicators are mixed to obtain the basic breeding species;

[0022] Early sowing in central Jiangsu and along the Yangtze River was carried out on September 10. The density of the seedbed was 0.5-0.6 kg / mu. Mechanized sowing was carried out to achieve sparse and even sowing to ensure strong seedlings were transplanted. After emergence, it is necessary to time the seedlings in time. The ratio of seedbed to field is controlled at 1:5~6, enough base fertilizer can be applied, and boron fertilizer and phosphorus and potassium fertilizer can be applied. Transplant in wide rows and narrow plants in early November, ...

Embodiment 3

[0026] Zhenyou 5, a conventional Brassica napus variety, was selected and harvested by bagging and selfing of individual plants in the first year. The individual plants that did not meet the double-low indicators were eliminated through quality analysis, sowed separately, and the inferior plants with comprehensive traits were eliminated in the field. The strains with low indicators are mixed to obtain the basic breeding species;

[0027] The southern Jiangsu area was sown early on September 15. The density of the seedbed was 0.5-0.6 kg / mu, and the mechanized sowing was done to achieve sparse and even sowing to ensure strong seedlings were transplanted. After emergence, it is necessary to time the seedlings in time. The ratio of seedbed to field is controlled at 1:5~6, enough base fertilizer can be applied, and boron fertilizer and phosphorus and potassium fertilizer can be applied. Transplant in wide rows and narrow plants in early November, the row spacing is 1.2 feet x 5-6 ...

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Abstract

The invention discloses a high-yield cultivation method of a double-low rape flower, belonging to the cultivation method of plants. The method provided by the invention comprises the following steps of: (1) selecting a cabbage type conventional rape variety Zhenyou No.5, self-crossing an individual plant by bagging in the first year and then harvesting; eliminating individual plants which do not accord with a double-low index through a quality analysis and eliminating comprehensively weak plants in fields; mixing plants which accord with the index to obtain a seed for basic reproduction; (2) early planting in autumn and carrying out a mechanical direct planting, wherein the direct planting density is 0.5-0.6 kilogram / acre; applying enough base fertilizer and transplanting; carrying out a rational management of water and fertilizers, and preventing and treating plant diseases and insect pests; and (3) mechanically harvesting ripe rape flowers on June of the next year. The seeds of the rape flower cultivated by the method provided by the invention are full and perfectly round and have the advantages of high thousand seed weight, black seeds, good merchantability, strong disease resistance and good ripe phase; and the method provided by the invention saves labor and cost.

Description

technical field [0001] The invention relates to a plant cultivation method, more specifically to a super-high-yield intensive cultivation method of the conventional Brassica napus Zhenyou No. 5, which is high-quality and double-low, and is suitable for the whole process of mechanized operation. Background technique [0002] Double-low rapeseed refers to the rapeseed variety whose erucic acid content in rapeseed oil is less than 3%, and the glucosinolate content in vegetable cake is less than 30μmol / g. Compared with conventional rapeseed, "double-low" rapeseed grows slowly at the seedling stage, lacks winter germination, slightly weaker seedlings before the year, and is more sensitive to photosensitivity. Often, the vegetative growth period is prolonged because it cannot meet its demand for long sunshine. The budding and flowering are delayed, the flowering period is shortened, and the nitrate reductase activity is strong during the flowering stage of the moss, the leaves are...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 岳绪国顾炳朝
Owner ZHENJIANG AGRI SCI INST JIANGSU HILLY AREAS
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