Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Roguing and seed stock breeding method for transgenic insect-resisting cotton in seedling bed

An insect-resistant cotton and transgenic technology, which is applied in the field of agricultural science, can solve the problems of decreased insect resistance of cotton seeds, mixing of biology and machinery, etc., and achieves the effects of simple steps, strong operability, and simple and efficient operation.

Inactive Publication Date: 2003-06-25
江苏省农业科学院经济作物研究所
View PDF0 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to provide a solution to the technical problem that the insect resistance of cotton seeds has declined due to the mixing of biology and machinery in the current planting process of insect-resistant cotton, especially the loss of exogenous insect-resistant genes in the process of generation reproduction. A method for breeding transgenic insect-resistant cotton seedbeds to remove hybrids, thereby ensuring the purity of insect-resistant cotton seeds, maintaining and prolonging the lifespan of insect-resistant transgenic insect-resistant cotton

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Roguing and seed stock breeding method for transgenic insect-resisting cotton in seedling bed
  • Roguing and seed stock breeding method for transgenic insect-resisting cotton in seedling bed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0033] The breeding method of the transgenic insect-resistant cotton seedbed of the present embodiment removes hybrids and improved varieties, taking the good propagation method of providing an annual output of about 800,000 kilograms of insect-resistant cotton seeds as an example, and its specific implementation steps are:

[0034] (1) Seed soaking——prepared with aminoglycoside antibiotics (kanamycin, neomycin, paromomycin, etc.) for 10 7 Seed soaking water solution with unit / L concentration. Add the seed soaking liquid to the propagated seeds, shake them well, and immerse them in the liquid. The soaking temperature is 25°C±2°C, and the soaking time is about 24 hours. Sow directly or soak and dry at another time.

[0035] (2) Seedling cultivation in nutrient pots - at the end of March or early April when the temperature is stable above 15°C, seedlings are sown in nutrient pots, and the seedbeds are covered with transparent plastic films (or covered with plastic sheds) to mai...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention relates to agricultural technology. The rogusing and seed stock breeding process includes soaking seed in chemical reagent, raising seedling in nutritive pot, eliminating seedlings with yellow spot, transplanting, selecting plant and seed, roguing and selfing, cold storing of selfing seed, producing original seed in certain propagation coefficient and other steps. Through roguing in the seedling bed for three breeding periods, the present invention can purify insect-resisting cotton seed, maintain and prolong insect-resisting performance life, prevent biological and mechanical mixing and especially prevent the degradation of insect-resisting performance caused by the loss of foreign insect-resisting gene.

Description

technical field [0001] The invention relates to a method for breeding improved varieties of insect-resistant cotton, in particular to a method for breeding improved varieties of insect-resistant cotton by soaking seeds with specific chemical reagents and removing impurities from seedbeds, and belongs to the field of agricultural science and technology. Background technique [0002] Bt cotton is one of the crops currently approved for commercial production in China. Transgenic insect-resistant cotton plays a positive role in many aspects such as curbing cotton insect damage, saving agricultural costs, reducing labor intensity, reducing environmental pollution caused by spraying pesticides, and promoting the improvement of farmland micro- and macro-environment. workers' attention. [0003] Cotton is a frequently cross-pollinated crop, and natural biological hybridization and mechanical hybridization can easily cause variety degeneration. Due to the many production steps of c...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/04
Inventor 陈旭升狄佳春许乃银刘剑光肖松华
Owner 江苏省农业科学院经济作物研究所
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com