Method for breeding rice restorer line with resistance to Chilo suppressalis, Scirpophaga incertulas and Cnaphalocrocis medinalis
A technology of rice leaf roller and rice stem borer, which is applied in the field of breeding, can solve the problems of unusable production, poor reliability of identification results of natural induction in the field, lack of restorer lines resistant to various rice pests, etc., and achieve the effect of improving accuracy
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0024] 1. In 2010, Luhui 317 was used as the female parent, and Chenghui 727, a recovery material with excellent agronomic properties, was used as the male parent to obtain hybrid seeds;
[0025] 2. In 2011, planting hybrid seeds got F 1 generation, remove false hybrids in the field, and harvest F 2 generation;
[0026] 3. In the spring of 2012, plant F in southern Hainan 2 generation, sowing in spring March 20-25, F 2 Rice Lepidoptera pests are not controlled in the Honda period, each F 2 More than 2,000 plants were planted on behalf of the generation, and in F 2 Plant 5 rows of insect-susceptible controls around the generation, use single plants, and select single plants resistant to rice stem borer, rice stem borer and rice leaf roller at the mature stage to harvest seeds, and obtain F 3 substitute seeds;
[0027] 4. In the autumn of 2012, F was planted in southern Hainan 3 Generation, sowing in the autumn of that year from August 20 to 25, F 3 Rice Lepidoptera pest...
Embodiment 2
[0032] 1. In 2010, a recovery material with excellent agronomic properties (Chenghui 727) was used as the female parent, and Luhui 317 was used as the male parent to obtain hybrid seeds;
[0033] 2. In 2011, planting hybrid seeds got F 1 generation, remove false hybrids in the field, and harvest F 2 generation;
[0034] 3. In the spring of 2012, plant F in southern Hainan 2 generation, sowing in spring March 20-25, F 2 Rice Lepidoptera pests are not controlled in the Honda period, each F 2 More than 2,000 plants were planted on behalf of the generation, and in F 2 Plant 5 rows of insect-susceptible controls around the generation, use single plants, and select single plants resistant to rice stem borer, rice stem borer and rice leaf roller at the mature stage to harvest seeds, and obtain F 3 substitute seeds;
[0035] 4. In the autumn of 2012, F was planted in southern Hainan 3 Generation, sowing in the autumn of that year from August 20 to 25, F 3 Rice Lepidoptera pest...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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