CAO Liang-zi,SUN Shi-chen,LIU Kai,et al.Identification and Screening of Saline-Alkali Tolerant Rice Germplasm Resources in Heilongjiang Province[J].HEILONGJIANG AGRICULTURAL SCIENCES,2022,(08):10-13.[doi:10.11942/j.issn1002-2767.2022.08.0010]
黑龙江省耐盐碱水稻种质资源鉴定及筛选
- Title:
- Identification and Screening of Saline-Alkali Tolerant Rice Germplasm Resources in Heilongjiang Province
- Keywords:
- rice; saline-alkali tolerant; tillering ability
- 文献标志码:
- A
- 摘要:
- 黑龙江省拥有大面积的苏打盐碱地,为挖掘黑龙江省耐盐碱水稻种质资源,为黑龙江省耐盐碱水稻品种培育提供中间材料并优化耐盐碱水稻筛选方法,以118份高世代水稻种质资源和6份黑龙江省主栽水稻品种为材料,在黑龙江省肇源县盐碱地新开垦的水稻田中进行耐盐碱筛选试验,分别调查水稻分蘖数和收获粒数。结果表明,通过综合比较筛选出9份耐盐碱水稻新种质资源,其在营养生长期发育旺盛,并在生殖生长期有较强的耐盐碱性。说明在鉴定以及筛选耐盐碱水稻种质资源时,可以将水稻营养生长期的分蘖能力作为鉴定筛选指标,能够提高耐盐碱水稻筛选的效率以及精准度。
- Abstract:
- Heilongjiang Province has a large area of soda saline-alkali land.In order to excavate saline-alkali resistant rice germplasm resources in Heilongjiang Province,provide intermediate materials for breeding saline-alkali resistant rice varieties and optimize saline-alkali resistant rice screening methods,118 germplasm resources of high-generation rice and 6 rice varieties mainly cultivated in Heilongjiang Province were used as materials.A saline-alkali tolerance screening test was carried out in the newly reclaimed paddy field in Zhaoyuan County,Heilongjiang Province,and tiller number and harvested grain number of rice were investigated.The results showed that nine new saline-alkali tolerant rice germplasm resources were screened out,which developed well in vegetative growth stage and had strong saline-alkali tolerance in reproductive growth stage.These results indicate that tillering capacity during the vegetative growth stage of rice can be used as the identification and screening index when identifying and screening saltine-alkali tolerant rice germplasm resources,which can improve the efficiency and accuracy of saline-alkali tolerant rice screening.
参考文献/References:
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备注/Memo
收稿日期:2022-05-25基金项目:黑龙江省省属科研院所科研业务费(CZKYF2021-2-B013);国家水稻产业技术体系哈尔滨综合试验站(CARS-01-62)。