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高粱淀粉粳糯特性的快速鉴定方法与应用 被引量:3

A Package of Improved Methods for Rapid Identification of Waxy Phenotype in Sorghum
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摘要 高粱籽粒有粳(非糯)、糯之分,我国传统名酒如茅台、五粮液等,均以糯高粱为主要原料,快速鉴别高粱的粳糯对种质鉴定、糯高粱育种和原料采购均具有重要意义。现有高粱粳糯的鉴定方法主要有染色法和蒸煮法等,但均存在鉴定效率不高的问题,影响糯高粱育种进程。本研究在前人基础上,经过反复试验,总结出如下4种适合不同情形的高粱粳糯快速鉴别方法,即刀切法、籽粒捣碎开水糊化法、冷水捣碎染色法和田间花粉染色法。综合利用这4种方法,可使鉴定效率大大提高;同时,还讨论了4种鉴定方法在育种中的应用前景,探讨了4种鉴定方法的适用性和鉴定效率。 The endosperm of the sorghum grain is either waxy or non-waxy.Traditional Chinese liquors such as‘Moutai’and‘Wuliangye’are brewed with waxy sorghum as main feedstock.It is of great significance to clarify the waxy phenotype with efficient approaches in breeding and marketing.There are several methods such as staining and cooking,available for clarifying the waxy sorghum and non-waxy sorghum.However,these methods due to the limitation of efficiency might restrict the breeding for elite waxy sorghum varieties.In this study,four improved or newly-developed methods including cutting,hot water gelatinization staining,cold water smashing-staining as well as field-applicable pollen staining are suggested.We believed that deployment of these four methods is able to improve the efficiency on identification.The application of the four methods in waxy sorghum breeding program and their applicability are further discussed.
作者 李桂英 王智 张骥 顿宝庆 朱莉 孟凡华 游光霞 韩粉霞 LI Gui-ying;WANG Zhi;ZHANG Ji;DUN Bao-qing;ZHU Li;MENG Fan-hua;YOU Guang-xia;HAN Fen-xia(Institute of Crop Sciences,Chinese Academy of Agricultural Sciences/National Engineering Laboratory for Crop Molecular Breeding,Beijing 100081;Biotechnology Research Institute,Chinese Academy of Agricultural Sciences,Beijing 100081)
出处 《植物遗传资源学报》 CAS CSCD 北大核心 2021年第4期1042-1047,共6页 Journal of Plant Genetic Resources
基金 国家重点研发计划(2019YFD1001700,2018YFD1000702) 中国农业科学院创新工程 国际原子能协调研究项目(D23031)。
关键词 粳高粱 糯高粱 碘染色 快速鉴定 waxy sorghum non-waxy sorghum iodine staining rapid identification
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