贵州农业科学
貴州農業科學
귀주농업과학
GUIZHOU AGRICULTURAL SCIENCES
2014年
7期
13-16
,共4页
祝云芳%陈泽辉%王安贵%郭向阳
祝雲芳%陳澤輝%王安貴%郭嚮暘
축운방%진택휘%왕안귀%곽향양
玉米%自交系%QB4 8
玉米%自交繫%QB4 8
옥미%자교계%QB4 8
maize%inbred line%QB48
QB48是贵州省旱粮研究所利用引进的优良玉米群体 Suwan1（C11）自交分离，经5代自交育成的玉米自交系，具有配合力高、耐瘠性强和适应性广的特点，于2010年获得国家农业部植物新品种保护授权（品种权号为CNA20070788．4），利用QB48作亲本相继育成玉米杂交种金单999、煌单008、金玉98、金玉5号、宝玉999，分别通过贵州、云南临沧、丽江等地审定。玉米自交系 QB48在玉米杂交育种中具有广阔的应用前景。
QB48是貴州省旱糧研究所利用引進的優良玉米群體 Suwan1（C11）自交分離，經5代自交育成的玉米自交繫，具有配閤力高、耐瘠性彊和適應性廣的特點，于2010年穫得國傢農業部植物新品種保護授權（品種權號為CNA20070788．4），利用QB48作親本相繼育成玉米雜交種金單999、煌單008、金玉98、金玉5號、寶玉999，分彆通過貴州、雲南臨滄、麗江等地審定。玉米自交繫 QB48在玉米雜交育種中具有廣闊的應用前景。
QB48시귀주성한량연구소이용인진적우량옥미군체 Suwan1（C11）자교분리，경5대자교육성적옥미자교계，구유배합력고、내척성강화괄응성엄적특점，우2010년획득국가농업부식물신품충보호수권（품충권호위CNA20070788．4），이용QB48작친본상계육성옥미잡교충금단999、황단008、금옥98、금옥5호、보옥999，분별통과귀주、운남림창、려강등지심정。옥미자교계 QB48재옥미잡교육충중구유엄활적응용전경。
QB 48,an excellent maize inbred line with higher combining ability,strong tolerance to low fertility soil and wide adaptability was bred from selfing separation of Suwan1 (C1 1 )after five generations by Guizhou Institute of Upland Crops and authorized as a new protected plant cultivar (CNA20070788.4) by National Agricultural Department in 2010.Jindan 999,Huangdan 008,Jinyu 98,Jinyu 5 and baoyu 999 varieties bred from QB 48 were approved by Guizhou Province,Lincang and Lijiang of Yunnan Province separately,which indicates that QB 48 has the wide application in maize hybrid breeding.
