华北农学报
華北農學報
화북농학보
ACTA AGRICULTURAE BOREALI-SINICA
2015年
2期
87-92
,共6页
杨征%杨晓云%张清霞%司朝光%张淑霞%王媛
楊徵%楊曉雲%張清霞%司朝光%張淑霞%王媛
양정%양효운%장청하%사조광%장숙하%왕원
大白菜%根肿病%抗病基因%分子标记
大白菜%根腫病%抗病基因%分子標記
대백채%근종병%항병기인%분자표기
Chinese cabbage%Clubroot%Resistance genes%Molecular markers
利用大白菜抗根肿病基因 CRa和 CRb分子标记( SC2930和 KBrH129J18R)引物组,对78份大白菜材料进行抗根肿病分子标记鉴定。结果表明,在这78份材料中,有34份材料含有 SC2930-T( CRa抗病标记)标记,其中杂合抗病位点材料17份,纯合抗病位点材料17份。有37份材料含有 KBrH129J18R抗病标记,其中纯合抗病位点材料15份,杂合抗病位点材料22份。有20份材料不含有 CRa和 CRb所对应的抗病标记,23份材料含有2个抗病标记。该研究初步明确了78份参试大白菜材料所含抗根肿病基因 CRa和CRb类型,为大白菜抗根肿病育种提供材料选择依据。
利用大白菜抗根腫病基因 CRa和 CRb分子標記( SC2930和 KBrH129J18R)引物組,對78份大白菜材料進行抗根腫病分子標記鑒定。結果錶明,在這78份材料中,有34份材料含有 SC2930-T( CRa抗病標記)標記,其中雜閤抗病位點材料17份,純閤抗病位點材料17份。有37份材料含有 KBrH129J18R抗病標記,其中純閤抗病位點材料15份,雜閤抗病位點材料22份。有20份材料不含有 CRa和 CRb所對應的抗病標記,23份材料含有2箇抗病標記。該研究初步明確瞭78份參試大白菜材料所含抗根腫病基因 CRa和CRb類型,為大白菜抗根腫病育種提供材料選擇依據。
이용대백채항근종병기인 CRa화 CRb분자표기( SC2930화 KBrH129J18R)인물조,대78빈대백채재료진행항근종병분자표기감정。결과표명,재저78빈재료중,유34빈재료함유 SC2930-T( CRa항병표기)표기,기중잡합항병위점재료17빈,순합항병위점재료17빈。유37빈재료함유 KBrH129J18R항병표기,기중순합항병위점재료15빈,잡합항병위점재료22빈。유20빈재료불함유 CRa화 CRb소대응적항병표기,23빈재료함유2개항병표기。해연구초보명학료78빈삼시대백채재료소함항근종병기인 CRa화CRb류형,위대백채항근종병육충제공재료선택의거。
The objective of this study was to use 2 gene molecular markers of clubroot resistance from Chinese cabbage(SC2930 and KBrH129J18R),to identify clubroot resistance genes in 78 resources of Chinese cabbage. The results showed that there were 34 resources with SC2930 resistance marker in 78 resources. Including 17 heterozygous loci materials and 17 homozygous loci materials. 37 resources had KBrH129J18R resistance marker. Including 22 het-erozygous loci materials and 15 homozygous loci materials. 20 resources hadn′t the resistance markers of CRa or CRb. 23 resources had both 2 resistance markers. The study defined the clubroot resistance gene types of CRa and CRb in the 78 resources,and provided a material basis of breeding for clubroot resistance in Chinese cabbage.