为了筛选耐热性较强的品系,为小麦耐热性遗传研究及耐热品种选育奠定基础,以S iete C erros×Seri-82的66个重组近交系(R IL)小麦叶片为材料,测定了在热锻炼(34℃,48 h)及热胁迫(49℃,60 m in)条件下叶片的相对电导率,以此评价耐热...为了筛选耐热性较强的品系,为小麦耐热性遗传研究及耐热品种选育奠定基础,以S iete C erros×Seri-82的66个重组近交系(R IL)小麦叶片为材料,测定了在热锻炼(34℃,48 h)及热胁迫(49℃,60 m in)条件下叶片的相对电导率,以此评价耐热性。结果表明,供试的66个重组近交系中,51个(77.27%)为热敏感近交系,7个(10.61%)为中等耐热近交系,8个(12.12%)为耐热近交系。由此可见,耐热性发生了明显的重组和分离现象,筛选出的耐热近交系可作为耐热性遗传改良以及耐热品种选育的种质材料加以利用。展开更多
There are rich plant resources in SouthernHebei province according to a comprehcnsive investigation.It was considered that several hundred species of wildplants as medical herbs resources distributed in this region.Mo...There are rich plant resources in SouthernHebei province according to a comprehcnsive investigation.It was considered that several hundred species of wildplants as medical herbs resources distributed in this region.Morphological characteristies, utilization parts and signifi-cance of important species arnong these rosources plantwere introduced in dctail and other were introduccd inbrief. Utilization of wild medical herbs resources were dis-cussed in this paper.展开更多
文摘为了筛选耐热性较强的品系,为小麦耐热性遗传研究及耐热品种选育奠定基础,以S iete C erros×Seri-82的66个重组近交系(R IL)小麦叶片为材料,测定了在热锻炼(34℃,48 h)及热胁迫(49℃,60 m in)条件下叶片的相对电导率,以此评价耐热性。结果表明,供试的66个重组近交系中,51个(77.27%)为热敏感近交系,7个(10.61%)为中等耐热近交系,8个(12.12%)为耐热近交系。由此可见,耐热性发生了明显的重组和分离现象,筛选出的耐热近交系可作为耐热性遗传改良以及耐热品种选育的种质材料加以利用。
文摘There are rich plant resources in SouthernHebei province according to a comprehcnsive investigation.It was considered that several hundred species of wildplants as medical herbs resources distributed in this region.Morphological characteristies, utilization parts and signifi-cance of important species arnong these rosources plantwere introduced in dctail and other were introduccd inbrief. Utilization of wild medical herbs resources were dis-cussed in this paper.
