1) cold tolerance at booting
穗期耐冷性
1.
japonica) cultivars with different grades of cold tolerance involving 3 eco-groups were used to study the inheritance of cold tolerance at booting in the species.
用热带粳、光壳稻和普通粳群中7个不同耐冷级别品种及其1/2P(P-1)配制的21个组合进行云南粳亚种生态群间穗期耐冷性遗传研究。
2) cold tolerance at the booting stage
孕穗期耐冷性
1.
Under cold damage circumstances in Kunming,the cold tolerance at the booting stages of F1,F2,F3 and F4 generation of hybrids by usgeneration,plant height,peduncle length,node length under spike,filled grains per panicle,total grains per panicle of F3 and F4 populations were significantly positive correlated.
在昆明低温冷害条件下,以02428与合系35配制的杂种F1,F2,F3和F4等为材料进行孕穗期耐冷性遗传研究。
3) cold tolerance at booting stage
孕穗期耐冷性
1.
The F2 populations were backcrossed by NIL (BC4F5) from Donor parent (Kunmingxiaobaigu) and recurrent parent (Towada) made appraisal cold tolerance at booting stage in two disaster condition of Kunming and Allying in 2003.
2003年在阿子营和昆明2种冷害条件下,用昆明小白谷耐冷基因供体培育的近等基因系(NIL,BC4F5) 与轮回亲本回交的5个BC5F2群体进行孕穗期耐冷性鉴定,用王建康等(1997)主基因-多基因混合遗传模型对这些群体进行耐冷性遗传分析。
2.
The F2 populations were hybrided by NIL (BC4F5) from donor parent (Kunming xiaobaogu) and towada and planted under Kunming (elevation 1 916 m, temperature is 18-21℃) in 2002 and Aziying (elevation 2 150 m, temperature is 19℃) cold damage circumstances in 2003, two populations about cold tolerance at booting stage were analyzed to study gene effect using major gene plus poly-gene mixed model.
17％,孕穗期耐冷性以主基因利用为主;主基因中加性效应明显,2对主基因基因效应不等,以第1对主基因的加性效应为主;在孕穗期耐冷性遗传中,主基因的加性、显性及主基因之间的相互作用普遍存在。
4) cold tolerance at the booting
孕穗期耐冷性
1.
Cold tolerance at the booting stage of recombinant inbred lines (RIL) were analyzed undert indica and japonica rice cropping regions by using Kunmingxiaobaigu and Dalizaoxian, Yunnan rice landrace, and their F7 and F8 generation.
以昆明小白谷和大理早籼杂交培育的孕穗期耐冷性重组近交系(RIL)为材料进行籼粳稻区水稻耐冷性研究。
6) cold tolerance at booting and flowering stage
孕穗开花期耐冷性
补充资料：耐急冷急热性
分子式：
CAS号：
性质：又称耐急冷急热性，耐热崩裂性，耐热冲击性。耐火材料抵抗温度的急变而不破坏的性能叫耐热震性。当制品突然受热（或受冷）发生膨胀（或收缩）时，由于其各部分的变形互相受到制约而产生热应力。当这种热应力超过制品内部的结合力时，制品就产生崩裂或剥落而破坏。耐火制品的耐热震性以实验方法测定。制品的耐热震性除受传递条件影响外主要取决于其热膨胀性、导热性、断裂韧性等，同时也与其组织结构、形状和尺寸等有关。为了防止耐火材料在使用时，因温度急变而引起崩裂，要求耐火材料具有良好的耐热震性。
CAS号：
性质：又称耐急冷急热性，耐热崩裂性，耐热冲击性。耐火材料抵抗温度的急变而不破坏的性能叫耐热震性。当制品突然受热（或受冷）发生膨胀（或收缩）时，由于其各部分的变形互相受到制约而产生热应力。当这种热应力超过制品内部的结合力时，制品就产生崩裂或剥落而破坏。耐火制品的耐热震性以实验方法测定。制品的耐热震性除受传递条件影响外主要取决于其热膨胀性、导热性、断裂韧性等，同时也与其组织结构、形状和尺寸等有关。为了防止耐火材料在使用时，因温度急变而引起崩裂，要求耐火材料具有良好的耐热震性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条