【摘 要】
：
水稻株高是决定产量的重要因素,上世纪50-60年代,半矮秆品种的培育为世界粮食生产带来了第一次绿色革命,株高降低虽然降低了总生物量,但提高了植株耐肥和抗倒伏能力,并最
【机 构】
：
中国科学院上海植物生理生态研究所,上海200032浙江省农业科学研究院作物与核技术利用研究所,浙江杭州310021
论文部分内容阅读
水稻株高是决定产量的重要因素,上世纪50-60年代,半矮秆品种的培育为世界粮食生产带来了第一次绿色革命,株高降低虽然降低了总生物量,但提高了植株耐肥和抗倒伏能力,并最终增产,因此株高在此后育种过程中成为一个重要选择指标。我们在籼粳杂交育种过程组配了Z J22和9311的群体,2个亲本株高表现都为中矮类型,其中ZJ22株高约为65 cm,而9311株高约为79 cm(2009海南数据)。
其他文献
In recent years, apple fruits of Malus pumila Mill cv.Fushi have been damaged by a dapple disease showing yellow spots on their surface induced by Apple scar sk
Viral satellite RNAs (satRNAs) are small non-coding RNAs that depend on their associated virus (helper virus) for replication and spread in plants.Some satRNAs
Hop stunt epidemic was incited by HpSVd originated from cultivated grapevines.During the epidemics, HpSVd-grape variant underwent convergent evolution in hops a
The genetic stability of Potato spindle tuber viroid (PSTVd) from three potato areas of Heilongjiang in China was analyzed.PSTVd samples of PKS 1-6 from Keshan
Chrysanthemum stunt viroid (CSVd) and Chrysanthemum chlorotic mottle viroid (CChMVd) were identified from chrysanthemum plants showing stunting, distortion, and
Several years ago, two cherry small circular RNAs (cscRNA1 and cscRNA2) and 10-12 double stranded RNAs (dsRNAs) of presumable viral origin were identified in sw
Dahlia (Dahlia x hybrida), a perennial, ornamental flowering plant, harbors three viroids; Chrysanthemum stunt viroid (CSVd; Nakashima et al., 2007), Potato spi
To date, GYSVd-2 has been found only in few countries and grapevine is the only known natural host of GYSVd-2, which has restricted distribution in world viticu
目前，在拟南芥中已经成功建立了接近饱和的插入突变体库，水稻中获得的插入标签侧翼序列已经超过了两万个，而且这一数据还在不断增长。然而，有关油菜T-DNA插入突变体库的研究
小麦是异源多倍体禾本科植物，是最重要的粮食作物之一。发掘对小麦产量、抗性等性状改良具有重要价值的基因是进一步提高小麦生产潜力的前提条件。为了实现这一目标，本研究