The effect of waterlogging on yield and seed quality at the early flowering stage in Brassica napus L.
The effect of waterlogging on yield and seed quality at the early flowering stage in Brassica napus L.
复制标题
淹水对甘蓝型油菜花前期产量及种子品质的影响。
DOI：
10.1016/j.fcr.2015.06.007
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发表时间：
2015-08
影响因子：
5.8
通讯作者：
Zou, Xiling
中科院分区：
文献类型：
--
作者：
Lu, Guangyuan;Xu, Jinsong;Zhang, Xuekun;Zou, Xiling
甘蓝型油菜（Brassica napusL.）作为世界上油菜种植面积最大的中国，由于油菜-水稻轮作制度和强降水，遭受严重的涝渍胁迫。通过田间试验，研究了20个油菜品种在开花初期遭受涝渍胁迫对产量和品质的影响，结果表明，涝渍胁迫影响油菜生长，造成产量损失。除分支高度（Bh）和千粒重（Tsw）外，其它性状均受涝渍影响显著。相关分析表明，除分枝数（Bn）和分支数（Bn）的耐涝系数与产量呈极显著正相关外，其余形态性状的耐涝系数与产量均呈极显著正相关。而粒重和每角果粒数的WTC与产量的WTC无显著相关。对产量相关性状的分析表明，涝后单株角果数的减少主要是由于枝上角果数的减少，而枝上角果数的减少决定了涝后的最终产量。此外，渍水还通过增加芥酸（C22：1）和硫甙含量而影响油脂品质。涝渍还导致了亚麻酸（C18：3）含量的增加和亚油酸（C18：2）含量的减少，说明涝渍可能影响了油脂生物合成的代谢途径。
Rapeseed (Brassica napusL.) suffers from serious waterlogging stress due to the rapeseed-rice rotation system and heavy precipitation in China, which contains the largest rapeseed planting area worldwide. A field experiment was conducted using 20 rapeseed varieties to evaluate the effect of waterlogging at the early flowering stage on yield and seed quality.The results showed that waterlogging stress affected rapeseed growth and caused yield loss. Except for branch height (Bh) and thousand seed weight (Tsw), all other traits were significantly affected by waterlogging. A correlation analysis revealed that the waterlogging tolerance coefficients (WTCs) of all the morphological traits were significantly correlated with that of yield, except of the WTCs ofBhand branch number (Bn). However, the WTCs of seed weight and seeds per silique were not found to be significantly correlated with that of yield. The assessments of yield-related traits revealed that the reduction in the number of siliques per plant after waterlogging is mostly due to the decrease of siliques on branches, which governed the final yield after waterlogging. Additionally, waterlogging affected the oil quality by increasing erucic acid (C22:1) and glucosinolate content. Waterlogging also caused an increase in linolenic acid (C18:3) and a decrease in linoleic acid (C18:2), indicating that waterlogging might affect metabolic pathways involving lipid biosynthesis.Our study reveals the effects of waterlogging on different varieties of rapeseed at the early flowering stage and provides some data that may be useful for breeding more tolerant varieties.
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玉米苗期耐涝性动态QTL分析和候选基因定位。
影响因子：
3.7
作者：
Osman KA;Tang B;Wang Y;Chen J;Yu F;Li L;Han X;Zhang Z;Yan J;Zheng Y;Yue B;Qiu F
通讯作者：
Qiu F
DOI：
--
发表时间：
1975
期刊：
International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition
影响因子：
--
作者：
H. Vogtmann;R. Christian;R. Hardin;D. R. Clandinin
通讯作者：
H. Vogtmann;R. Christian;R. Hardin;D. R. Clandinin
影响因子：
2
作者：
X. K. Zhang;J. Chen;L. Chen;H. Wang;J. Li
通讯作者：
X. K. Zhang;J. Chen;L. Chen;H. Wang;J. Li
影响因子：
4.9
作者：
Mano, Yoshiro;Omori, Fumie
通讯作者：
Omori, Fumie
影响因子：
1.8
作者：
Khan, M. A. M.;Ulrichs, Christian;Mewis, Inga
通讯作者：
Mewis, Inga