花铃期短期渍水对棉株的影响及其恢复机制研究

被引量 : 4次 | 上传用户:suishi2001
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
棉花是耐旱性作物,对涝渍胁迫的抗性较差。花龄期是棉花对水分需求的临界期,同时也是产量品质形成的决定期。但是,季节性涝渍在棉花花龄期时有发生,严重影响了棉花的生长发育,进而导致产量和品质降低。研究花铃期渍水对棉株的影响及其恢复的指示性生理指标,可为准确快捷的评估棉花渍害/恢复水平、采取合适栽培措施减轻洪涝灾害对棉花生产的影响提供依据。本研究以泗杂3号为材料,于2011年在江苏省大丰市(120°28E,33°12N)设置大田短期渍水试验(渍水0、6、9、12天),研究:(1)花铃期短期渍水对棉花干物
其他文献
The photo-excitation and Auger decay processes of inner-shell double vacancy states 1s2s2p6(1,3S)3s3p of neutral neon atoms have been studied theoretically.Mult
Well-dispersed SnO2 nanorods with diameter of 4-15 nm and length of 100-200 nm are synthesised through a hydrothermal route and their potential as anode materia
Low-field electron emission is obtained from the pinaster-like MoO2 nanoarrays.The tu-on field of the pinasterlike MoO2 nanoarrays is found to be as low as 2.39
天生桥一级电厂计算机监控系统由20世纪90年代的NARIAcc+ABBMODCELL模式改造为NC2000+QUANTUMUnity模式。本文介绍了天生桥一级电厂计算机监控系统的改造方案,并就水电厂计算
We investigate optical properties of a bowtie-shaped aperture using the finite difference time domain method to optimize its geometric parameters for specific i
《家族诞生》是去年韩国电视综艺类节目收视冠军,在2008年经济十分不景气的韩国,动辄30%的收视率使其成为广告商争抢的最热门节目。节目的成功,源于主动地探索真人秀的新模式
This paper computationally investigates the RhSin(n = 1-6) clusters by using a density functional approach. Ge- ometry optimizatious of the RhSin(n = 1-6) clust
Accurate description of magnetization curve has important effect on ferroresonance.In most of earlier ferroresonance studies the magnetization curve is modelled
很想先说说《娱乐至死》(Amusing Ourselves to Death)中译本的封面。大面积铺开的褚红和正襟于其上的黑体书名带来的视觉冲击不消说了,特别要提到书名左下方白边框出的一幅
Constituent quark mass model is adopted as a tentative one to study the phase transition between two-flavour quark matter and more stable thres-flavour quark ma