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- The most significant variance lay in the 1000-seed-weight, followed by flag leaf length and inflorescence shape and then by distance between flag leaf and inflorescence with least in inflorescence length, plant form, leaf width and seed length. 其中,种子千粒重变异最大;旗叶长度、花序形状次之;穗叶距、花药宽度、旗叶宽度等性状变异中等;而花序长度、株型、叶宽、种子长度变异最小。
- flag leaf length 旗叶长度
- The fertilizer treatment significantly increased turfgrass height, leaf length, AGB, and turfgrass density (P<0.05). 施肥与打孔、切根和梳草处理之间在草坪密度和地上生物量上存在显著的互作效应(P<0.;05)。
- This the first report of cytogenetic study of flag leaf position in common wheat ,Triticum aestivum L. 摘要 本文首次对小麦旗叶姿态进行了比较系统的细胞遗传学研究。
- The heritability of leaf length and width, leaf area, SLW and leaf blade curvature were higher than 0.5. 叶宽和比叶重的基因作用主要表现为加性效应;
- The cultivars that had a high chl (a+b) value,low chl (a/b) value and relatively big Flag Leaf area could be selected in wheat breeding. 小麦育种上应选择生育后期叶绿素 (a +b)较高 ,叶绿素 (a/b)值低 ,且旗叶面积相对较大的品种。
- There were close correlation in the same SOD, POD, CAT, NR and GS activity, and MDA content between roots and flag leaf. 小麦生长发育后期根系与旗叶超氧化物歧化酶(SOD)、过氧化物酶(POD)和过氧化氢酶(CAT)的活性、丙二醛(MDA)的含量、氮素代谢特性是相互联系、密切相关的;
- Leaf length, area, and blade curvature were mainly controlled by dominant gene effect, while additive gene effect in leaf width and SLW. 叶长、叶面积和叶面曲率的基因作用则主要表现为显性效应;
- Effect of irrigation on photosynthesis decline of winter wheat flag leaf during senescence was studied with field plot experiment. 利用田间小区试验研究了不同灌水对冬小麦旗叶光合功能衰退的影响。
- The effects of deep cultivation-root cutting on the senescence of flag leaf after anthesis and yield have been studied for dry land wheat production. 在旱地大田条件下研究了深耘断根对旱地高产小麦花后旗叶衰老及产量的影响。
- The variation range of leaf length, width, area, and thickness and stoma length, width, density of the sexual progenies were crisscrossed with their parents. 有性后代除叶厚变异范围较小外,其它参数变异范围都较大。
- The role of overirrigation improving photosynthesis decline of flag leaf was mainly at the latter stage and had no role for yield increase. 过量灌水改善旗叶光合衰退的效果主要表现在后期,对产量提高的意义并不大。
- The results showed: (1) accompanied with decreasing of light intensity, leaf length, width and leaf thickness of Dichondra repens increased initially and then decreased. 结果表明:(l)随着光照强度的降低,马蹄金叶片的长度、宽度及厚度均表现出先增大后减小的趋势,在76.;19%25透光率下达到最大值;
- Plastic film mulching markedly increased biomass per a plant,flag leaf area,tillers per unit soil area,grains per ear and 1 000-grain weight. 覆膜显著增加单株生物量、旗叶面积、亩穗数、穗粒数和千粒重。
- Results indicated that the order of net photosynthetic rate of the flag leaf Was: Taishan No.1 (adaptability moderate) >Jinan No.13 (strong) >Changle No.5 (weak) . 结果表明,旗叶的光合速率顺序为: 泰山一号(中度耐肥)>济南13(高度耐肥)>昌乐5号(不耐肥)。
- The g enetic variance coefficients, broad sense-heritability and relative genetic adva nces of flag leaf inclination angles were high, and their selective effect was better. 结果表明:小麦旗叶倾角的遗传变异系数、广义遗传力和相对遗传进度较高,选择效果较好;
- Leaf rolling index (LAl) of flag leaf (from top) in 2 hybrids withhigher LRI reached 44%-47%, in 2 hybrids with medium LAl was l5%-l6%, in 2hybrids with low LAl was l0%-l l%. 下表面与上表面光合强度比在高叶片卷曲度组合中为1.;19-1
- No matter hobo leaves length of time of census register ground, all by reside a dwelling place to have family planning statistic now. 无论流动人口离开户籍地时间长短,均由现居住地进行计划生育统计。
- The results showed that the SPAD values of different parents flag leaf existed considerable difference, the parent existed considerable difference at different growth stages too. 结果表明:不同亲本剑叶SPAD值存在着较大的差异,同一亲本在不同的发育时期SPAD值也存在着较大的差异。
- Results showed that plant height, leaf biomass, leaf length, and chlorophyll content were generally higher in the low light intensities (III, IV) than in the high light intensities (I, II). 研究表明,在较弱光强(III、IV)下,水鬼蕉的株高、叶生物量、叶片长度、叶绿素含量通常显著高于较高光强(I、II)下的植物。