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- Late season drought coinciding with the rice booting to heading stage affects the development of plant height, panicle exsertion, and flag leaf size, and causes significant yield loss. 水稻后期干旱条件下, 株高、剑叶长、剑叶宽以及包颈程度都会受到一定影响, 并导致产量的进一步损失。
- flag leaf size 剑叶大小
Late season drought coinciding with the rice booting to heading stage affects the development of plant height, panicle exsertion, and flag leaf size, and causes significant yield loss.
水稻后期干旱条件下, 株高、剑叶长、剑叶宽以及包颈程度都会受到一定影响, 并导致产量的进一步损失。- The dominant leaf size of the three kinds of forests was Mesophyll. 生活型谱和叶型谱都与热带南亚热带的群落相似。
- 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 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。
- It has a great influence on chlorophyll production, growth rate, leaf size, and flower and seed production. 它对叶绿素的制造、生长速度、叶子的大小、及花和种子的制造有很大的影响。
- 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;
- 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。
- There was no difference between the sport and the contrast in leaf size, phenophase, morphology of bur, nut rate, weight and quality of nut. 叶片大小、物候期、总苞形态、出实率、坚果大小和坚果品质等方面与对照无显著性别差异。
- 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 dominant leaf size was mesophyll with 93.18%, followed by microphyll with 4.55%. 叶级以中型叶为主,占93.;18%25,细叶次之,占4
- 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。
- 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。
- This species is widespread and exhibits great variability in plant height, leaf size and shape, and inflorescence length. 本种广布的并且在株高、叶的大小和形状以及花序长度方面显示出大量的变异。
- Moreover, the changes of internode length, leaf size and bract color were depended on the combination of seedling clone and commercial cultivar. 又嫁接后实生苗营养系节间长较短,叶片大小及苞叶颜色之改变,则因实生苗营养系或嫁接商业品种不同而异。
- 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
- The author also found differences in leaf shape, leaf size, leaf base, and leaf vestiture between adult and juvenile individuals of T. orientalis are ontogenetical variations. 而山黄麻的成株与幼株常在叶形、叶的大小、叶基、叶上下表面被毛程度有差异,为个体发育上的变异。