taproot

英 [ˈtæpruːt]

美 [ˈtæpruːt]

n.  (植物的)直根，主根

医学

COCA.33155

牛津词典

noun

• （植物的）直根，主根
  the main root of a plant that grows straight downwards and produces smaller side roots

英英释义

noun

• something that provides an important central source for growth or development
  1. the taproot of his resentment
  2. genius and insanity spring from the same taproot
• (botany) main root of a plant growing straight downward from the stem

双语例句

• The root system of the soybean consists of a taproot formed by the radicle.
  大豆的根系包括由胚根形成的主根。
• Meanwhile, the waterlogging promoted the formation and development of cortex aerenchyma in taproot.
  同时，渍水也促进了主根皮层通气组织的形成和发育。
• There was a difference in diameter of taproot and collar, which had a decisive impact on the growth of other root morphology,. Especially the taproot growth had an important impact on plant growth.
  主根直径和根颈直径对其他根系性状具有决定性影响，特别是主根的发育对植株生长具有重要影响。
• Phosphate fertilizer has certain promoting effect on taproot plus lateral root, but reduces the growth of adventitious root, resulting in the amount of roots decrease.
  磷肥的施用对主根+侧根部分的发育虽有一定的促进效应，但是却减少了不定根的发育，使最终的根系总量有所减少。
• This is characterized by,( 1) like seedlings anther plants having a strong taproot and lateral roots;
  和实生苗一样有一条粗壮的主根及一轮侧根；
• But the height of container seedling, crown of container seedling, length of taproot, amount of lateral roots, fresh weight and content of chlorophyll were not effective indices to reflect quality of Chinese Pine container seedling.
  苗高、冠幅、主根长、侧根数、鲜重以及叶绿素含量对反映油松容器苗的质量不是有效指标。
• The data suggested that GMP could play an important role in the regulation of ascorbate accumulation during radish fleshy taproot development. ( 3) Compared the AsA contents of mature leaves, young leaves, root flesh and skin of radish under light treatment.
  以上数据推断出，GMP可能在萝卜肉质根AsA累积中起着重要的作用。（3）比较了在光照处理下萝卜成熟叶、幼叶、根肉以及根皮4个部位中AsA含量的变化。
• This map was subsequently used in the QTL mapping of biomass, over ground weight, plant height, plant breath 1 2, leaf length and width of the biggest leaf, leaf number, taproot diameter 1 2 and taproot weight.
  利用该图谱对植株的生物学产量、地上部重、株高、株幅12、最大叶长、最大叶宽、叶数、直根直径12和直根重等性状进行QTL定位。
• The results indicated that nitrogen fertilizer could wide taproot diameter, root crown diameter, increase root dry matter yield, and move up first lateral root position significantly. These root traits were effectively correlated with shoot dry matter yield.
  试验结果显示，氮肥有效地促进了紫花苜蓿根系中主根及根颈膨大，第一侧根发生位置上移，根系干重增加，这些根系性状是促进地上部干重增加的有效因子。
• Taproot diameter and collar diameter played major role in root growth, and had an important impact on plant growth.
  主根直径和根颈直径是影响根系生长的主要因素，也是影响地上部生长的重要因素。