品种

• When a pure line variety is grown at close spacing there is a competition effect .
  当一个纯系品种在密的植距下生长时有一种竞争效应。
• The first period of rapid growth is nearly equal in duration for all cultivars .
  第一次迅速生长期的长短对所有品种来说，几乎是相同的。
• He suggested that the varieties tested had different diffusive resistance to co2 .
  他提出，供试验用的品种对二氧化碳有不同的扩散阻力。
• In seeds of most varieties imbibition of water takes place rapidly following planting .
  大多数品种种子的水分吸胀作用在播种后进行很快。
• Not only the number of cultivars developed, but also many have attained prominence .
  不仅因为品种的数量增加了，而且许多品种是卓越的。
• Such rootstocks or cultivars were reproduced true to type by vegetative propagation .
  这些钻木和品种，通过无性繁殖长成和亲本一样的类型。
• Some cultivars also form fruit buds on the tips of the current season's vegetative shoots .
  一些栽培品种也在当年的生长枝的顶端形成花芽。
• The manner of flight, and in some breeds the voice and disposition, differs remarkably .
  飞翔的姿势，有些品种的鸣声和性格，有显著的差别。