论文部分内容阅读
耐寒杂种美国佛罗里达州1981年1月出现-10.0℃毁灭性冻害后,若干商品柑桔品种如佩奇桔、风梨甜橙、红葡萄柚等的果实、叶片、乃至枝梢都严重受害;但栽植在它们近旁的一些新育成的柑桔杂种,却受害很轻或完全无损(佩奇桔为桔柚与红桔的杂种,为佛州商品柑桔中最耐寒的品种之一——编注)。
Cold hardiness species Florida, January 1981 -10.0 ℃ devastating frost damage, a number of commercial citrus varieties such as peculiar orange, wind pear red, red grapefruit and other fruits, leaves, and even shoots are seriously affected; but Some newly bred citrus hybrids, planted near them, are harmed lightly or completely without damage (Pechli, a hybrid between tangerine and red tangerine, is one of the most cold-tolerant varieties of Florida citrus - ).