Six methods for testing the v iability of Hevea seeds were compared.
采用比较研究法,比较了6种方法测定橡胶树种子活力的准确度.
互联网
The two - part rubber tree ( Hevea brasiliensis ) is a superior clone grafted on a seedling family.
在橡胶树优良有性系实生苗上嫁接优良无性系,即形成两合树.
互联网
If they could be turned into usable crops , they could outstrip even Hevea.
蒲公英被视为杂草, 是因为它们生命力强,生长迅速.
互联网
GA 3 application had the same effect on Hevea brasiliensis phloem as that on Melia azedarach.
施用GA3的作用与苦楝树相似.
互联网