To gain tetraploid watermelon resource some diploid was treated with colchicine by means of soaking seeds before germination, dropping and daubing the terminal but of young plant.
本研究一方面用秋水仙素浸种、滴苗和涂抹对二倍体西瓜进行处理，将二倍体诱导为四倍体。
Soaking sweet sorghum seeds in Ca2+, Zn2+ and their mixturecan improve the growth of the seedling, the length of the root, the number of roots and the height of seedling.
及二者混合对甜高梁进行浸种处理可促进幼苗生长，增加根长、根数及苗高；
These results suggested that pre-soaking seeds with NO donor (SNP) increased the salt-tolerance of wheat seedlings partly due to alleviating the oxidative damage induced by salt stress.
这些结果表明：SNP浸种预处理能提高小麦幼苗对盐胁迫的抵抗力主要是由于其缓解了盐诱导的叶片氧化损伤所致。
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