摘要
用不同浓度的吲哚乙酸、萘乙酸和吲哚丁酸处理龙翅海棠的插条,测定了不同条件下的生根情况,另以氮、磷、钾比例不同的3种营养液水培龙翅海棠,筛选最佳配方。结果表明:浓度为100 mg/L的吲哚丁酸处理插条2 h可显著提高其根长和根鲜重;从叶片和根系生长及植株整体状况考虑,营养液氮、磷、钾的最佳比例为6∶1∶7,该比例下植株根系生长旺盛、根毛丰富、新叶生长快,应为生产首选。
Choosed the best scheme by determined the growth situation of the cutting of the Drgeon begonia, which dealed with different concentration of the IAA, NAA,IBA. And selected the best formulation of nutrient solution by cultivated the Drgeon begonia with the nutrient solution of different ratios of N, P and K. The results showed as the followed： dealed with the cutting 2 hours by 100 mg/L of IBA could signifieantly increase the length and fresh weight of the roots. And taking the growth of the leaves, roots and the whole plants into account, the best formulation was 6 ： 1 ： 7 （N ： P ： K）. The roots grew vigorous , root hairs were rich, new leaves grew fast, so the sheme and the formulation would he best to production.
出处
《北方园艺》
CAS
北大核心
2009年第5期192-194,共3页
Northern Horticulture
基金
阜阳职业技术学院院级教研科研资助项目(20070702)
关键词
龙翅海棠
水培
植物激素
营养液
Drgeon begonia
Hydroponic culture
Plant hormones
Nutrient solution
