The experiments showed that the rooting ability of hardwood cuttings was determined by both presence of latentroot primodia and balance of endogenous hormones bark.
试验表明，硬枝扦插生根是潜伏根原基存在与否和皮部内源激素平衡两方面的原因决定的。
2
Latentroot primordium was not found in shoots in test tubes. The induced root primordium which originated from the division and differentiation of pith ray cell developed into the adventitious roots.