目前，花卉种植业作为一种新型产业，正在迅速发展，如何提高和改进花卉的繁殖技术，增大花卉的繁殖系数，成为提高花卉生产经济效益的关键。以前虽有不少有关花卉繁殖技术的报导，但都有占地面积大、繁殖系数低、受条件限制多不灵活的缺点。我在大量繁殖夹竹桃、木槿、扶桑、? At present, as a new type of industry, flower planting industry is developing rapidly. How to improve and improve flower breeding technology and increase the coefficient of flower propagation has become the key to increase the economic benefits of flower production. Although there have been many reports on flower breeding techniques before, they all have the disadvantages of large area, low reproduction coefficient and limited flexibility. I am massing oleander, hibiscus, hibiscus,?