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花草用叶繁殖,繁殖系数高,简便经济,可提高种植花草的兴趣。这类植物大都叶片肥厚,叶柄和叶脉粗壮,能自叶上产生不定根和不定芽,发育成新株。叶插要保持高温高湿的条件。有的可用玻璃板或塑料薄膜覆盖以及在苗床内进行。花卉爱好者对用叶繁殖感到新鲜好奇,儿童对用叶能长成新株更具有浓厚兴趣。中学植物学课本中只介绍秋海棠叶插,实际上能用叶繁殖的花草不少,现介绍8科20种叶插花草作参考:
Flowers with leaves breeding, breeding coefficient is high, simple and economical, can increase the interest of planting flowers. Most of these plants are hypertrophy leaves, petiole and vein thick, can produce adventitious roots and adventitious buds, develop into new strains. Leaf plug to maintain the conditions of high temperature and humidity. Some can be covered with glass or plastic film and carried out in the seedbed. Flower lovers feel fresh and curious about breeding leaves, and children are more interested in growing new ones with leaves. High school botany text only introduced begonia leaf plug, in fact, a lot of flowers can be used to reproduce the leaf, are now introduced 8 kinds of leaf 20 kinds of flowers for reference: