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1.山东招远市读者杨玉问:我现已下岗,想搞雪松扦插繁殖小苗,请问应在什么条件下何时扦插?选择何种插穗成活率高? 答:雪松扦插繁殖需在双层薄膜温室内进行。先建常规日光温室,温室内再建一小薄膜棚,于春季新芽将要萌动时或秋季新生枝基部开始木质化停止生长期间,剪取先端稍木质化嫩枝长15～20厘米(基部踵状前段最好),将插穗基部浸于500 ppm奈乙酸
1. Shandong Zhaoyuan readers Yang Yu asked: I am now laid-off, want to engage in cedar cutting propagation seedlings, excuse me, when should the conditions of cuttings? Which cuttings to choose high survival rate? A: Cedar cutting propagation in the double-film greenhouse Within. The first to build a conventional greenhouse, the greenhouse to build a small film shed, in the spring sprouting will germinate or fall new branches at the beginning of lignification to stop growing during the first cut slightly lignified shoots 15 to 20 cm (basal heel-like front Best), the base cuttings immersed in 500 ppm naphthalene acetate