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前言木本楝科植物广泛分布于我国南部、西南部和中部地区。我国民间素有在宅前屋后种植楝树的习惯,并认为这种树的种子、叶、皮、根、木材皆有驱虫、杀虫作用,业已证明,楝科植物所含的有效成分对多种昆虫有忌避、拒食及抑制生长发育的作用(赵善欢等,1983)。在自然界里,白蚁对生长旺盛的苦楝 Melia azedarach 和红椿 Toona sureni,基本上不能侵袭,虽然这两种木材的硬度和比重都不大。本文介绍在实验室内用楝科植物的木材、种
Introduction Woody Meliaceae plants are widely distributed in southern China, southwest and central regions. China’s folk has always had the habit of planting neem trees in the houses before the house, and believes that the seeds, leaves, skins, roots and wood of this tree are repellent and insecticidal. It has been proved that the active ingredients contained in the plants of neem families A variety of insects have avoidance, antifeedant and inhibit the role of growth and development (Zhao Shan Huan et al., 1983). In nature, termites on the growth of Melia azedarach and red toona sureni, basically can not attack, although the two kinds of wood hardness and specific gravity are not large. This article describes the use of neem plants in the laboratory of wood, species