母树林(Seed production stand)是在优良天然林或确知种源的优良人工林的基础上，通过留优去劣的疏伐，为生产遗传品质较好的林木种子而营建的采种林分。（引自GB/T11620-1996林木育种及种子管理术语）。
疏伐强度与母树林单位面积产种量相关密切；
The thinning intensity and seed production per unit area wereclosely interrelated;
利用设置在福建省武平县的马尾松遗传增益测定林材料，以验证优良种源、母树林及种子园混系的现实遗传增益。
The genetic gain test plantations of masson pine located in Wuping of Fujian (China) were used to certificate realized genetic gain of superior provenances, seed stands and clonal seed orchards.
文章报导了我国中亚热带地区湿地松、火炬松和晚松种子园和母树林中的害虫种类，共3 4种，涉及7目1 8科。
The paper deals with 34 species of insect pests in orchards and seed stands of mid subtropical area in China. They belong to 18 families, 7 orders.
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