论文部分内容阅读
1 攻关的任务、考核目标及主要技术经济指标1.1 攻关任务(1)提高桉树纸浆材人工林产量和质量。(2)提高优良品种的抗逆性。(3)完善栽培配套技术,缩短轮伐期,提高桉树纸浆材人工林的经济效益和社会效益,满足国内市场对纸浆材的需求。1.2 主要研究内容(1)以生长量、木材密度、纤维性能等性状为选择指标,在尾叶桉、细叶桉、兰桉和巨尾桉中选育纸浆材优良品种。(2)桉树抗风、抗寒、抗青枯病品种选育研究。首先收集国内现有生长量高的遗传材
1 research tasks, assessment objectives and major technical and economic indicators 1.1 tackling tasks (1) to improve the yield and quality of eucalyptus pulp plantation. (2) improve the resistance of good varieties. (3) Perfecting the cultivation supporting technologies, shortening the rotation period, improving the economic and social benefits of the eucalyptus pulpwood plantation, and meeting the demand of the pulpwood in the domestic market. 1.2 Main research contents (1) Selection of elite varieties such as growth, wood density, fiber properties and other traits, Eucalyptus urophylla, Eucalyptus urophylla, Eucalyptus grandis and Eucalyptus grandis Eucalyptus were selected. (2) Eucalyptus wind-resistant, cold-resistant, resistant to bacterial wilt varieties breeding research. First of all, collect the existing high-growth genetic material in China