紫椴优质苗木繁育与大径材定向培育技术数据集

本数据针对紫椴种源稀缺，苗木繁育技术不成熟以及造林成活率、保存率低等问题。从种子采集、种子性状测定、播种苗繁育和嫩枝扦插育苗、组培育苗等繁育技术方面开展了研究，基于紫椴天然林开展了适生立地筛选、结构化经营等技术研究，基于紫椴人工林开展了造林制约因素防控和定向培育技术等研究，并形成了紫椴优质苗木规模化繁育技术体系。数据集包含65个数据表，91588条记录，为紫椴优质苗木繁育和定向培育技术调查和试验数据的实测值。

This dataset addresses the challenges including scarce seed sources of Amur linden (Tilia amurensis), immature seedling propagation technologies, and low afforestation survival and stocking rates. Research has been conducted on propagation technologies such as seed collection, seed trait measurement, sowing seedling propagation, softwood cutting nursery, and tissue culture seedling cultivation. Additionally, technical studies including suitable site screening and structured forest management were carried out based on natural Amur linden forests, while studies on prevention and control of afforestation limiting factors and targeted cultivation technologies were performed based on planted Amur linden forests. A large-scale propagation technical system for high-quality Amur linden seedlings has been established. The dataset contains 65 data tables and 91588 records, which hold measured values from surveys and experimental data for high-quality seedling propagation and targeted cultivation technologies of Amur linden.

搜集汇总

背景与挑战

背景概述

该数据集聚焦于紫椴的优质苗木繁育与大径材定向培育技术，针对种源稀缺和繁育技术不成熟等问题，开展了从种子采集到组培育苗、立地筛选到定向培育的系统研究。数据集包含2017年至2021年的实测数据，涵盖65个数据表和91588条记录，属于'北方主要珍贵用材树种高效培育技术研究'项目。