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華北地區(qū)楊樹良種基地管理技術(shù)研究

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摘 要:楊樹作為國家良種資源,是北方地區(qū)綠化種植的重要樹種之一。該文闡述了華北地區(qū)楊樹良種基地培育取得的成效,分析了楊樹良種培育的重要性,介紹了楊樹良種培育的主要技術(shù)措施,剖析了基地管理中存在的主要問題,并提出了未來培育的主要方向和對策建議,以期為北方地區(qū)楊樹良種的培育和繁殖提供參考。

關(guān)鍵詞:楊樹;良種;基地管理;華北地區(qū)

中圖分類號 S792.11 文獻(xiàn)標(biāo)識碼 A 文章編號 1007-7731(2022)05-0097-03

Abstract: Poplar, as a national excellent seed resource, is one of the important tree species for greening planting in North China. This paper expounds the achievements of poplar good seed base cultivation in North China, analyzes the importance of poplar good seed cultivation, adds the main technical measures for Poplar good seed cultivation, and analyzes the main problems existing in base management, The main directions and suggestions for future cultivation were put forward, which provided a reliable basis for the cultivation and reproduction of good poplar species in North China.

Key words: Poplar species; Seeds; Base management; North China

我國森林資源匱乏,木材對外依存度已超過50%。(剩余4521字)

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