本研究针对阿尔伯塔省林木改良项目中种子供应与再造林需求不匹配的问题，由当地研究人员通过分析6个扭叶松(Pinus contorta var. latifolia)和8个白云杉(Picea glauca)种子园的历史数据，开发了可视化预测工具，发现多个低产园区并提出扩建方案，对提升林木遗传改良 ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Red spruce, Picea rubens, is a common forest tree of the Acadian forest ...

On May 22, 2025, the Coalition for Fair Trade in Hardwood Plywood (the “Coalition” or “Petitioner”), filed a petition for the imposition of antidumping and countervailing duties on U.S. imports of ...

This is a preview. Log in through your library . Abstract Smear preparations of cells taken from primary explants of normal and adjacent tumor wood of Picea glauca showed completely regular mitotic ...

Picea pungens，通常被称作科罗拉多云杉或蓝云杉，是美国特有植物，因松针被蓝粉，国内也翻译成蓝粉云杉。但也有一种叫法是蓝杉或科罗拉多蓝杉。 私以为，对进口植物，最好按原产地叫法。Picea abies叫挪威云杉（Norway spruce），Picea glauca叫白云杉（White spruce ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Baldcypress grows into a large tree and the bark is gray-brown to red-brown, ...

In Maine, spruce budworm (SBW) feeds primarily on balsam fir (Abies balsamea) and white spruce (Picea glauca), but also readily attacks other spruce species (Picea spp.), larch (Larix laricina), and ...

Thank you for signing up! Did you know with a Digital Subscription to Edinburgh News, you can get unlimited access to the website including our premium content, as well as benefiting from fewer ads, ...

WHAT IF YOU could grow a rose that offered nine months of gorgeous foliage and a fountainlike presence in the garden, with delicate blooms and ornamental fruit for wildlife? Rather than strain ...