American Journal of Botany, Vol. 100, No. 8 (August 2013), pp. 1651-1662 (12 pages) Premise of the study: Historic colonization and contemporary evolutionary processes contribute to patterns of ...

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 ...

Richard G. Holloway, Vaughn M. Bryant, Jr. Fossil Picea pollen recovered from the Boriack Bog in central Texas are from layers radiocarbon dated as being older than 15,000 years in age. In an effort ...

Genomic selection (GS) is of interest in breeding because of its potential for predicting the genetic value of individuals and increasing genetic gains per unit of time. To date, very few studies have ...

Q: I planted Alberta spruce trees about 10 years ago, and one looks like a white spruce at the top. Can you tell me how and why this happened?- Walter, Livingston Manor A: The dwarf Alberta spruce ...

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Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...