THROB
发表于 2025-3-27 00:54:36
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Tailor
发表于 2025-3-27 04:06:03
Somatic Embryogenesis in Eastern White Pine (, L.),of the family Pinaceae of the order Coniferae (.). Like all other species of ., the haploid genome of . consists of 12 chromosomes and its diploid genome has 24 chromosomes. It belongs to the group known as soft pines and is closely related to western white pine (. Dougl.) and sugar pine (. Dougl.).
消瘦
发表于 2025-3-27 07:02:08
Somatic Embryogenesis in Douglas-fir (,),mber species in the Pacific Northwest of America, where it reaches up to 126 m in height and 5 m in diameter (.) and a standing volume up to 5,460 m./h in the old growth stands. The forest industry is an important contributor to the base economy and employment in western North America, especially in
轿车
发表于 2025-3-27 12:41:22
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GULLY
发表于 2025-3-27 15:19:56
Somatic Embryogenesis in , (white spruce), , (Engelmann spruce) and , complex (interior spruce),ural range and is used primarily as an ornamental species (.). The six native species have been broadly categorized in two groups, based on hybridization abilities (.). In one group, interbreeding occurs between . (black spruce), which is widely distributed from east to west, and . (red spruce), which is found in the east.
王得到
发表于 2025-3-27 21:46:10
Somatic Embryogenesis in Red Spruce (, Sarg.),lly wind-firm. . can grow to approximately 21 to 24 m in height and 30 to 60 cm in diameter (Fig. 1). Good cone production usually begins after the tree is 30 years old, with good seed crops every 3 to 8 years (.).
马具
发表于 2025-3-27 23:41:28
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Annotate
发表于 2025-3-28 05:21:59
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使隔离
发表于 2025-3-28 08:51:56
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技术
发表于 2025-3-28 13:17:17
Somatic Embryogenesis in , (Mill.),ds extremes of heat and cold. There are a few reports on hybridization between . and other species i.e., red spruce (.), white spruce (., Jeddo spruce (..), Norway spruce (.), and Serbian spruce (.) (.; .). Hybrid swarms of . X . are common particularly in the suitable intermediate habitats which occur in the eastern part of the . range (.).