ponderosa

1. Ultimately, global warming may eliminate the iconic ponderosa pine forests.
   最终，全球变暖会使标志性的黄松森林消失。
2. Outside Bend, residents and tourists fish, hike, bicycle, mountain climb, ride snow-machines, and ski in beautiful forests of Ponderosa pine.
   你可以看到居民和游客们在本德镇的郊外钓鱼，徒步旅行，骑自行车，登山，在美丽的黄松林中滑雪；
3. Using 2-year-old Pinus tabulaeformis as stock and the branches of 4-year-old Pinus ponderosa as scions, the factors affecting the survival rate of grafting such as grafting method, skill, time, scion treatment, stock age and weather condition were all studied.
   以2年生的油松为砧木，4年生的美国黄松侧枝为接穗，对影响嫁接成活率的嫁接方法、嫁接技术、嫁接时间、接穗处理、砧木年龄、气象因子等因素进行研究。
4. Study on the growth of introduced Pinus ponderosa on the Loess Plateau
   黄土高原美国黄松引种生长调查研究
5. The nursery trial showed that the seeds of Pinus ponderosa has a high percentage of germination, can sprout without any treatment ( e.g.stored in sand), but it is irresistant to moisture.
   通过育苗试验得出，美国黄松种子发芽率高，不经任何处理（如沙藏）措施均能萌发；
6. Adventitious Bud and Root Formation of Pinus ponderosa Cultured in vitro
   美国黄松离体胚培养条件下不定芽的形成与根产生的研究
7. On the basis of recounting details of Pinus ponderosa in the world and domestic, its prominent characteristics of growth in Yanan arboretum on the loess plateau has been emphasized on the paper.
   在阐述了世界和我国引种栽培美国黄松的基础上，着重阐述了黄土高原延安树木园引种栽培生长的突出表现。
8. Study on root regeneration from adventitious buds in Pinus ponderosa
   美国黄松组织培养不定根诱导的研究
9. The adventitious buds of Pinus ponderosa were used to induce adventitious roots on GD, SH, 1/ 2 SH media supplemented with different concentration of NAA and IAA.
   以GD、SH和1/2SH基本培养基对美国黄松不定芽进行不定根的诱导。
10. Conifers Combustion Comparison of Pine Trees in Qinling Mountains and Pinus Ponderosa Combustion properties of Phyllostachys pubescens wood at different ages
    美国黄松与秦岭主要松属种叶燃烧性比较不同竹龄毛竹材燃烧性能的研究
11. Action of Different Mature Embryos of Pinus ponderosa on Tissue Culture
    不同美国黄松成熟胚对组织培养的反应
12. Studies on Introduction of Pinus ponderosa
    黄松引种研究

noun

1. common and widely distributed tall timber pine of western North America having dark green needles in bunches of 2 to 5 and thick bark with dark brown plates when mature

   Synonym:    ponderosa pinewestern yellow pinebull pinePinus ponderosa