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Economic Significance of Continued Improvement of Loblolly Pine Genetics and Its Efficient Deployment to Landowners in the Southern United States
Journal of Forestry ( IF 2.3 ) Pub Date : 2020-12-01 , DOI: 10.1093/jofore/fvaa044
Steven E McKeand 1 , Kitt G Payn 1 , Austin J Heine 1 , Robert C Abt 1
Affiliation  

Abstract
The economic consequence of continuing or increasing the tree improvement efforts for loblolly pine (Pinus taeda L.) in the southern United States is immense. For the more than one million acres planted each year with germplasm from the North Carolina State University Cooperative Tree Improvement Program, the present value of continuing current tree breeding efforts and deploying the genetic gains to landowners is estimated to be more than $1.7 billion at current prices. The present value of increasing the rate of genetic gain from 1% per year to 1.1% per year is $211 million. These analyses can be used to justify maintaining and even increasing efforts in tree improvement. With the aggressive fourth-cycle breeding program underway and plans for fifth-cycle breeding and deployment strategies being developed, we have every reason to believe that this trend for at least 1% gain per year will continue for decades, provided the resources to continue tree improvement efforts remain available. Even a modest increase in genetic gain per year would be justification for stakeholders to invest more than $12 million per year to realize this gain.


中文翻译:

持续改善火炬松遗传及其在美国南部土地所有者中的有效部署的经济意义

摘要
继续或增加树改进工作火炬松的经济后果(火炬松L.)在美国南部是巨大的。对于北卡罗来纳州立大学合作树木改良计划每年种出的超过100万英亩的种质,按当前价格计算,持续进行当前树木育种工作并将遗传增益分配给土地所有者的现值估计超过17亿美元。 。将遗传增益从每年1%提高到每年1.1%的现值是2.11亿美元。这些分析可用于证明维持和甚至加大树木改良工作的合理性。随着积极的第四轮育种计划的进行以及第五轮育种和部署策略的制定,我们完全有理由相信,这种每年至少增长1%的趋势将持续数十年,提供继续进行树木改良工作的资源。即使每年遗传收益的适度增加,也有理由使利益相关者每年投资超过1200万美元以实现这一收益。
更新日期:2021-01-08
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