Improved Quality Pine Seedlings: What To Expect at Early Ages
Genetically improved seedlings have helped increase growth rates of forest tree species around the world. Some of the most sophisticated pine tree improvement programs are in the southeastern United States. Covering this region are three tree improvement cooperatives that have been working on genetically improving pine for over 50 years. About 14 million dollars are spent annually to breed, test, select, and produce improved loblolly and slash pine. The results have been impressive: every analysis shows that the returns on the investment of planting genetically improved loblolly and slash pine are very good (McKeand et al. 2007)
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