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    This study assessed the effects of spacing and genotype on the growth and physiology of improved loblolly pine (Pinus taeda L.) seedlings from three distinct genotypes planted in Drew County, Arkansas (USA). Genotype had a significant effect on survival and height. Clone CF Var 1 showed greater height and survival compared to other seedlings. Genotype had significant effects on uniformity in height both years and ground line diameter (GLD) first year. However, genotype had no significant effects on leaf water potential and coefficient variation of leaf water potential. These growth and physiology should be further studied to assess potential genetic differences among seedlings and to determine if they can be identified early for improved growth at later ages.

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    Sharma, Shakuntala; Adams, Joshua P.; Schuler, Jamie L.; Ficklin, Robert L.; Bragg, Don C. 2016. Effect of seedling stock on the early stand development and physiology of improved loblolly pine (Pinus taeda L.) seedlings. iForest. 9: 690-695.


    Loblolly Pine, Genotype, Leaf Water Potential, Coefficient of Variation

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