@article{matzirisVariationGrowthBranching1989,
  title = {Variation in Growth and Branching Characters in Black Pine ({{Pinus}} Nigra {{Arnold}}) of {{Peloponnesos}}},
  author = {Matziris, D. I.},
  date = {1989},
  journaltitle = {Silvae Genetica},
  volume = {38},
  pages = {77--81},
  url = {https://tinyurl.com/tom7gln},
  abstract = {In a black pine (Pinus nigra ARNOLD) seed orchard, comprising 52 clones selected from the natural forest of Peloponnesos, Greece, the following 16 growth and branching characters were studied: tree height, length of terminal shoot, number of lateral buds, number of branches, branch length, branch thickness and branch angle in the first, second, and third whorl, as well as crown diameter. For all characters there exist significant clone differences. The length of terminal shoot varied from 42 cm to 74 cm (overall mean 55cm); the corresponding number of lateral buds was 3.3 and 7.1. The branch angle increases with whorl number (age), while the number of branches decreases. Correlation coefficients (phenotypic) are variable, with the highest value (0.82) found between branch length of the third whorl and crown diameter. Repeatability values on individual tree and clone mean bases were estimated. In all cases branch length was found to be stronger genetically controlled than branch thickness. The values increase with whorl number (age).},
  keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-13504761,correlation-analysis,pinus-nigra,repeatability,seed-orchard},
  number = {3-4}
}

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