Morpholog ica l Var ia tion among D ifferent Sources of P te roce ltis ta ta rinow iiin Warm Tempera te Zone
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1.
Research Institute of Forestry, CAF
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2.
Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing 100091, China
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3.
Taian Forest Bureau of Shandong Province, Taian 271018, Shandong, China
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Received Date:
2007-01-29
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Abstract
Wild resources of Pteroceltis tatarinow ii Maxim. were investigated and morphological characteristics ofleaves, fruits and seedswere measured in 2005. In L ingyan Temp le of Shandong , the trees grow in the temp le andalong the roads. In addition to the two Pteroceltis tatarinow ii, the average DBH and height of the other trees were24. 32 cm and 10. 05 m respectively. The stands inMiaofengMountain distributed only in the valley of Dishuiyanwith the average DBH of 16. 12 cm and average height of 11. 50 cm. Pteroceltis tatarinow ii could naturally rep roducein wild habitat and only a few natural rep roduced seedlings were found at Lingyan Temp le. The results of varianceanalysis showed that there was significant difference of 9 characteristics among different individual trees of the samesource. Excep t for width of fruit wing, 8 morphological characteristics significantly differed among three sources.Significant difference exited in leaf length and leaf width among three sources. Although there was no significantdifference in seed and nut features between two different sources in Beijing, those characteristics of Pteroceltista tarinow ii from Beijing source were obviously different with those from Shangdong. The seeds from Shandong werethe smallest and lightest. There was distinctness in morphological quality characteristics from different trees.
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