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首页> 外文期刊>Journal of Tropical Forest Science >PROVENANCE VARIATION IN GROWTH, PHYSIOLOGY, ANATOMICAL CHARACTERISTICS AND FOLIAR NUTRIENT STATUS OF TEAK (TECTONA GRANDIS) SEEDLINGS
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PROVENANCE VARIATION IN GROWTH, PHYSIOLOGY, ANATOMICAL CHARACTERISTICS AND FOLIAR NUTRIENT STATUS OF TEAK (TECTONA GRANDIS) SEEDLINGS

机译：柚木（TECTONA GRANDIS）幼苗的生长，生理学，解剖学特征和叶片营养状况的种源变化

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摘要

Teak seedlings representing seven provenances from Kerala (India) were examined for their differences in characteristics between June 1995 and July 1996 Seeds collected and bulked by provenance were pretreated and sown in a nursery. Data were collected on growth attributes, physiological and anatomical parameters, and foliar nutrient status of the seedlings. Large variations among provenances were observed in growth characteristics such as dry weight of stem, leaf and root, and specific leaf area. Provenances Parambikulam, Nilambur and Malayattur were found, during most of the observation intervals, to grow faster, while the local provenance (Thrissur) generally showed the lowest values. Physiological parameters such as photosynthetic rate, transpiration rate, leaf water potential and relative water content, and anatomical characteristics such as stomatal frequency were also found to be significantly higher in provenances Parambikulam, Nilambur and Malayattur. These three provenances also registered a high concentration of nutrients in different plant parts, showing their superior performance in the nursery.
机译：检查了代表印度喀拉拉邦7种种源的柚木幼苗在1995年6月至1996年7月之间的特性差异，对经过种源收集和繁殖的种子进行了预处理，并在苗圃播种。收集有关幼苗的生长属性，生理和解剖参数以及叶面营养状况的数据。种源之间的生长特征存在很大差异，例如茎，叶和根的干重以及比叶面积。在大多数观察间隔内，发现种源Parambikulam，Nilambur和Malayattur生长更快，而本地种源（Thrissur）通常显示最低值。在种源Parambikulam，Nilambur和Malayattur中，还发现诸如光合速率，蒸腾速率，叶片水势和相对含水量等生理参数以及诸如气孔频率的解剖特征明显更高。这三个种源还记录了植物不同部位的高浓度养分，显示了它们在苗圃中的优异表现。

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