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林业科学 ›› 2003, Vol. 39 ›› Issue (zk): 68-73.doi: 10.11707/j.1001-7488.2003S113

• 论文及研究报告 • 上一篇    下一篇

厦门园林植物园 1 0种榕属植物叶热值与灰分含量的研究

向平1 林益明2 彭在清5 丁印龙3 谭忠奇4   

  1. 厦门大学生命科学学院,厦门361005;厦门园林植物园,厦门361003
  • 收稿日期:2003-03-21 修回日期:1900-01-01 出版日期:2003-12-25 发布日期:2003-12-25

STUDY ON CALORIC VALUES AND ASH CONTENTS IN THE LEAVES OF TEN FICUS SPECIES AT XIAMEN BOTANICAL GARDEN

Xiang Ping2,Lin Yiming2,Peng Zaiqing5,Ding Yinlong3,Tan Zhongqi4   

  1. School of Life Sciences, Xiamen University Xiamen361005;Xiamen Botanical Garden Xiamen361003
  • Received:2003-03-21 Revised:1900-01-01 Online:2003-12-25 Published:2003-12-25

摘要:

在春秋两季对厦门园林植物园的1 0种榕属植物(垂叶榕、黄金榕、小叶榕、大叶榕、高山榕、橡皮树、花叶橡皮树、菩提树、大果榕、无花果)叶的热值和灰分含量进行了研究。结果表明:(1) 10种榕属植物具有较高的灰分含量,其中垂叶榕、大叶榕、小叶榕、黄金榕、无花果春秋两季的灰分含量均在10%以上;10种榕属植物叶的灰分含量具有不同的季节变化趋势。(2)高山榕、橡皮树、大果榕的干重热值较高,均在20.20kJ·g-1 以上;而大叶榕、垂叶榕、黄金榕、菩提树、无花果的干重热值较低,在19.0kJ·g-1 以下;10种榕属植物中,7种的干重热值春季比秋季高,3种秋季比春季高。(3)园林植物园1 0种榕属植物叶的干重热值与灰分含量分别在2001年11月(秋季)与2002年5月(春季)具有极显著(P<0.01)与显著的线性相关(P<0.05)。(4)高山榕、橡皮树、垂叶榕的去灰分热值较高,春秋两季均在22.0kJ·g-1 以上;而无花果、菩提树、大叶榕的去灰分热值较低,基本上在21.0kJ·g-1 以下。

关键词: 厦门园林植物园, 榕属植物, 灰分, 热值

Abstract:

The caloric values and ash contents in the leaves of ten Ficus species (F. benjamina, F. microcarpa cv. golden leaves, F. concinna, F. laco, F. virens, F. elastica, F. elastica var. variegata, F. religiosa, F. auriculata, F. carica) at Xiamen Botanical Garden in spring and autumn were measured in this paper. The results showed as follows: (1) Ten Ficus species had the high ash contents, with the ash contents of over 10% for F. benjamina, F. laco, F. concinna, F. microcarpa cv. golden leaves and F. carica; (2) F. virens, F. elastica and F. auriculata had the high gross caloric values (over 20.20 kJ·g-1), F. laco, F. benjamina, F. microcarpa cv. golden leaves, F. religiosa and F. carica had the low gross caloric values (<19.00 kJ·g-1), meanwhile, seven species had the higher gross caloric values in spring than in autumn, but three species had opposite results; (3) Gross caloric values were correlated remarkably with ash contents both in Spring (P<0.01) and Autumn (P<0.05); (4) F. virens, F. elastica and F. benjamina had the high ash free caloric values (over 22.00 kJ·g-1), F. carica, F. religiosa and F. laco had the low ash-free caloric values (<21.0 kJ·g -1).

Key words: Xiamen Botanical Garden, Ficus species, Ash contents, Caloric values