|Table of Contents|

Effect of foliar trichomes of Tillandsia velutina on the absorption of air pollutant formaldehyde(PDF)

Chinese Journal of Applied & Environmental Biology[ISSN:1006-687X/CN:51-1482/Q]

Issue:
2014 02
Page:
310-314
Research Field:
Communications
Publishing date:

Info

Title:
Effect of foliar trichomes of Tillandsia velutina on the absorption of air pollutant formaldehyde
Author(s):
LIU Zaijie LI Peng ZHENG Guiling
1 School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China 2 College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
Keywords:
Tillandsia bioremediation leave structure formaldehyde pollution
CLC:
X173 : X51
PACS:
DOI:
10.3724/SP.J.1145.2014.00310
DocumentCode:

Abstract:
In order to explore the effect of foliar trichomes of epiphyte Tillandsia on formaldehyde absorption, we investigated whether the trichomes influence formaldehyde purification through artificially removing trichomes of T. velutina. The results showed that the wing cells of trichomes were almost completely removed, while the ring cells and disc cells were destroyed partially. Epidermal cells which were covered before by trichomes were exposed after artificial treatment. All plants of T. velutina adsorbed formaldehyde efficiently, but the ability of purifying formaldehyde in plants with trichomes was apparently stronger than those without trichomes. However, the numbers of trichomes were not proportional to the ability of purifying formaldehyde. Therefore, epiphyte Tillandsia purifying formaldehyde is a complicated process in which foliar trichomes play an important role. Other structures, for example, epidermal cells, may also affect the absorption of formaldehyde.

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Last Update: 2014-05-04