NDLI: Morphological changes in the apex of pea roots during and after recovery from aluminium treatment

Content Provider	Springer Nature Link
Author	Motoda, Hirotoshi Ka, Yoshio Hiragami, Fukumi Kawamura, Kenji Matsumoto, Hideaki
Copyright Year	2010
Abstract	We investigated how the pea (Pisum sativum cv. Harunoka) root, upon return to an Al-free condition, recovers from injury caused by exposure to Al. The growing region of the root during and after treatment with Al was examined by marking the root at intervals with India ink. Al-induced cell death was detected by staining with Evans blue. Root growth in 40 μM Al solution relative to that in Al-free solution (RRG) was approximately 45% from 6 h to12 h after the start of the treatment. However, values of RRG from 12 h to 24 h in Al-free solution for recovery or in the same Al solution were about 75% and 35%, respectively, indicating recovery from Al-induced growth inhibition. Images of the root characterized by zonal staining with Evans blue were observed in the sub-apical region (more than 1 mm from the tip) in Al-stressed roots. However, the interval of the stained zone was widened in the root after recovery from Al-induced growth inhibition, though it was narrower and more densely stained with time in the Al-stressed roots. During the recovery, the root apex may resume elongation in a specified region without Al-induced death or injury in cells detected by Evans blue.
Starting Page	49
Ending Page	58
Page Count	10
File Format	PDF
ISSN	0032079X
Journal	Plant and Soil
Volume Number	333
Issue Number	1-2
e-ISSN	15735036
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-02-24
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Al stress Inhibition Injury Pea Recovery Root apex Ecology Plant Physiology Soil Science & Conservation Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Soil Science Plant Science

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