Effects of aluminium on photosynthetic performance in Al-sensitive and Al-tolerant maize inbred lines

Title:

Effects of aluminium on photosynthetic performance in Al-sensitive and Al-tolerant maize inbred lines

Creator:

Mihailovic, N., Drazic, G., and Vucinic, Z.

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:6395b494-dc0f-4a4e-940d-35cd3b0d58b4
uuid:6395b494-dc0f-4a4e-940d-35cd3b0d58b4
issn:0300-3604
doi:10.1007/s11099-008-0082-0

Subject:

5-aminolevulinic acid, chlorophyll, chlorophyllase, Fe, genotype susceptibility, Mg, Mn, N., photosystem 2, root, and shoot

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

Maize plant inbred lines, one Al-sensitive (B-73) and two Al-tolerant (F-2 and L-2039), were grown hydroponically in the presence of 200 µM Al. After 13 d of growth, root and shoot lengths, photosystem 2 (PS2) activity, chlorophyll (Chl) content, 5-aminolevulinic acid (5-ALA) synthesis rate, chlorophyllase (Chlase) activity, and N, Mg, Fe, and Mn contents in leaves were determined. PS2 activity and Chl content were most severely affected by Al in B-73, but F-2 was almost unaffected. This was in accordance with Al-accumulation in the plants. The observed changes in B-73 coincided with 5-ALA synthesis inhibition, Chlase activation, and leaf deprivation of Fe and Mg. In Al-treated L-2039 plants, the leaf Mg and Mn contents were decreased. Also, an excessive Chlase activation was found in Al-treated L-2039, without a substantial Chl loss. This may indicate the activation of different enzyme pools in tolerant and sensitive genotypes under low-stress conditions. and N. Mihailovic, G. Drazic, Z. Vucinic.

Language:

Multiple languages

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

476-480

Source:

Photosynthetica | 2008 Volume:46 | Number:3

Harvested from:

CDK

Metadata only:

false