Journal article
Zinc nutrition and leaf carbonic anhydrase activity ofEucalyptus maculata seedlings andTrifolium subterraneum
Plant and Soil, Vol.113(2), pp.287-290
1989
Abstract
Carbonic anhydrase activity in selected leaves was examined in relation to zinc supply to Eucalyptus maculata seedlings and Trifolium subterraneum grown in the glasshouse on a zinc-deficient sand. In both species, carbonic anhydrase activity was closely related to the zinc supply and fell to 0 in severely-deficient plants. Enzyme activity increased linearly as a function of the leaf zinc concentration. In E. maculata plants supplied with adequate zinc, carbonic anhydrase levels were only 3% of those in T. subterraneum. It is concluded that foliar zinc analysis is more sensitive than the carbonic anhydrase assay for determining the zinc status of E. maculata seedlings. Critical zinc concentration for young fully-expanded E. maculata leaves was between 9 and 10 μg g-1 dry matter.
Details
- Title
- Zinc nutrition and leaf carbonic anhydrase activity ofEucalyptus maculata seedlings andTrifolium subterraneum
- Authors/Creators
- B. Dell (Author/Creator) - Murdoch UniversityS.A. Wilson (Author/Creator) - Murdoch University
- Publication Details
- Plant and Soil, Vol.113(2), pp.287-290
- Publisher
- Kluwer Academic Publishers
- Identifiers
- 991005545261407891
- Copyright
- © 1989 Kluwer Academic Publishers
- Murdoch Affiliation
- School of Biological and Environmental Sciences
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.1474 Micronutrient Interactions
- Web Of Science research areas
- Agronomy
- Plant Sciences
- Soil Science
- ESI research areas
- Agricultural Sciences