Journal article
Diagnosis of zinc deficiency in peanut (Arachis hypogaea L.) by plant analysis
Communications in Soil Science and Plant Analysis, Vol.21(3-4), pp.273-285
1990
Abstract
Critical values of zinc (Zn) concentration in young leaves Here established for the diagnosis of Zn deficiency in peanut by examining the relationship of Zn concentration in leaves to shoot dry matter (DM) at two growth stages of plants grown in pots of Zn deficient sand at seven levels of Zn supply (0, 67, 133, 200 267, 533, and 1067 μg Zn/kg soil). Zinc deficient peanut accumulated reddish pigments in stems, petioles and leaf veins in addition to the more common symptoms of Zn deficiency in plants. Zinc concentrations increased with increasing Zn supply in the blades of the youngest fully expanded leaf (YFEL) and in the blades of the leaves immediately older (YFEL+1) and younger (YFEL‐1) than it: they also increased with increasing Zn supply in the petioles of the YFEL+1 and YFEL and in the basal stem internode but their Zn concentrations Here always much lower than those in the blades. Critical Zn concentrations in the blades of the YFEL and YFEL+1 Here 8–10 mg Zn/kg DM at early pegging and mid pod filling: values for YFEL‐1 were similar but more variable. The blade of the YFEL is recommended for diagnosis of Zn deficiency in peanut and 8–10 mg Zn/kg DM as its critical value.
Details
- Title
- Diagnosis of zinc deficiency in peanut (Arachis hypogaea L.) by plant analysis
- Authors/Creators
- R.W. Bell (Author/Creator)G. Kirk (Author/Creator)D. Plaskett (Author/Creator)J.F. Loneragan (Author/Creator)
- Publication Details
- Communications in Soil Science and Plant Analysis, Vol.21(3-4), pp.273-285
- Publisher
- Marcel Dekker Inc.
- Identifiers
- 991005544573207891
- Copyright
- © 1990 Marcel Dekker, Inc
- 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
- Chemistry, Analytical
- Plant Sciences
- Soil Science
- ESI research areas
- Agricultural Sciences