Journal article
Effect of root zone temperature on oilseed rape ( Brassica napus ) response to boron
Communications in Soil Science and Plant Analysis, Vol.37(15-20), pp.2791-2803
2006
Abstract
Oilseed rape (Brassica napus) is sensitive to low boron (B) supply, and its growth response to B may be influenced by soil temperature. To test the relationship between B and temperature, oilseed rape (cv. Hyola 42) seedlings were grown at 10°C (low) root zone temperature (RZT) with B supply from deficient to adequate B levels until growth of low B plants just began to slow down. Half of the pots were then transferred to 20°C (warm) RZT for 11 days before they were moved back to 10°C RZT for the final 4 days. Both plant dry mass and B uptake increased after plants were exposed to warm RZT. However, plant B deficiency was exacerbated by warm RZT in low B plants because of increased relative growth rate and shoot–root ratio without a commensurate increase in B uptake rate. It is concluded that RZT above the critical threshold for chilling injury in oilseed rape can nevertheless affect the incidence of B deficiency by altering shoot–root ratio and hence the balance between shoot B demand and B uptake.
Details
- Title
- Effect of root zone temperature on oilseed rape ( Brassica napus ) response to boron
- Authors/Creators
- Z. Ye (Author/Creator) - Jiyang College of Zhejiang A&F UniversityR.W. Bell (Author/Creator) - Murdoch UniversityB. Dell (Author/Creator) - Murdoch UniversityL. Huang (Author/Creator) - Murdoch UniversityQ. Xu (Author/Creator) - Jiyang College of Zhejiang A&F University
- Publication Details
- Communications in Soil Science and Plant Analysis, Vol.37(15-20), pp.2791-2803
- Publisher
- Marcel Dekker Inc.
- Identifiers
- 991005541137307891
- Copyright
- © Taylor & Francis Group, LLC
- Murdoch Affiliation
- School of Environmental Science
- Language
- English
- Resource Type
- Journal article
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Source: InCites
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- Collaboration types
- Domestic collaboration
- International collaboration
- 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