Journal article
Differential accumulation patterns of phosphorus and potassium by canola cultivars compared to wheat
Journal of Plant Nutrition and Soil Science, Vol.170(3), pp.404-411
2007
Abstract
The phosphorus (P) and potassium (K) accumulation patterns of canola (Brassica napus L.) are poorly understood, although such information is essential for determining optimal P- and K-fertilizer strategies. This study investigated the patterns of P and K uptake and distribution among plant organs of three early or midmaturing canola cultivars (Tribune, Trigold, and Boomer) differing in K efficiency compared to wheat (Triticum aestivum L. cv. Nyabing). Plants were grown in a glasshouse with nonlimiting P and K supply and harvested at eight growth stages until maturity. Maximum P accumulation by all canola cultivars occurred during late flowering (GS 5,5; 84 d after sowing), whereas P accumulation in wheat plants peaked just prior to anthesis (Z59; 73 d after sowing). Maximum accumulation of K in canola cultivars Tribune and Trigold occurred 73 d after sowing (GS 4,8), but peaked earlier (61 d after sowing) in Boomer canola (GS 4,2) and Nyabing wheat (Z55). The results highlight the importance of early P and K supply to both species; however, the extended uptake of P and K by the canola cultivars Trigold and Tribune compared to wheat suggests that availability of soil P or K postflowering may be of more importance to canola than to wheat.
Details
- Title
- Differential accumulation patterns of phosphorus and potassium by canola cultivars compared to wheat
- Authors/Creators
- T.J. Rose (Author/Creator) - The University of Western AustraliaZ. Rengel (Author/Creator) - The University of Western AustraliaQ. Ma (Author/Creator) - The University of Western AustraliaJ.W. Bowden (Author/Creator) - Government of Western Australia
- Publication Details
- Journal of Plant Nutrition and Soil Science, Vol.170(3), pp.404-411
- Publisher
- WILEY-VCH Verlag
- Identifiers
- 991005539974907891
- Copyright
- © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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Source: InCites
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InCites Highlights
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- Collaboration types
- Domestic collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.45 Soil Science
- 3.45.473 Soil Phosphorus Dynamics
- Web Of Science research areas
- Agronomy
- Plant Sciences
- Soil Science
- ESI research areas
- Agricultural Sciences