Journal article
Differential response of oilseed rape (Brassica napus L.) cultivars to low boron supply
Plant and Soil, Vol.204(2), pp.155-163
1998
Abstract
Three experiments were carried out on an alluvial sandy loam (Udifluvent) at Tonglu, Zhejiang Province, P.R. China from 1992 to 1995, to determine the genotypic range in boron (B) efficiency of 16 oilseed rape (Brassica napus L.) cultivars, to identify the B-efficient cultivars and to identify specific responses which can be utilised for selection in a breeding program. The 16 cultivars which included high-quality and conventional types differed significantly in survival, plant height, leaf area, shoot dry weight and seed yield; however, the ranking of the cultivars for their seed yield or other plant traits differed with B treatment. With severe B deficiency (CaCl2 extractable B < 0.26 mg/kg) and no boron applied, none of the cultivars exhibited significant B efficiency, with seed yield <300 kg/ha. With moderate B deficiency (CaCl2 extractable B 0.34 mg/kg or 0.17 kg B/ha applied), seed yield varied significantly among the cultivars from 397 to 1889 kg/ha in year 1 and from 616 to 1260 kg/ha in year 3. Zhongyou 821 and 92-13 were the most B-efficient and Wanyou 324, Huashuang 2 and Su 2051 were the most B-inefficient cultivars under moderate B deficiency. Significant differences were found among the cultivars in leaf B concentration; however, there was no close relationship between leaf B concentration and seed yield responses to B of oilseed cultivars. Of all the growth parameters measured, leaf area was the early indicator best
correlated with subsequent seed yield and may be useful for evaluating the response of cultivars to low B supply.
Contrary to current opinion, it was also found that high-quality oilseed rape cultivars were not all sensitive to low
B supply nor were all conventional cultivars B-efficient.
Details
- Title
- Differential response of oilseed rape (Brassica napus L.) cultivars to low boron supply
- Authors/Creators
- J. Xue (Author/Creator) - Division of Basic Courses, P.R. ChinaM. Lin (Author/Creator) - Department of Land Science and Applied Chemistry, Zhejiang Agricultural University, Hangzhou, P.R. ChinaR.W. Bell (Author/Creator) - Murdoch UniversityR.D. Graham (Author/Creator) - The University of AdelaideX. Yang (Author/Creator) - Department of Land Science and Applied Chemistry, Zhejiang Agricultural University, Hangzhou, P.R. ChinaY. Yang (Author/Creator) - Department of Land Science and Applied Chemistry, Zhejiang Agricultural University, Hangzhou, P.R. China
- Publication Details
- Plant and Soil, Vol.204(2), pp.155-163
- Publisher
- Kluwer Academic Publishers
- Identifiers
- 991005541405507891
- Copyright
- 1998 Kluwer Academic Publishers
- Murdoch Affiliation
- School of Biological and Environmental Sciences
- Language
- English
- Resource Type
- Journal article
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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
- Plant Sciences
- Soil Science
- ESI research areas
- Agricultural Sciences