| 不同土壤水分状况下施硼对油菜硼吸收、利用的影响 |
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| 引用本文： | 娄运生,杨玉爱,徐建民.不同土壤水分状况下施硼对油菜硼吸收、利用的影响[J].应用生态学报,2001,12(3):478-480. |
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| 作者姓名： | 娄运生 杨玉爱 徐建民 |
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| 作者单位： | 1. 南京农业大学资源与环境学院,
2. 浙江大学环境与资源学院, |
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| 基金项目： | 澳大利亚国际农业研究中心资助项目(ACIAR
PN 9120) |
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| 摘 要： | 1 引 言我国是油菜生产大国 ,也是一个土壤缺Ｂ面积较大的国家 .由于油菜缺Ｂ问题突出 ,施用Ｂ肥已成为提高油菜产量、改善品质的重要措施2 ,3 ,11] .但是 ,Ｂ肥的施用不但存在成本高、难度大、效率低的问题 ,而且也存在造成环境污染的可能性9] .研究表明8,10 ] ,不同油菜品种对缺Ｂ的反应存在基因型差异 ,因此 ,筛选、培育Ｂ营养高效基因型油菜以适应缺Ｂ土壤环境是解决油菜缺Ｂ问题的最有效途径之一 .植物对土壤中Ｂ的吸收、运输及利用因土壤水分状况而异4 ,5] .研究不同水分条件下尤其是干旱情况下Ｂ素营养对油菜Ｂ营养效率的影…
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| 关 键 词： | 土壤水分 硼肥 油菜 硼吸收 硼利用 |
| 文章编号： | 1001-9332(2001)03-0478-03 |
| 修稿时间： | 1999年10月18 |
Effect of boron fertilization on B uptake and utilization by oilseed rape
(Brassica napus L. ) under different soil |
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| LOU Yunsheng.Effect of boron fertilization on B uptake and utilization by oilseed rape
(Brassica napus L. ) under different soil[J].Chinese Journal of Applied Ecology,2001,12(3):478-480. |
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| Authors: | LOU Yunsheng |
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| Institution: | College of Resource and Environment Science, Nanjing Agricultural University, Nanjing 210095. yslou@mail.njau.edu.cn |
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| Abstract: | Pot experiment was conducted in greenhouse to determine the effect of boron fertilization on B uptake and utilization by oilseed rape at seedling stage as influenced by soil moisture regime.The results showed that B concentration in shoot and root increased with the increase of soil water content and B fertilization level,while its utilization efficiency(BUE) and mobilization index(BMI) increased with the decrease of soil water content and B application level.Differences in BUE and BMI of test oilseed rape cultivars were significant,i.e.,V 1 showed higher BUE and BMI than V 4 under the same conditions.It is concluded that BUE and B mobility in plant were the major factors responsible for the differences in response of different oilseed rape cultivars to B deficiency. |
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| Keywords: | Soil moisture regime Boron Oilseed rape Utilization efficiency |
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