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A small increase in the concentration of phosphorus in the sown seed increased the early growth of wheat

saturn_sun 添加于 2010-4-26 16:34 | 2678 次阅读 | 0 个评论

作者
Riley MM, Adcock KG, Bolland MDA
摘要
Wheat seed from the same origin but with different concentrations of phosphorus (P) (1.3 and 1.7 g P/kg) was grown on P responsive soils in a glasshouse and a field experiment in Western Australia. The effects of the concen- tration of P in the seed (seed P) on the growth of shoots and roots during tillering and booting (glasshouse) or ear emergence (field), and on the grain yields of the wheat plants, were measured. The concentrations of P in these plant tissues were also measured. In both the glasshouse and the field, the dry weights of whole shoots (WS) during tillering increased with seed P, irrespective of soil P. The dry weights of WS measured at later stages of growth and the grain yields, however, were unaffected by seed P. The concentrations of P measured in the WS and grain were also unaffected by seed P.
详细资料
- 文献种类:期刊
- 期刊名称: Journal of Plant Nutrition
- 期刊缩写: LPLA
- 期卷页: 1993年第16卷第5期 851-864页
- ISBN: 0190-4167
标签

种子磷供应
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播种种子中的磷浓度的小增长增加了小麦早期生长

摘要：来源相同但是P浓度不同（1.3和1.7g P/kg）的小麦种子被种植在温室中P易受控制的土壤中和在西澳大利亚的一个野外实验中。测定了种子中P的concern-tration对于分蘖和启动（温室）或穗萌发（野外）期间茎和根的生长，和小麦植物的谷物生产的影响。这些植物组织中的P浓度也被测定。温室和野外中，分蘖期间全部茎的干重随着种子P而增加，和土壤中的P无关。然而，在生长和谷物生产后期测定的全部茎干重不受种子P影响。在全部茎和谷物中测定的P浓度也不受种子P影响。

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A small increase in the concentration of phosphorus in the sown seed increased the early growth of wheat

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