华北农学报 ›› 2006, Vol. 21 ›› Issue (6): 89-94. doi: 10.3321/j.issn:1000-7091.2006.06.022

所属专题: 水稻

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田间低钾对不同穗型水稻钾的吸收和利用效率的影响

宋桂云1,2, 徐正进2, 陈温福2, 张文忠2, 贺梅2, 张喜娟2   

  1. 1. 内蒙古民族大学农学院, 内蒙古通辽 028042;沈阳农业大学稻作研究室, 辽宁沈阳 110161;
    2. 沈阳农业大学稻作研究室, 辽宁沈阳 110161
  • 收稿日期:2006-04-26 出版日期:2006-12-28
  • 作者简介:宋桂云(1970- ),女,内蒙古赤峰人,副教授,在读博士,从事水稻高产生理及植物营养方面的研究。
  • 基金资助:
    国家自然科学基金资助项目(30370866);教育部博士点基金资助项目(20050157001)

Influences of Low Potash on K Absorption and Use Efficiency of Different Panicle Rice Variety

SONG Gui-yun1,2, XU Zheng-jin2, CHEN Wen-fu2, ZHANG Wen-zhong2, HE Mei2, ZHANG Xi-juan2   

  1. 1. Agricultural College, Innermongolia University for Nationalities, Tongliao 028042, China;
    2. Shenyang Agricultural University, Shenyang 110161, China
  • Received:2006-04-26 Published:2006-12-28

摘要: 选用典型直立穗型水稻品种沈农265和半直立穗型品种辽粳294为试材,研究两品种干物质积累、钾素吸收和利用效率的差异。结果表明:田间低钾条件两品种的产量和生物量都减少,其中半直立穗型品种辽粳294减少的较多。分蘖-抽穗期是两品种钾素积累高峰期,积累钾量达到全生育期积累量的2/3左右,抽穗前半直立穗型品种辽粳294积累的多,抽穗后相反,表明直立穗型品种沈农265生育后期吸收养分数量多,根系活力强。直立穗型品种钾效率高,耐低钾能力强,耐低钾能力达到一级指标。

关键词: 直立穗型品种, 钾素利用效率, 钾效率, 耐低钾能力

Abstract: The typical erect panicle rice variety Shennong 265,and semi-erect panicle rice variety Liaojing 294 were used to compare dry matter accumulation,absorption and use efficiency of potassium.The results showed that the grain yield and biomass of two varieties similarly decreased under low potassium condition;however the decrease of Liaojing 294 was more than that of Shennong 265.The summit of potassium accumulation of two varieties was from tiller stage to heading stage,and up to 2/3 of total potassium accumulation of whole growth period.Liaojing 294 accumulated more potassium before heading than after heading and Shennong 265 was contray.This showed that the erect panicle rice variety had more vigorous root,absorbed more nutrient,beared low potassium,and had higher efficiency of potassium utilization.

Key words: Erect panicle rice variety, K utilization efficiency, K efficiency, Ability of bearing low potassium

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引用本文

宋桂云, 徐正进, 陈温福, 张文忠, 贺梅, 张喜娟. 田间低钾对不同穗型水稻钾的吸收和利用效率的影响[J]. 华北农学报, 2006, 21(6): 89-94. doi: 10.3321/j.issn:1000-7091.2006.06.022.

SONG Gui-yun, XU Zheng-jin, CHEN Wen-fu, ZHANG Wen-zhong, HE Mei, ZHANG Xi-juan. Influences of Low Potash on K Absorption and Use Efficiency of Different Panicle Rice Variety[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2006, 21(6): 89-94. doi: 10.3321/j.issn:1000-7091.2006.06.022.

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