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Seed Invigouration and Potentiation of Maize (Zea mays) by Chemical Manipulation

机译：化学操纵对玉米（Zea mays）种子的激发和增强作用

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摘要

An investigation was carried out on maintenance of seed potentiation of a maize species by using some selected chemicals. Maize (Zea mays) seeds lost viability at a rapid pace under accelerated ageing condition. Pretreatment of the seeds with sodium dikegulac (Na-DK) and indole acetic acid (IAA) for 6 hours before accelerated ageing treatment (99.1% RH and 32±2℃) for different durations (0 to 30 days) for 30 days slowed down the ageing-induced rapid loss of germination. Plant performance was found to be much better when they were developed from seeds which underwent chemical pretreatment and this was measured in terms of field emergence capacity, root length, shoot length, fresh weight and dry weight of plants. Plant potential was also higher in the pretreatments as evidenced from the treatment-induced higher chlorophyll, protein, DNA and RNA levels as well as activities of catalase and peroxidase enzymes in spite of adverse storage situation. Results, therefore, pointed out that in spite of experiencing accelerated ageing treatment, the chemical-pretreated seeds retained higher seed vigour and produced healthier plants.
机译：通过使用某些选定的化学物质，对维持玉米物种的种子增强作用进行了研究。玉米（Zea mays）种子在加速老化条件下迅速丧失了生存能力。在加速老化处理（99.1％RH和32±2℃）下，以不同的持续时间（0到30天）进行30天的减缓处理之前，先用二酮古拉胶钠（Na-DK）和吲哚乙酸（IAA）对种子预处理6小时老化导致的发芽迅速丧失。当从经过化学预处理的种子培育出的种子时，发现其植物性能要好得多，这可以通过田间出苗能力，根长，枝长，鲜重和干重来衡量。尽管存在不利的储存条件，但由处理引起的较高的叶绿素，蛋白质，DNA和RNA水平以及过氧化氢酶和过氧化物酶的活性证明了预处理中的植物潜力也较高。因此，结果指出，尽管经历了加速的老化处理，化学预处理的种子仍保留了较高的种子活力并产生了更健康的植物。

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  • 来源
    《Science and Culture》 |2014年第6期|169-172|共4页
  • 作者

    MANASHI ADITYA; MANJUBILAS ROY; CHANDAN KUMAR PATI; ALOKE BHATTACHARJEE;

  • 作者单位

    Plant Physiology and Biochemistry Section, UGC Centre for Advanced Study, Department of Botany, Burdwan University, Burdwan-713 104, West Bengal, India;

    Plant Physiology and Biochemistry Section, UGC Centre for Advanced Study, Department of Botany, Burdwan University, Burdwan-713 104, West Bengal, India;

    Department of Botany, Saldiha College, Saldiha-722 173, Bankura, West Bengal, India;

    Plant Physiology and Biochemistry Section, UGC Centre for Advanced Study, Department of Botany, Burdwan University, Burdwan-713 104, West Bengal, India;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Accelerated ageing; Na-DK; IAA; seed invigouration; plant potentiation; maize;

    机译：加速老化;Na-DK;IAA;种子活力植物增强玉米;

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