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首页> 外文期刊>Australian Journal of Crop Science >Application of hemin-induced growth and biochemical modifications in Hassawi okra (Abelmoschus esculentus L.) grown in seawater salinity
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Application of hemin-induced growth and biochemical modifications in Hassawi okra (Abelmoschus esculentus L.) grown in seawater salinity

机译：血红素诱导的生长和生化修饰在哈拉威秋葵（Abelmoschus Esculentus L.）在海水盐度种植中的应用

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摘要

The present study investigated the possible protective role of hemin (75 μM) on okra (Abelmoschus esculentus L.) plants grown under diluted seawater (seawater/normal water) in plastic bags on loam soil and compost (1:1). Four levels of seawater were prepared by diluting seawater to give 1.8, 3.6, 5.4 and 7.2 dsm -1 . Okra plants were irrigated with these concentrations of seawater. The effects of seawater salinity on okra plants were evaluated by determining growth parameters, superoxide dismutase (SOD) activity, catalase (CAT) activity ascrobate content, α-amylase, protease and lipid peroxidation in the presence or absence of hemin. The study found that seawater salinity resulted in a high level of lipid peroxidation, which was associated with significant decrease in growth parameters and protease activity. The activity of SOD, CAT and ascorbate content were increased significantly, compared to control plants. Alleviation effect of hemin was obvious on growth parameters at most salinity levels. This was associated by enhancement of CAT and α-amylase activities and reduction of lipid peroxidation compared to the corresponding untreated salinized plants. So hemin could play a central function as a signal molecule in salt tolerance of okra plants. The results of this study demonstrated that okra can be grown successfully using diluted seawater and the different antioxidants could partially alleviate the harmful effects of seawater stress that reflected on growth and some physiological changes of okra plant. According to these findings, it can be pronounced that the treatment of salinized okra with hemin (75 μM) may reduce the negative impact of light salinity stress.
机译：本研究研究了血红素（75μm）在盐袋上稀释的海水（海水/正常水）在壤土土壤和堆肥（1：1）上的稀释海水（海水/正常水）下生长的秋葵（Abelmoschus Esculess L.）植物的可能性。通过稀释海水来制备四种水平的海水，得到1.8,3.6,5.4和7.2 dsm -1。用这些浓度的海水灌溉秋葵植物。通过确定生长参数，超氧化物歧化酶（SOD）活性，过氧化氢酶（CAT）活性含量，α-淀粉酶，蛋白酶和血液过氧化在血红素的情况下，评估海水盐度对秋葵植物的影响。该研究发现，海水盐度导致高水平的脂质过氧化，这与生长参数和蛋白酶活性的显着降低有关。与对照植物相比，SOD，猫和抗坏血酸含量的活性显着增加。在大多数盐度水平的生长参数上显而易见的血红素的缓解作用。与相应的未处理的盐化植物相比，这通过增强猫和α-淀粉酶活性和降低脂质过氧化的相关性。因此，血红素可以作为秋葵植物耐盐性的信号分子发挥中枢作用。该研究的结果表明，秋葵可以使用稀释的海水成功地增长，不同的抗氧化剂可以部分缓解海水压力的有害影响，反映了秋葵植物的生长和一些生理变化。根据这些发现，它可以发音中，用血红素（75μm）的盐渍化秋葵的治疗可以降低光盐度应力的负面影响。

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