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Effect of ascorbic acid on morphological and biochemical parameters in tomato seedling exposure to salt stress

机译：抗坏血酸对盐胁迫下番茄幼苗形态和生化指标的影响。

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摘要

The aim of this study is to determine the effect of both NaCl and KCl alone and in comparison to AsA on the morphological and some biochemical parameters of Oxheart and Vilma cultivars of tomato under laboratory and field conditions. A combination of salt applied in the laboratory experiment caused a significant effect on seed germination and root and shoot length and a significant reduction of Chl a, Chl b and Car contents in 14-day-old tomato seedlings. However, seedlings of cultivar Vilma were characterised by higher tolerance to applied salt stress.NaCl caused a significant decrease in Chl a, Chl b and Car, and an increase in Pro and MDA content in the leaves of Vilma cultivar under field conditions. Besides, tomato plants cv. Vilma treated with NaCl alone or NaCl with ascorbic acid developed longer roots, from 48 to 73%, compared to the control.
机译：这项研究的目的是确定单独的NaCl和KCl以及与AsA相比，在实验室和田间条件下对番茄Oxheart和Vilma品种的形态和某些生化参数的影响。在实验室实验中施用的盐分组合对14天龄番茄幼苗的种子发芽，根和茎长都有显着影响，并显着降低了Chla，Chlb和Car含量。然而，Vilma品种的幼苗具有较高的盐胁迫耐受性，在田间条件下，NaCl导致Chl a，Chl b和Car的含量显着降低，并且Vilma品种的叶片中Pro和MDA含量增加。此外，番茄植株简历。与对照相比，单独用NaCl或用抗坏血酸NaCl处理的绒毛长出的根比对照组长48％至73％。

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