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首页> 外文期刊>Pakistan journal of botany >MOLECULAR AND PHYSIOLOGICAL RESPONSES OF SUNFLOWER (HELIANTHUS ANNUUS L.) TO PGPR AND SA UNDER SALT STRESS
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MOLECULAR AND PHYSIOLOGICAL RESPONSES OF SUNFLOWER (HELIANTHUS ANNUUS L.) TO PGPR AND SA UNDER SALT STRESS

机译：向日葵（Helianthus Anuanus L.）在盐胁迫下PGPR和SA的分子和生理反应

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摘要

This paper presents the efficacy of PGPR (Azospirillum and Pseudomonas) and its modulation by salicylic acid. Twohybrids of sunflower (Hysun and Parsun) were inoculated with Azospirillum spp. and Pseudomonas spp. prior to sowing.Salt stress (20 dSm-1) was applied 28 d after sowing followed by foliar spray of salicylic acid (100 μM) after 4 h of salttreatment. Azospirillum and Pseudomonas inoculation alone and in combination with salicylic acid alleviated the effects ofsalt stress on both the sunflower hybrids. The salt tolerance in these treatments was mediated by an increase in relative watercontent, carotenoids, proline, ABA, induction of new polypeptide bands and yield of sunflower hybrids. In response to saltstress four new polypeptide bands were synthesized in both Hysun, whereas, a group of six polypeptide bands wereobserved in Parsun. Application of salicylic acid alone and in combination with Azospirillum found to induce four newpolypeptide bands in Hysun and Parsun. It is inferred that synthesis of new proteins in response to the combined applicationof salicylic acid and Azospirillum under salt stress, may play an important role as stress proteins in tolerance of sunflowerhybrids to salt stress.
机译：本文介绍了PGPR（Azospirillum和Pseudomonas）的疗效及其水杨酸的调节。向日葵（HYSUN和PARSUN）的两种用Azospirillum SPP接种。和假单胞菌SPP。在播种之前。播种后，施用应力（20dsm-1），然后在盐处理4小时后叶面喷雾水杨酸（100μm）。单独接种的Azospirillum和假鼠与水杨酸相结合，减轻了对向日葵杂种的敏感胁迫的影响。这些治疗中的耐盐是通过相对水道，类胡萝卜素，脯氨酸，ABA的增加介导的介导的新多肽带和向日葵杂种的产率。响应盐抑制四种新的多肽带在韩避到两者中合成，而一组六种多肽带在Parsun中使用。单独的水杨酸和结合氮磷酸的应用发现，发现Hyun和Parsun诱导四个幼聚肽乐队。推测，新蛋白质的合成响应于盐胁迫下的水杨酸和氮螺柱氧化钛的合并适用，可能发挥重要作用作为盐胁迫对盐胁迫的耐受性耐受性。

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