利用免疫刺激剂实现克隆微繁殖马铃薯植物适应潜力的生理和生化特征

N. V. Baliuk, N. Laman, J. Kalatskaja
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摘要

研究了表木栓内酯与水杨酸和茉莉酸甲酯结合使用对克隆微繁殖的布里兹马铃薯植株对马铃薯病毒 Y 和缺水形成的复合抗性、其生理状态、原/抗氧化剂系统的功能以及对所获得的微型管的产量和质量的影响。结果表明,在综合胁迫条件下,只有在表紫苏内酯存在的情况下才能形成抗病毒性,它通过积累过氧化氢、酚类化合物和提高过氧化物酶活性来触发一系列保护机制,同时保持生产率并提高所获得产品的质量。在使用三组份混合物的同时,马铃薯小立方体的质量和数量最大,而其对病毒感染的保护作用却没有体现出来。
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Physiological and biochemical features of implementation of the adaptive potential of clonally micropropagated potato plants using immunostimulants
The effect of epibrassinolide in combination with salicylic acid and methyl jasmonate on the formation of complex resistance of clonally micropropagated potato plants of the Briz variety to the potato virus Y and to moisture lack, their physiological state, the functioning of the pro-/antioxidant system, as well as on the productivity and quality of the obtained mini-tubers was studied. It was revealed that antiviral resistance under combined stress conditions is formed only in the presence of epibrassinolide that triggers a series of protective mechanisms through accumulation of hydrogen peroxide, phenolic compounds and an increase in peroxidase activity, while maintaining productivity and improving the quality of the products obtained. The use of a three-component mixture is accompanied by the largest mass and a number of potato minitubers, while its protective effect against a viral infection is not manifested.
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