Study on relieving effects of exogenous SNP, Spd on Belamcanda chinensis under salt-alkalline stress / 中国中药杂志
China Journal of Chinese Materia Medica
; (24): 4553-4558, 2014.
Article
em Zh
| WPRIM
| ID: wpr-305384
Biblioteca responsável:
WPRO
ABSTRACT
The study is aimed to provide the theoretical basis for exploiting and utilization of salt-alkaline soil and cultivating Belamcanda chinensis. In this study, we exerted exogenous substances SNP, Spd to relieve the damage of the mixing salt-alkaline stress on B. chinensis seedling which is NaCl, Na2SO4, NaHCO3 and Na2CO3 four kinds of salt molar ratio of 9 1 9 1, salt concentration of 100 mmol x L(-1). The result illustrated that high pH stress is a major factor caused the salt-alkaline stress, the interaction between time and the concentration of each, treatment was observed, what is more, there are synergies between the salt and alkali stress. The content of B. chinensis seedling leaves' membrane peroxidation index (MDA, O2-*) and metabolites (soluble protein, soluble sugars, organic acids) are showing an upward trend in varying degrees under 100 mmol x L(-1) salt-alkaline stress. It is effective to reduce the content of MDA and O2-*. and improve the levels of metabolites, in which the SNP (0.05 mmol x L(-1)) and Spd (0.5 mmol x L(-1)) to alleviate damage effects is the best. Therefore we can hold the conclusion that SNP and Spd can effectively mitigate the damage of B. chinensis seedling on salt-alkaline stress, improve the resistance ability of B. chinensis seedling which can provide the scientific basis for the utilization of salt-alkaline soil, and the cultivation of B. chinensis.
Texto completo:
1
Índice:
WPRIM
Assunto principal:
Farmacologia
/
Fisiologia
/
Cloreto de Sódio
/
Química
/
Folhas de Planta
/
Iridaceae
/
Plântula
/
Álcalis
/
Metabolismo
/
Óxido Nítrico
Idioma:
Zh
Revista:
China Journal of Chinese Materia Medica
Ano de publicação:
2014
Tipo de documento:
Article