Modulation by phenolic compounds of ABA-induced inhibition of mustard (Brassica juncea L. cv. RLM 198) seed germination.
Indian J Exp Biol
;
2003 Apr; 41(4): 352-6
Artigo
em Inglês
| IMSEAR
| ID: sea-62115
ABSTRACT
Exogenous abscisic acid (ABA) inhibited the germination of B. juncea seeds in a concentration dependent manner. As revealed in a time-course study, the ABA-induced inhibition got progressively alleviated with the lapse of time following ABA treatment possibly due to metabolic conversion of applied ABA in the seed tissue. A simultaneous application of certain phenolic compounds namely, p-coumaric-, vanillic-, gallic-, and chlorogenic acid (but not caffeic acid) also caused an alleviation of ABA effect. Of the above two patterns of recovery, the phenolic-dependent alleviation of ABA effect was apparent much earlier (24-48 hr treatment) than the time-dependent one (72 hr). It is likely that phenolics could accelerate ABA metabolism in the seed tissue leading to an early recovery from ABA-induced inhibition.
Texto completo:
DisponíveL
Índice:
IMSEAR (Sudeste Asiático)
Assunto principal:
Fenóis
/
Sementes
/
Fatores de Tempo
/
Ácido Abscísico
/
Germinação
/
Mostardeira
Idioma:
Inglês
Revista:
Indian J Exp Biol
Ano de publicação:
2003
Tipo de documento:
Artigo
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