Evaluation of furocoumarins as photosynthetic inhibitor by chlorophyll a fluorescence assay

Química Nova

King-Díaz, Beatriz¹  Lotina-Hennsen, Blas¹  Universidad Nacional Autónoma de México, México¹  Universidade Federal de São Carlos, São Carlos, Brasil¹  Silva, Maria Fátima das Graças Fernandes da¹  Veiga, Thiago André Moura¹  Sampaio, Olívia Moreira¹  Universidade Federal de São Paulo, Diadema, Brasil¹ 

关键词: Chl a fluorescence;    furocoumarins;    "JIP-test".;   

DOI  :  10.1590/S0100-40422012001100003

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

The evaluations of Chorophyll a fluorescence emitted by superior plants carry structural information and photosynthetic apparatus function. Quantitative analysis apparatus of fluorescence kinetic were measured by energy flows (ABS), (TR), (ET) and (DI), known as phenomenological phenomena of OJIP test. Four furocoumarins were isolated from Ruta graveolens (Rutaceae), and chorophyll a (Chl a) fluorescence assays were performed with these compounds to evaluate the photosynthesis inhibition potential. This test was realized in spinach`s leaf discs and in Lolium perenne leaves. The results indicated the herbicide potential mainly for bergapten and chalepin.

【 授权许可】

Unknown