Chlorophyll, anthocyanin, and gas exchange changes assessed by spectroradiometry in Fragaria chiloensis under salt stress.

摘要: Chlorophyll and anthocyanin contents provide a valuable indicator of the status plant's physiology, but to be more widely utilized it needs assessed easily non-destructively. This is particularly evident in terms assessing exploiting germplasm for plant-breeding programs. We report, first time, experiments with Fragaria chiloensis (L.) Duch. estimation effects response salinity stress (0, 30, 60 mmol NaCl/L) these pigments content gas exchange. It shown that both (which interestingly, themselves show high correlation) give good indication response. Both can accurately predicted using spectral reflectance indices (SRI); however, accuracy predictions was slightly improved multilinear regression analysis models genetic algorithm analysis. Specifically chlorophyll content, unlike other species, use published SRI gave better indications than Normalized Difference Vegetation Index. The effect salt on exchange only at highest concentration some prediction performance known Photochemical Reflectance information will therefore useful identifying tolerant genotypes incorporation breeding