title: Indication of the expression of transgene in rice plant based on hyperspectral remote sensing technique II--growth monitoring of samples in the contrast experiment.
abstract: Since the complication of monitoring and evaluating the problems about the transgenic expression and its impacts on the receptor in the transgenic crop breeding and other relevant evaluated works, the authors in the present work tried to assess the differences of spectral parameters of the transgenic rice in contrast with its parent group quantitatively and qualitatively, fulfilling the growth monitoring of the transgenic samples. The spectral parameters (spectral morphological characteristics and indices) chosen are highly related to internal or external stresses to the receipts, and thus could be applied as indicators of biophysical or biochemical processes changes of plant. By ASD portable field spectroradiometer with high-density probe, fine foliar spectra of 8 groups were obtained. By analyzing spectral angle and continuum removal, the spectral morphological differences and their locations of sample spectra were found which could be as auxiliary priori knowledge for quantitative analysis. By investigating spectral indices of the samples, the quantitative differences of spectra were revealed about foliar chlorophyll a+b and carotenoid content. In this study both the spectral differences between transgenic and parent groups and among transgenic groups were investigated. The results show that hyperspectral technique is promising and a helpful auxiliary tool in the study of monitoring the transgenic crop and other relevant researches. By this technique, quantitative and qualitative results of sample spectra could be provided as prior knowledge, as certain orientation, for laboratory professional advanced transgenic breeding study.
authors.affiliation: Institute of Space and Earth Information Science, The Chinese University of Hong Kong, Hong Kong, China. lirucn@cuhk.edu.hk
authors.forename: Ru
authors.initials: R
authors.lastname: Li
authors.forename: Jin-Song
authors.initials: JS
authors.lastname: Chen
authors.forename: Ding-Yang
authors.initials: DY
authors.lastname: Yuan
authors.forename: Hui
authors.initials: H
authors.lastname: Lin
authors.forename: Yan-Ning
authors.initials: YN
authors.lastname: Tan
authors.forename: Yue-Min
authors.initials: YM
authors.lastname: Yue
mesh_terms: D002338:Carotenoids / Q000032:analysis; D002734:Chlorophyll / Q000032:analysis; D000077194:Chlorophyll A; D012275:Oryza / Q000235:genetics* / Q000254:growth & development; D030821:Plants, Genetically Modified / Q000254:growth & development; D058998:Remote Sensing Technology; D013057:Spectrum Analysis; D019076:Transgenes
chemical_list: D002734:Chlorophyll; D002338:Carotenoids; C037184:chlorophyll b; D000077194:Chlorophyll A