References
- Chen P., Nattuvetty V.R. 1980. Light Transmittance through a Region of an Intact Fruit. Transactions of the ASAE23: 519-522.
- De Jager A., Roelofs F.P.M.M. 1996. Prediction of optimum harvest date of Jonagold. Proc. Meeting COST 94 working group on OHD, Lofthus/N, June 9-10, 1994: 21-31.
- Herold B., Truppel I., Zude M., Geyer M. 2005. Spectral optical measurements on ‘Elstar’ apples during fruit development on tree. Biosystems Engineering91 (2): 173-182.
- Höhn E., Dätwyler D., Gasser F., Jampen M. 1999. Streifindex und optimaler Pflückzeitpunkt von Tafelkernobst. Schweiz. Zt. Obst-Weinbau18: 443-446. [in German]
- Lammertyn J., Peirs A., De Baerdemaeker J., Nicolaï B. 2000. Light penetration properties of NIR radiation in fruit with respect to non-destructive quality assessment. Postharvest Biol. Technol.18: 121-132.
- Lichtenthaler H.K., Gitelson A., Lang M. 1996. Non-destructive determination of chlorophyll content of leaves and an aurea mutant of tobacco by reflectance measurements. J. Plant Physiol.148: 483-493.
- Merzlyak M.N., Solovchenko A.E. 2002. Photostability of pigments in ripening apple fruit: a possible photoprotective role of carotenoids during plant senescence. Plant Sci.163: 881-888.
- Merzlyak M.N., Solovchenko A.E., Gitelson A.A. 2003. Reflectance spectral features and non-destructive estimation of chlorophyll, carotenoid and anthocyanin content in apple fruit. Postharvest Biol. Technol.27: 197-211.
- Richardson A.D., Duigan S.P., Berlyn G.P. 2002. An evaluation of noninvasive methods to estimate foliar chlorophyll content. New Physiol.153: 185-194.
- Zude-Sasse M., Truppel I., Herold B. 2002. An approach to non-destructive apple fruit chlorophyll determination. Postharvest Biol. Technol.25: 123-133.
- Zude M. 2003. Comparison of indices and multivariate models to non-destructively predict the fruit chlorophyll by means of visible spectrometry in apples. Anal. Chim. Acta481: 119-126.