What is it about?
Spectral traits such as SPAD and spectral vegetation index (NDVI) indicate the photosynthetic activity. Spectral reflectance at leaf and canopy levels influenced differently the yield and quality of snap bean varieties. We have shown that SPAD measured during pod development correlated with the dry matter content of pods under severe drought. Under deficit irrigation, NDVI measured during flowering and pod development correlated with the yield of snap beans.
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Why is it important?
The measurements of spectral reflectance on canopy (NDVI) could predict the expected yield of beans under deficit irrigation conditions. These results could be used for the selection of genotypes tolerant to water deficit stress by prediciton of yield.
Perspectives
Writing this article was a great pleasure as it has co-authors with whom I have had a strong collaborations.
Eszter Nemeskéri
Read the Original
This page is a summary of: Relationships of spectral traits with yield and nutritional quality of snap beans (Phaseolus vulgaris L.) in dry seasons, Archives of Agronomy and Soil Science, December 2017, Taylor & Francis,
DOI: 10.1080/03650340.2017.1420903.
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