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Characterization of chilling effects on photosynthetic performance of maize crops during early season growth using chlorophyll fluorescence |
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| Authors: | Andrews James R; Fryer Michael J; Baker Neil R |
| Abstract: | Changes in a range of chlorophyll fluorescence parameters weremonitored for leaves of crops of three Zea mays cultivars (MO17,CB3 and LG11) during early canopy development when large fluctuationsin air temperatures occur. Crops were sown on 1 May 1993 andmeasurements made between 17 May and 7 June. Measurements ofthe ratio of variable to maximal fluorescence of dark-adaptedleaves (Fv/Fm) and the quantum efficiency of photosystem IIphotochemistry ( |
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