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Chemical and Biological Technologies in Agriculture
Fig. 2 | Chemical and Biological Technologies in Agriculture

Fig. 2

From: Physiological, molecular, and genetic mechanism of action of the biostimulant Quantis™ for increased thermotolerance of potato (Solanum tuberosum L.)

Fig. 2

Chlorophyll fluorescence of Quantis™-treated and untreated (water-control) potato (cv. Maris Piper) plants at 48 h post-Quantis™ application (36 h post-heat stress) measured with modulated fluorometer FluorPen (PSI, Czech Republic). a Quantum yield (QY), b PSII maximum efficiency (Fv’/Fm’), c absorbed photon flux per reaction centre (ABS/RC) and d dissipation energy flux per reaction centre (DIo/RC) measured on the fully expanded terminal leaflet. Data represent mean ± SEM of seven biological replicates per treatment with two experimental replicates. Asterisk indicates significant difference according to Student’s t test, p < 0.05

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