Figure 13 | Scientific Reports

Figure 13

From: Effects of combined extreme cold and drought stress on growth, photosynthesis, and physiological characteristics of cool-season grasses

Figure 13

Response mechanism underlying resistance to combined cold and drought stress in Poa annua seedlings. The red and green arrows indicated that the corresponding traits were increased and decreased under stress treatment, respectively. " +  + " and " −  − " indicated that the corresponding pathways acted positively and negatively, respectively.

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