how would you except the compensation points to differ between plants growing in a wood and those that growing in a field?
Answers
Answer:
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Explanation:
The light compensation points and respiration rates of cut leaves of Ranunculus ficaria, Anemone nemorosa, and Allium ursinum were determined at 18–19 °C at intervals throughout the growing season of 1959 from plants grown inside and outside the forest. The light compensation points of leaves from inside and outside the forest decreased progressively during the growing season from March to June, but showed two sharp increases following severe frosts in the mid-season. The compensation points of plants in the forest were consistently lower than those in the open, and showed a smaller increase due to frost damage. The drift in light compensation points could in most cases be correlated with a decrease in the dark-period respiration rate. However, the marked exceptions which occurred after the frosts were presumably due to a decrease in the efficiency of photosynthesis..The light compensation points of Allium were consistently lower than those of Anemone, which were in turn frequently lower than those of Ranunculus. Field observations suggested that Allium was the most tolerant of shade conditions and persisted above ground for the longest period under the forest canopy. When the light compensation points of these species were compared on the basis of equal respiration rates, Allium was lowest and presumably had the most efficient photosynthetic apparatus and Anemone was highest and presumably had the least efficient.