The value of PAR above which no further increase in photosynthesis occurs is referred to as the

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The value of PAR above which no further increase in photosynthesis occurs is known as the light saturation point. At this point, the rate of photosynthesis becomes constant because the plant's chloroplasts have reached their maximum capacity to convert absorbed energy into chemical energy via photosynthesis.

The Value of PAR Above Which No Further Increase in Photosynthesis