Which of the following may cause pectins in the middle lamella of cells of the separation layer to break down in the fall?
A) decreasing daylengths
B) lower temperatures
C) decreasing light intensities
D) lack of adequate water
E) All of these answers are correct.

Question

Quizplus · Accepted Answer

The breakdown of pectins in the middle lamella during the fall, leading to leaf drop, can be influenced by various environmental factors including decreasing daylengths, lower temperatures, decreasing light intensities, and lack of adequate water. These factors collectively contribute to the physiological changes in plants that trigger the separation of leaves.

Which of the Following May Cause Pectins in the Middle