Author name: Catherine Joy Bartolome

Root shock happens when a plant’s root system is disturbed or exposed to sudden changes in moisture, temperature, nutrient strength, oxygen, or growing conditions. In hydroponics and greenhouse production, stressed roots may absorb water and nutrients less efficiently, leading to wilting, slower growth, and reduced photosynthesis. Understanding what happens below the surface helps growers identify the real cause of plant stress and create better conditions for root recovery.

Transpiration is the process by which plants absorb water through their roots, move it upward, and release some of it as water vapor through the leaves. In lettuce, this process helps with cooling, water movement, and nutrient transport, making proper temperature, humidity, and airflow important for healthy growth.

Etiolation happens when plants grow under insufficient light, causing them to stretch, weaken, and often turn pale. In lettuce, this can lead to longer stems, loose growth, and poor plant structure. Understanding how light affects plant development helps growers produce healthier, more compact crops.