In a horticultural environment, crowding plants and excessive shading leads to which type of growth?

In a horticultural environment, crowding plants and excessive shading leads to which type of growth?

• A. High quality
• B. Dark green
• C. Short branching
• D. Leggy, weak stemmed

Answer: (D)

When light is limited by crowding or shading, plants stretch upward to reach more light, causing internodes to lengthen and the stems to become thin and weak. This leggy, weak-stemmed growth is a classic response known as etiolation, and it signals that the plant is sacrificing compact, sturdy structure for height growth in search of light. Providing more light and better spacing helps the plant maintain a strong, compact form—adding light intensity, increasing exposure, and pruning to encourage branching so the plant develops a sturdier framework.

When light is limited by crowding or shading, plants stretch upward to reach more light, causing internodes to lengthen and the stems to become thin and weak. This leggy, weak-stemmed growth is a classic response known as etiolation, and it signals that the plant is sacrificing compact, sturdy structure for height growth in search of light. Providing more light and better spacing helps the plant maintain a strong, compact form—adding light intensity, increasing exposure, and pruning to encourage branching so the plant develops a sturdier framework.