What is a common symptom of overwatering in greenhouse plants?

Yellowing leaves, wilting, and root rot are key indicators of overwatering in greenhouse plants. When plants receive too much water, several physiological changes occur that can be detrimental to their health.

The yellowing of leaves is often a sign of stress, which can result from a lack of oxygen in the root zone. Overwatering saturates the soil, leading to poor drainage and decreased oxygen availability. This lack of oxygen can damage the roots, which then affects the plant's ability to take up essential nutrients, culminating in yellowing foliage.

Wilting can also occur despite the presence of water in the soil. This is due to the roots being damaged or unable to function properly in overly saturated conditions. As the roots struggle to take up water and nutrients, the plant may show signs of wilting, similar to what occurs during drought stress.

Root rot is another severe consequence of overwatering, primarily caused by fungal infections. Waterlogged conditions are ideal for various pathogens, and as the roots begin to decay, they can no longer support the plant. This leads to a vicious cycle of decline as the plant's health deteriorates.

In contrast, stunted growth and brown tips on leaves might be attributed to other factors such as nutrient deficiencies or environmental stress