Plant problem library

Environmental stress

Flooding injury

Flooding injury is plant damage caused by saturated soil, standing water, or submergence. Water-filled soil pores exclude oxygen from the root zone, impairing root…

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Environmental stress

Waterlogging

Waterlogging is an environmental disorder caused when soil remains saturated long enough to displace the air that roots need for respiration. Affected plants may…

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Environmental stress

Overwatering

Overwatering is a noninfectious environmental disorder caused when roots remain in saturated soil longer than the plant can tolerate. Oxygen is displaced from pore…

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Environmental stress

Underwatering

Underwatering is an environmental water-stress disorder caused when roots cannot replace the moisture lost through transpiration. It can affect houseplants, vegetables, ornamentals, shrubs and…

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Environmental stress

Drought stress

Drought stress is a noninfectious environmental disorder caused by insufficient available water for normal plant function. It may result from low rainfall, restricted root…

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Environmental stress

Nutrient Deficiency Caused by Root Damage

Root damage can make a plant look nutrient-starved even when the soil contains adequate nutrients. Injured, rotted, compacted, drought-stressed, or poorly distributed roots cannot…

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Environmental stress

Cold-soil phosphorus deficiency

Cold-soil phosphorus deficiency is a temporary nutrient-uptake disorder that affects young plants when cool, wet soil slows root growth and limits phosphorus absorption. Seedlings…

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Environmental stress

High-pH-induced iron deficiency

High-pH-induced iron deficiency, commonly called lime-induced iron chlorosis, is a nutrient-availability disorder rather than an infectious disease. Plants may contain ample total iron in…

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Environmental stress

Lime-Induced Chlorosis

Lime-induced chlorosis is an environmental disorder caused when alkaline, lime-rich soil makes iron—and sometimes manganese or zinc—chemically unavailable to plant roots. Young leaves turn…

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Environmental stress

Nutrient lockout

Nutrient lockout is an abiotic uptake disorder in which essential nutrients are present in the soil, potting mix, irrigation water, or hydroponic solution but…

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Environmental stress

Multiple Nutrient Deficiency

Multiple nutrient deficiency is a complex plant nutrition disorder in which two or more essential elements are unavailable or insufficient at the same time.…

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Environmental stress

Nickel deficiency

Nickel deficiency is a rare plant nutritional disorder involving impaired urease activity and nitrogen metabolism. The clearest signs are necrotic leaf tips, yellowing, stunted…

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