Environmental stress
Salt spray injury
Salt spray injury is a noninfectious environmental disorder caused when windborne seawater or salty deicing-solution droplets deposit on foliage and young shoots. It commonly…
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Plant problem library
Detailed profiles of common plant diseases, pests, nutrient deficiencies and environmental problems.
Environmental stress
Salt stress
Salt stress is an environmental disorder caused by excessive soluble salts in the root zone, irrigation water, fertilizer residues, compost, or deicing-salt runoff. It…
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Environmental stress
Ice damage
Ice damage is a noninfectious environmental disorder caused mainly by freezing rain that deposits heavy glaze on branches, stems and foliage. The added weight…
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Environmental stress
Snow Load Damage
Snow load damage is a noninfectious winter disorder caused when wet snow, ice, or drifting snow exceeds the strength of branches, stems, crowns, or…
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Environmental stress
Hail damage
Hail damage is a noninfectious weather injury caused when ice pellets strike leaves, stems, flowers, fruit and growing points. Severity depends on hail size,…
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Environmental stress
Wind damage
Wind damage is a noninfectious environmental disorder caused by strong, persistent or gusty air movement, often intensified by blowing soil or sand. It can…
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Environmental stress
Wind scorch
Wind scorch is a noninfectious environmental disorder caused by excessive water loss from leaves, needles, or young shoots during windy weather. It is especially…
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Environmental stress
Photoinhibition
Photoinhibition is a physiological light-stress disorder in which excess or rapidly fluctuating light temporarily or persistently reduces photosynthetic performance. It is most often associated…
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Environmental stress
Shade stress (low-light stress)
Shade stress is a noninfectious disorder caused by light levels too low for a plant’s species, cultivar, growth stage, or recent growing conditions. Affected…
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Environmental stress
Alacsony fény okozta stressz
Az alacsony fény okozta stressz nem fertőző betegség, hanem olyan környezeti zavar, amely akkor alakul ki, amikor a növény nem kap elegendő fényt a…
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Environmental stress
Excess light stress
Excess light stress is not an infectious disease but a physiological injury caused when sunlight or artificial light exceeds a plant’s tolerance, often together…
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Environmental stress
Fruit Sunburn
Fruit sunburn is a noninfectious heat and light injury that develops when exposed fruit tissue becomes hotter than it can tolerate, especially during heat…
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