Damage to plant tissue, especially bark or fruit, caused by exposure to excessive sunlight.
(植物的组织,尤其是树皮或果实的)晒伤,日灼病
Example sentencesExamples
Placing some form of protection around the trunk, such as burlap, can help in the prevention of sun scald.
Maple and poplar, for example, are susceptible to sun scald and desiccation by wind; oaks usually aren't.
Similar to sun scald on bark, warm days can stimulate cells to be active in leaves, only to be killed by sudden temperature drops when the sun disappears.
To minimize yield losses to sun scald, maintain adequate fertility, practice timely irrigation, stake or trellis to prevent lodging, and maintain proper foliage by controlling defoliating insects.
Cracks from sun scald can allow insects, fungus, virus, or other damage to gain an entry and begin the process of weakening the tree.
When large populations are present they can lower yields by reducing plant vigor and increasing sun scald of fruit through foliage loss.
Older trees are less subject to sun scald because the thicker bark can insulate dormant tissue from the sun's heat ensuring the tissue will remain dormant and cold hardy.
On young trees ‘temporary ‘branches may be retained along the stem to encourage taper and protect trees from vandalism and sun scald.’
The cause of white drupes in blackberries is unknown; some think it may be due to stink bug damage during bloom, sun scald around harvest or another unknown physiological disorder.
In the hot southwest, the extra leaves are needed to shade the tomatoes from sun scald and to provide added nourishment to the roots.
Silver maple and English walnut are examples of trees that can be damaged by sun scald in summer, but not during winter, when they are completely defoliated anyway.
Tree wrap has been recommended in the past for use on young trees to protect them from sun scald.
Ripening apples are vulnerable to sun scald, which causes bronzed or bleached spots on the fruit's skin.