| 释义 |
Definition of sun scald in English: sun scaldnoun mass nounDamage to plant tissue, especially bark or fruit, caused by exposure to excessive sunlight. 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.
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