منابع مشابه
Cold hardening in citrus stems.
Stem cold hardening developed to different levels in citrus types tested in controlled environments. Exotherms indicated ice spread was more uniform and rapid in unhardened than in cold-hardened stems. All attempts to inhibit the functioning of citrus leaves resulted in less cold hardening in the stems. Citrus leaves contribute a major portion of cold hardening in the wood.
متن کاملRelationships of leaf Fatty acids to cold hardening of citrus seedlings.
Three cultivars of citrus with different sensitivities to freezing temperatures (citron, Citrus medica L.; rough lemon, C. limon Burm. F; sour orange, C. aurantium L.) were cold hardened for 4 weeks. Lipids from leaves of hardened and control seedlings were fractionated and analyzed for fatty acids. The absolute amount of triglycerides and phospholipids increased in the leaves upon hardening. W...
متن کاملA rapid cold-hardening process in insects.
Traditionally studies of cold tolerance in insects have focused on seasonal adaptations related to overwintering that are observed after weeks or months of exposure to low temperature. In contrast, an extremely rapid cold-hardening response was observed in nonoverwintering stages that confers protection against injury due to cold shock at temperatures above the supercooling point. This response...
متن کاملRapid cold-hardening increases membrane Xuidity and cold
The rapid cold-hardening (RCH) response not only confers dramatic protection against cold-shock (non-freezing) injury, but also “instantaneously” enhances organismal performance. Since cold-shock injury is associated with damage to the cell membrane, we investigated the relationship between RCH and changes in cold tolerance and membrane Xuidity at the cellular level. None of the adult Xies (Sar...
متن کاملCold hardening and transcriptional change in Drosophila melanogaster.
Cold hardening treatment - a brief exposure to low temperatures - can protect certain insects against subsequent exposure to temperatures sufficiently low to cause damage or lethality. Microarray analysis to examine the changes in transcript abundance associated with cold hardening treatment (0 degrees C for 2 h followed by 30 min recovery at 25 degrees C) was undertaken in Drosophila melanogas...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1975
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.56.4.540