site stats

Freeze-thaw injury

WebFreeze-thaw injury in erythrocytes of the freeze-tolerant wood frog, Rana sylvatica JON P. COSTANZO AND RICHARD E. LEE, JR. Department of Zoology, Miami University, … Webment. Substantial injury occurred to protoplasts which underwent a freeze-thaw cycle to -3.9 C (Fig. 1). At -3.9 C the system is composed of ice and a solution in equilibrium with the ice which has a calculated osmolality of about 2.1 (11). If injury which occurred following a freeze-thaw cycle to -3.9 C was due to the

Freeze-Thaw Injury to Isolated Spinach Protoplasts and Its …

WebMay 1, 2024 · Highlights. Extracellular versus intracellular freezing; cellular desiccation, the major cause of various manifestations of freeze-thaw-injury (FTI). Early theories for FTI … WebPossibilities to account for the mechanism of freeze-thaw injury to isolated protoplasts of Spinacia oleracea L. cv. Winter Bloomsdale were investigated. A freeze-thaw cycle to -3.9 C resulted in 80% lysis of the protoplasts. At -3.9 C, protoplasts are exposed to the equivalent of a 2.1 osmolal solu … dr. assey mt pleasant https://djbazz.net

Electrical impedance analysis in plant tissues: The effect of freeze ...

WebAbstract. Understanding cellular mechanism (s) of freeze-thaw injury (FTI) is key to the efforts for improving plant freeze-tolerance by cultural methods or molecular/genetic … WebSep 29, 2024 · Figure 8 shows that the F1 red clay’s shear strength decreased as the sample went through successive freeze-thaw cycles. After 15 freeze-thaw cycles, the 0.3, 0.5, and 0.7 L/m 3 F1 clay samples still exhibited 3.5%, 18.4%, and 6.0% higher cohesion than the virgin red clay, respectively, and correspondingly 32.3%, 57.1%, and 48.2% … WebPossibilities to account for the mechanism of freeze-thaw injury to isolated protoplasts of Spinacia oleracea L. cv. Winter Bloomsdale were investigated. A freeze-thaw cycle to … empirical path loss model

Frostbite in Hands: Signs & Treatment The Hand Society

Category:Short versus prolonged freezing differentially …

Tags:Freeze-thaw injury

Freeze-thaw injury

Freeze and Thaw Damage on Trees: Winter Injury Davey Tree

WebJan 21, 2024 · According to its nature, local cold injury can be divided into two types: freezing cold injury (FCI) and non-freezing cold injury (NFCI). It is generally believed that FCI occurs when the tissue is exposed to a freezing point of approximately 0.55 °C; the ambient temperature is usually below 0 °C, and there is tissue freeze-thaw injury.

Freeze-thaw injury

Did you know?

WebFreeze (–4.5°C)–thaw-injured tissues (32% injury vs <3% in unfrozen control) fully recovered during post-thaw, as assessed by an ion leakage-based method. Our data … WebThe construction of an effective freeze-thaw injury(EFTI)model can provide a basis for the prevention and control of poplar overwintering injuries. Method On the basis of clarifying the mechanism of poplar overwintering injury and putting forward the hypothesis of cumulative effect of EFTI, this paper selects the days of ...

WebOct 19, 2012 · The above-described freeze-thaw injury in onion scales is reversible since water soaking disappeared in REC samples and the ion leakage returned to almost the … WebNov 1, 1998 · Abstract. As the modern era of cryosurgery began in the mid 1960s, the basic features of cryosurgical technique were established as rapid freezing, slow thawing, and repetition of the freeze–thaw cycle. Since then, new applications of cryosurgery have caused numerous investigations on the mechanism of injury in cryosurgery with the …

WebTo explore possible cellular mechanism(s) for post-thaw recovery (REC), we used Spinacia oleracea L. cv. Bloomsdale leaves to first determine the reversible freeze–thaw injury point. Freeze (–4.5°C)–thaw-injured tissues (32% injury vs <3% in unfrozen control) fully recovered during post-thaw, as assessed by an ion leakage-based method. http://j.bjfu.edu.cn/en/article/doi/10.12171/j.1000-1522.20240245

WebMay 1, 2024 · Lethal freeze-thaw injury to winter wheat crowns induced lipid phase separation and increased gel-to liquid-crystalline phase transition at temperatures …

WebMany factors cause variations in the compressive strength of concrete, such as carbonation, temperature effect, chloride ion erosion, freeze–thaw cycle, sulfate attack, etc. [17,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36].Currently, the research methods for studying the time variation law of compressive strength generally include taking statistical … empirical physicsWebMar 1, 2024 · In acclimated plants, the disruption of the plasma membrane from freeze-thaw injury is generally accepted as the primary cause of lethal injury (Sakai and Larcher 1987, Olien and Livingston 2006 ... dr assenmacher monroe miWebApr 1, 1992 · effect of freeze-thaw injury on the electrical properties of potato tuber and carrot root tissue. Can. J. Plant Sci.72: 545-553. Electrical impedances in the range 100 Hz to 800 KHz were measured dr assenmacher bay park