Abstract
Winter survival of cabbage seed crops is limited by the freezing resistance of the lower stem pith tissue. Both tolerance of extracellular freezing and avoidance of lethal temperatures are components of stem pith tissue freezing resistance. The avoidance mechanism involves the formation of ice within the pith tissue at relatively warm temperatures (little undercooling) and the subsequent release of heat of fusion, followed by significant slowing of the freezing rate so that stem temperatures are mitigated against ambient temperatures for several hours.
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Claims 2
Claim · model-written summary
The avoidance mechanism of cabbage stem pith freezing resistance involves ice formation within the pith at relatively warm temperatures.
- Taxon
- cabbage
Brassica oleracea var. capitatae0 - Organ / stage
- pith tissuee1
- Outcome
- freezing resistancee0
- Qualifier
- the formation of ice within the pith tissue at relatively warm temperatures (little undercooling)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Winter survival of cabbage seed crops is limited by the freezing resistance of the lower stem pith tissue”
e1“The avoidance mechanism involves the formation of ice within the pith tissue at relatively warm temperatures (little undercooling) and the subsequent release of heat of fusion, followed by significant slowing of the freezing rate so that stem temperatures are mitigated against ambient temperatures for several hours”
Claim · model-written summary
In cabbage, significant slowing of the freezing rate kept stem temperatures mitigated against ambient temperatures for several hours.
- Taxon
- cabbageBrassica oleracea var. capitatae0
- Outcome
- freezing ratee1
- Qualifier
- stem temperatures are mitigated against ambient temperatures for several hourse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Winter survival of cabbage seed crops is limited by the freezing resistance of the lower stem pith tissue”
e1“The avoidance mechanism involves the formation of ice within the pith tissue at relatively warm temperatures (little undercooling) and the subsequent release of heat of fusion, followed by significant slowing of the freezing rate so that stem temperatures are mitigated against ambient temperatures for several hours”