Abstract
Mefluidide, a synthetic plant growth regulator, has been reported to protect chilling-sensitive plants from chilling damage and enhance the freezing tolerance of certain winter-hardy herbaceous plants. The potential of mefluidide to enhance the freezing tolerance of nonhardened and dehardening cabbage ( Brassica oleracea L. Capitata Group) leaf tissue was investigated. Mefluidide at 0 to 60 mg·L –1 was tested on `Brunswick' and `Golden Acre' cabbage in five experiments. Leaf tissue freezing tolerance was measured 3 to 9 days postapplication by electrolyte leakage assay. The interval between application and freeze testing had no effect on leaf freeze tolerance. The effect of mefluidide at low rates on leaf freeze tolerance was small and inconsistent. At 30 and 60 mg·L –1 , leaf freeze tolerance was decreased consistently. Chemical name used: N -{2,4-dimethyl-5-[[trifluromethyl)sulfonyl]amino]phenyl}acetamide (mefluidide).
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Claims 3
Claim · model-written summary
The effect of mefluidide at low rates on cabbage leaf freezing tolerance was small and inconsistent.
- Taxon
- cabbage
Brassica oleracea var. capitatae1 - Treatment
- mefluidide at low ratese3
- Outcome
- leaf freeze tolerancee3
- Qualifier
- small and inconsistente3
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“nonhardened and dehardening cabbage ( Brassica oleracea L. Capitata Group) leaf tissue”
e3“The effect of mefluidide at low rates on leaf freeze tolerance was small and inconsistent”
Claim · model-written summary
Mefluidide at 30 and 60 mg·L –1 consistently decreased cabbage leaf freezing tolerance.
- Taxon
- cabbageBrassica oleracea var. capitatae1
- Treatment
- 30 and 60 mg·L –1e4
- Outcome
- leaf freeze tolerancee4
- Direction
- decreasede4
- Qualifier
- consistentlye4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“nonhardened and dehardening cabbage ( Brassica oleracea L. Capitata Group) leaf tissue”
e4“At 30 and 60 mg·L –1 , leaf freeze tolerance was decreased consistently”
Claim · model-written summary
The interval between application and freeze testing had no effect on cabbage leaf freezing tolerance.
- Taxon
- cabbageBrassica oleracea var. capitatae1
- Treatment
- interval between application and freeze testinge2
- Outcome
- leaf freeze tolerancee2
- Direction
- no effecte2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“nonhardened and dehardening cabbage ( Brassica oleracea L. Capitata Group) leaf tissue”
e2“The interval between application and freeze testing had no effect on leaf freeze tolerance”
The same questions in other papers
cold · disease · Brassica oleracea (wild cabbage)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- negative
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.