Abstract
Abstract Separate experiments showed that current cut rose ( Rosa × hybrida ) cultivars vary considerably in Botrytis ( Botrytis cinerea ) susceptibility and ethylene (ET) sensitivity. There was no pattern when considering these two traits together for the 26 cultivars used, and neither trait appeared predictive of the other. Four cultivars were identified that included one each that is Botrytis susceptible/ET sensitive, Botrytis non-susceptible/ET sensitive, Botrytis susceptible/ET insensitive, and Botrytis non-susceptible/ET insensitive. Exposing these cultivars to ET often resulted in reduced vase life and more pronounced negative Botrytis responses (flower Botrytis damage, leaf Botrytis incidence, and frequency of termination due to Botrytis). This was true for ET sensitive and insensitive cultivars, Botrytis susceptible and non-susceptible cultivars, Botrytis inoculated and non-inoculated stems, and stems exposed to ET either before or after Botrytis inoculation and incubation. Thus, even if ET is not thought to have a major influence on a given cut rose cultivar in terms of classic negative ET responses (leaf drop, petal wilt, altered opening rate), ET exposure could have a significant negative impact on that cultivar by exacerbating Botrytis damage. Shipping temperatures and methods can have a strong influence on Botrytis damage, with pre-cooling of shipping boxes before cold storage/transport being beneficial. Index words: Botrytis blight, Botrytis cinerea , cut flowers, floriculture, gray mold, Rosa L. hybrids. Species used in this study: Rose ( Rosa × hybrida ) focal cultivars ‘Cuenca', ‘Daphnee', ‘Freedom', ‘Vendela'; Botrytis ( Botrytis cinerea Pers. ex. Fr.). Chemicals used in this study: 1-methylcyclopropene (EthylBloc); ethylene; silver thiosulfate.
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Claims 9
Claim · model-written summary
Cut rose cultivars vary considerably in Botrytis susceptibility and ethylene sensitivity.
- Taxon
- Rosa × hybrida
Rosa hybrid cultivare0 - Interactor
- Botrytis cinerea
Botrytis cinereae0pathogen - Outcome
- susceptibility and ethylene (ET) sensitivitye0
- Qualifier
- vary considerablye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“current cut rose ( Rosa × hybrida ) cultivars vary considerably in Botrytis ( Botrytis cinerea ) susceptibility and ethylene (ET) sensitivity”
Claim · model-written summary
Botrytis susceptibility and ethylene sensitivity were not predictive of each other across the 26 cultivars.
- Taxon
- Rosa × hybridaRosa hybrid cultivare0
- Outcome
- predictive of the othere4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“current cut rose ( Rosa × hybrida ) cultivars vary considerably in Botrytis ( Botrytis cinerea ) susceptibility and ethylene (ET) sensitivity”
e4“neither trait appeared predictive of the other”
Claim · model-written summary
Exposing cut rose cultivars to ethylene reduced vase life.
- Taxon
- Rosa × hybridaRosa hybrid cultivare0
- Treatment
- Exposing these cultivars to ETe1
- Outcome
- vase lifee1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“current cut rose ( Rosa × hybrida ) cultivars vary considerably in Botrytis ( Botrytis cinerea ) susceptibility and ethylene (ET) sensitivity”
e1“Exposing these cultivars to ET often resulted in reduced vase life and more pronounced negative Botrytis responses (flower Botrytis damage, leaf Botrytis incidence, and frequency of termination due to Botrytis)”
Claim · model-written summary
Ethylene exposure made flower damage, leaf incidence and termination frequency due to Botrytis more pronounced.
- Taxon
- Rosa × hybridaRosa hybrid cultivare0
- Treatment
- Exposing these cultivars to ETe1
- Outcome
- flower Botrytis damage, leaf Botrytis incidence, and frequency of termination due to Botrytise1
- Direction
- more pronouncede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“current cut rose ( Rosa × hybrida ) cultivars vary considerably in Botrytis ( Botrytis cinerea ) susceptibility and ethylene (ET) sensitivity”
e1“Exposing these cultivars to ET often resulted in reduced vase life and more pronounced negative Botrytis responses (flower Botrytis damage, leaf Botrytis incidence, and frequency of termination due to Botrytis)”
Claim · model-written summary
Ethylene exposure could exacerbate Botrytis damage in cut roses.
- Taxon
- Rosa × hybridaRosa hybrid cultivare0
- Treatment
- ET exposuree2
- Outcome
- Botrytis damagee2
- Direction
- exacerbatinge2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“current cut rose ( Rosa × hybrida ) cultivars vary considerably in Botrytis ( Botrytis cinerea ) susceptibility and ethylene (ET) sensitivity”
e2“ET exposure could have a significant negative impact on that cultivar by exacerbating Botrytis damage”
Claim · model-written summary
Pre-cooling of shipping boxes before cold storage or transport is beneficial for cut roses against Botrytis.
Verbatim
t0“Botrytis Damage in Cut Roses”
e3“with pre-cooling of shipping boxes before cold storage/transport being beneficial”
Claim · model-written summary
Shipping temperatures and methods can have a strong influence on Botrytis damage in cut roses.
Not reportedDirection
Verbatim
t0“Botrytis Damage in Cut Roses”
e3“Shipping temperatures and methods can have a strong influence on Botrytis damage”
Claim · model-written summary
Four cut rose cultivars were identified that combine Botrytis susceptibility and ethylene sensitivity classes.
- Taxon
- Rosa × hybridaRosa hybrid cultivare0
- Outcome
- Four cultivars were identifiede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“current cut rose ( Rosa × hybrida ) cultivars vary considerably in Botrytis ( Botrytis cinerea ) susceptibility and ethylene (ET) sensitivity”
e5“Four cultivars were identified”
Claim · model-written summary
Ethylene exposure increased negative Botrytis responses irrespective of cultivar sensitivity or stem inoculation.
- Taxon
- Rosa × hybridaRosa hybrid cultivare0
- Treatment
- Exposing these cultivars to ETe1
- Outcome
- negative Botrytis responsese1
- Direction
- more pronouncede1
- Qualifier
- ET sensitive and insensitive cultivarse6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“current cut rose ( Rosa × hybrida ) cultivars vary considerably in Botrytis ( Botrytis cinerea ) susceptibility and ethylene (ET) sensitivity”
e1“Exposing these cultivars to ET often resulted in reduced vase life and more pronounced negative Botrytis responses (flower Botrytis damage, leaf Botrytis incidence, and frequency of termination due to Botrytis)”
e6“This was true for ET sensitive and insensitive cultivars, Botrytis susceptible and non-susceptible cultivars, Botrytis inoculated and non-inoculated stems”
The same questions in other papers
ethene · quality: postharvest · Rosa hybrid cultivarResults differ
1 paper in the same direction as this paper
- no effect
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.