Abstract
Thirteen plant species were tested for their suitability as hosts for Abagrotis orbis (Grote), a climbing cutworm pest of grapevines in British Columbia. Choice tests were also conducted to investigate larval feeding preferences for the Brassicaceae species joi choi, Brassica rapa variety. Chinensis L., spring draba; Draba verna L.; and shepherd's purse, Capsella bursa-pastoris (L.) Medik; compared with postdormant buds of grape, Vitis vinifera L. (Vitaceae), and leaves of nine other plant species from several families. Results showed that tah tsai, Brassica rapa L. variety rosularis (M. Tsen & S. H. Lee) Hanelt (Brassicaceae), is a superior host for A. orbis based on shorter time to adult eclosion, heavier pupae, and higher rates of survival. Later-instar larvae died when fed draba, whereas those reared on shepherd's purse did not survive beyond the third instar. White clover, Trifolium repens L. (Fabaceae), and grape leaves were unsuitable hosts throughout development. Fifth-instar A. orbis preferred plants of the Brassicaceae family, dandelion, Taraxacum officinale Weber (Asteraceae), and strawberry, Fragaria sp. L. (Rosaceae), compared with postdormant grape buds. The results of this study suggest that the winter annual mustards draba and shepherd's purse that often grow abundantly in vine rows might help reduce climbing cutworm damage to the buds of grapevines.
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Claims 7
Claim · model-written summary
Tah tsai (Brassica rapa var. rosularis) was a superior host for the pest A. orbis, giving shorter time to adult eclosion, heavier pupae and higher survival.
- Taxon
- tah tsaie0
- Interactor
- A. orbis
Abagrotis variatae0pest - Outcome
- shorter time to adult eclosion, heavier pupae, and higher rates of survivale0
- Qualifier
- superior hoste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tah tsai, Brassica rapa L. variety rosularis (M. Tsen & S. H. Lee) Hanelt (Brassicaceae), is a superior host for A. orbis based on shorter time to adult eclosion, heavier pupae, and higher rates of survival”
Claim · model-written summary
Later-instar A. orbis larvae died when fed draba.
- Outcome
- Later-instar larvae diede0
DrabaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Later-instar larvae died when fed draba”
Claim · model-written summary
A. orbis larvae reared on shepherd's purse did not survive beyond the third instar.
- Taxon
- shepherd's purse
Capsella bursa-pastorise0 - Outcome
- did not survive beyond the third instare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“those reared on shepherd's purse did not survive beyond the third instar”
Claim · model-written summary
White clover was an unsuitable host for A. orbis throughout development.
- Taxon
- White clover
Trifolium repense0 - Outcome
- unsuitable hostse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“White clover, Trifolium repens L. (Fabaceae), and grape leaves were unsuitable hosts throughout development”
Claim · model-written summary
Grape leaves were an unsuitable host for A. orbis throughout development.
Verbatim
e0“White clover, Trifolium repens L. (Fabaceae), and grape leaves were unsuitable hosts throughout development”
Claim · model-written summary
Fifth-instar A. orbis larvae preferred plants of the Brassicaceae family, dandelion and strawberry over postdormant grape buds in choice tests.
- Taxon
- plants of the Brassicaceae familye0
- Interactor
- A. orbisAbagrotis variatae0pest
- Outcome
- preferred plantse0
- Qualifier
- Fifth-instare0
- Comparator
- postdormant grape budse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fifth-instar A. orbis preferred plants of the Brassicaceae family, dandelion, Taraxacum officinale Weber (Asteraceae), and strawberry, Fragaria sp. L. (Rosaceae), compared with postdormant grape buds”
Claim · model-written summary
The authors suggest that draba and shepherd's purse growing in vine rows might help reduce climbing cutworm damage to grapevine buds.
- Interactor
- climbing cutworm
Xestia c-nigrume0pest - Outcome
- climbing cutworm damage to the buds of grapevinese0
VitisOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results of this study suggest that the winter annual mustards draba and shepherd's purse that often grow abundantly in vine rows might help reduce climbing cutworm damage to the buds of grapevines”