Abstract
Abstract Short Shoot Syndrome (SSS) causes severe crop losses in Oregon vineyards due to bunch necrosis during the early part of the season. Other symptoms include malformed leaves, unusually short and angled shoots, scar tissue and bronzed leaves close to harvest time. This work shows that SSS found in Oregon vineyards is closely associated with grape leaf rust mite, Calepitrimerus vitis (Nalepa) infestations. Very few bud mites, Colomerus vitis (Pagenstecher), were found in the vineyards during the current year and no relationship could be found between SSS symptoms and this species. During winter, rust mites are dormant and no evidence of direct bud damage from rust mites was found inside undeveloped buds. Tissue damage from mites was first observed between bud break and the two-leaf stage in mite infested vineyards. Rust mite colonies were found under outer bud scales and bark of canes close to the buds. Crop losses as high as 23.7% were directly linked to rust mite infestations and SSS from several vineyards sampled in Oregon.
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Claims 6
Claim · model-written summary
Short shoot syndrome was closely associated with grape leaf rust mite infestations.
Not reportedDirection
Verbatim
e0“SSS found in Oregon vineyards is closely associated with grape leaf rust mite, Calepitrimerus vitis (Nalepa) infestations.”
Claim · model-written summary
Bud mites were scarce and showed no relationship with SSS symptoms.
- Taxon
- grapee1
- Interactor
- Colomerus vitis (Pagenstecher)
%2C_Arnhem%2C_the_Netherlands_-_2.jpg?width=60)
Colomerus vitise0pest - Outcome
- SSS symptomse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
%2C_Arnhem%2C_the_Netherlands_-_2.jpg?width=500)
Verbatim
e0“Very few bud mites, Colomerus vitis (Pagenstecher), were found in the vineyards during the current year and no relationship could be found between SSS symptoms and this species.”
t0“vineyards”
e1“grape leaf rust mite”
Claim · model-written summary
No direct bud damage from dormant rust mites was found in winter.
Verbatim
e0“During winter, rust mites are dormant and no evidence of direct bud damage from rust mites was found inside undeveloped buds.”
t0“vineyards”
e1“grape leaf rust mite”
Claim · model-written summary
Mite tissue damage first appeared between bud break and the two-leaf stage.
Verbatim
e0“Tissue damage from mites was first observed between bud break and the two-leaf stage in mite infested vineyards.”
t0“vineyards”
e1“grape leaf rust mite”
Claim · model-written summary
Rust mite colonies occurred beneath bud scales and cane bark.
Verbatim
e0“Rust mite colonies were found under outer bud scales and bark of canes close to the buds.”
t0“vineyards”
e1“grape leaf rust mite”
Claim · model-written summary
Rust mite infestations and SSS were linked to crop losses as high as 23.7%.
Not reportedDirection
Verbatim
e0“Crop losses as high as 23.7% were directly linked to rust mite infestations and SSS from several vineyards sampled in Oregon.”
t0“vineyards”
e1“grape leaf rust mite”