Abstract
Oneyearold grapevines of Sauvignon blanc grafted to rootstocks 10114 or Schwarzmann were used to evaluate the effects of partial defoliation and inoculation with C destructans on disease severity incidence and dry weight accumulation Assessment 8 months after treatments showed that disease incidence was not affected by the defoliation treatments However disease severity was significantly highest for the highly defoliated plants (P0043) Incidence and severity were similar for Schwarzmann (293 and 84 respectively) and 10114 (310 and 149 respectively) Root dry weight was affected by the defoliation treatments (P0000) being significantly lower in the highly defoliated plants than the moderately defoliated and undefoliated plants (156 185 and 199 g respectively) The practice of leaf removal in young vines clearly needs to be managed when black foot is a recognised risk factor for newly planted vineyards
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Claims 5
Claim · model-written summary
Partial defoliation did not significantly change black foot disease incidence.
VitisNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease incidence was not affected by the defoliation treatments However disease severity was significantly highest for the highly defoliated plants (P0043)”
t0“grapevines”
Claim · model-written summary
High defoliation gave the greatest disease severity.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease incidence was not affected by the defoliation treatments However disease severity was significantly highest for the highly defoliated plants (P0043)”
t0“grapevines”
Claim · model-written summary
Disease incidence and severity were similar between Schwarzmann and 10114 rootstocks.
- Material
- Schwarzmanne0
- Outcome
- Incidence and severitye0
- Direction
- similare0
- Qualifier
- 293 and 84 respectivelye0
- Comparator
- 10114e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Incidence and severity were similar for Schwarzmann (293 and 84 respectively) and 10114 (310 and 149 respectively)”
t0“grapevines”
Claim · model-written summary
High defoliation reduced root dry weight relative to moderate and no defoliation.
- Treatment
- highly defoliated plantse0
- Outcome
- Root dry weighte0
- Direction
- lowere0
- Value
- 156 185 and 199 ge0
- Qualifier
- P0000e0
- Comparator
- moderately defoliated and undefoliated plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root dry weight was affected by the defoliation treatments (P0000) being significantly lower in the highly defoliated plants than the moderately defoliated and undefoliated plants (156 185 and 199 g respectively)”
t0“grapevines”
Claim · model-written summary
Leaf removal in young vines should be managed where black foot is a risk.
- Outcome
- leaf removal in young vines clearly needs to be managede0
- Qualifier
- black foot is a recognised risk factore0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The practice of leaf removal in young vines clearly needs to be managed when black foot is a recognised risk factor for newly planted vineyards”
t0“grapevines”
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