Abstract
Cyclamen mite is a nearly global pest of strawberry, inhabiting concealed spaces within folded leaves and flower buds emerging from plant crowns. It feeds on new plant tissue causing leaf discoloration and deformation, stunted plants, fruit bronzing and cracking, and yield losses at high population levels. Because ultraviolet-C (UV-C) irradiation is a promising new tool for disease and pest management in strawberry, and because there are few control options for cyclamen mite, we tested the direct, short-term effects of UV-C on cyclamen mite populations in potted strawberry plants in a controlled environment. Results from three experiments showed few differences in cyclamen mite populations on controls versus plants treated with UV-C (0.237 W m −1 ) for 3 or 4 weeks. In the second experiment, using a different strawberry cultivar and directing the UV-C from above the plant crown only, there was indication of a mild effect that may be due to some direct mortality and/or indirectly to plant defenses. However, longer-term studies will need to be conducted to determine whether pre-infestation exposure to UV-C can enable strawberry plants to better resist or tolerate cyclamen mite populations. Direct mortality did not occur as in previous experiments with pests, like twospotted spider mite, that live primarily on opened leaves.
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Claims 3
Claim · model-written summary
UV-C treated and control strawberry plants had few differences in cyclamen mite populations across three experiments.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- UV-C (0.237 W m −1 )e0
- Interactor
- cyclamen mitee0pest
- Outcome
- cyclamen mite populationse0
- Direction
- few differencese0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Results from three experiments showed few differences in cyclamen mite populations on controls versus plants treated with UV-C (0.237 W m −1 ) for 3 or 4 weeks.”
t0“strawberry”
Claim · model-written summary
The second experiment suggested a mild UV-C effect with irradiation from above the crown.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- UV-Ce0
- Interactor
- cyclamen mitet0pest
- Outcome
- mild effecte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the second experiment, using a different strawberry cultivar and directing the UV-C from above the plant crown only, there was indication of a mild effect that may be due to some direct mortality and/or indirectly to plant defenses.”
t0“cyclamen mite (Phytonemus pallidus (Banks)) in strawberry”
Claim · model-written summary
Direct mortality of cyclamen mite did not occur.
- Taxon
- strawberryFragaria ×ananassat0
- Interactor
- cyclamen mitet0pest
- Outcome
- Direct mortality did not occure0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Direct mortality did not occur as in previous experiments with pests, like twospotted spider mite, that live primarily on opened leaves.”
t0“cyclamen mite (Phytonemus pallidus (Banks)) in strawberry”
The same questions in other papers
uv · pest · Fragaria x ananassa (strawberry)Positive and negative results
4 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
6 papers more in this group
See all 10 papers →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.