Abstract
Feeding injury caused by larvae and adults of the sweetpotato whitefly, Bemisia tabaci (Gennadius), reduced rates of net photosynthesis and transpiration of tomato, Lycopersicon esculentum Mill., leaflets. Leaf stomatal resistance increased with larval and adult injury, which indicated that gas exchange was restricted because of increased stomatal closure. Furthermore, larval injury reduced leaf chlorophyll content, photosynthetic capacity per unit of remaining chlorophyll, chlorophyll a:b, and specific leaf weight. Adult feeding also significantly reduced leaf chlorophyll content and, in one trial photosynthetic capacity of remaining chlorophyll, but it did not affect chlorophyll a:b and specific leaf weight. Net photosynthesis was positively correlated with leaf stomatal resistance, chlorophyll content, and photosynthetic capacity per unit of chlorophyll in both larval and adult trials. These results indicate that larval injury reduced tomato leaf gas exchange more than adult injury. Furthermore, feeding by B. tabaci reduced leaf photosynthesis in tomato by restricting gas exchange through stomata and by reducing content and photosynthetic capacity of chlorophyll.
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Claims 9
Claim · model-written summary
Whitefly larval and adult injury reduced tomato net photosynthesis and transpiration.
- Taxon
- tomato
Solanum lycopersicume0 - Organ / stage
- leafletse0
- Treatment
- Feeding injury caused by larvae and adultse0
- Interactor
- Bemisia tabaci (Gennadius)
Bemisia tabacie0pest - Outcome
- net photosynthesis and transpiratione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Feeding injury caused by larvae and adults of the sweetpotato whitefly, Bemisia tabaci (Gennadius), reduced rates of net photosynthesis and transpiration of tomato, Lycopersicon esculentum Mill., leaflets.”
Claim · model-written summary
Larval and adult injury increased stomatal resistance.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- larval and adult injurye0
- Interactor
- Bemisia tabaciBemisia tabacit1pest
- Outcome
- Leaf stomatal resistancee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf stomatal resistance increased with larval and adult injury”
t0“tomato”
t1“Bemisia tabaci”
Claim · model-written summary
Larval injury reduced leaf chlorophyll content, photosynthetic capacity, chlorophyll a:b and specific leaf weight.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- larval injurye0
- Interactor
- Bemisia tabaciBemisia tabacit1pest
- Outcome
- leaf chlorophyll content, photosynthetic capacity per unit of remaining chlorophyll, chlorophyll a:b, and specific leaf weighte0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“larval injury reduced leaf chlorophyll content, photosynthetic capacity per unit of remaining chlorophyll, chlorophyll a:b, and specific leaf weight”
t0“tomato”
t1“Bemisia tabaci”
Claim · model-written summary
Adult feeding significantly reduced leaf chlorophyll content.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- Adult feedinge0
- Interactor
- Bemisia tabaciBemisia tabacit1pest
- Outcome
- leaf chlorophyll contente0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Adult feeding also significantly reduced leaf chlorophyll content”
t0“tomato”
t1“Bemisia tabaci”
Claim · model-written summary
Adult feeding reduced photosynthetic capacity of remaining chlorophyll in one trial.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- Adult feedinge0
- Interactor
- Bemisia tabaciBemisia tabacit1pest
- Outcome
- photosynthetic capacity of remaining chlorophylle0
- Direction
- reducede0
- Qualifier
- in one triale0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Adult feeding also significantly reduced leaf chlorophyll content and, in one trial photosynthetic capacity of remaining chlorophyll”
t0“tomato”
t1“Bemisia tabaci”
Claim · model-written summary
Adult feeding did not affect chlorophyll a:b or specific leaf weight.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- Bemisia tabacit1
- Interactor
- Bemisia tabaciBemisia tabacit1pest
- Outcome
- chlorophyll a:b and specific leaf weighte0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it did not affect chlorophyll a:b and specific leaf weight”
t0“tomato”
t1“Bemisia tabaci”
Claim · model-written summary
Net photosynthesis correlated positively with stomatal resistance, chlorophyll content and photosynthetic capacity per unit of chlorophyll.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- Net photosynthesise0
- Direction
- positively correlatede0
- Comparator
- leaf stomatal resistance, chlorophyll content, and photosynthetic capacity per unit of chlorophylle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Net photosynthesis was positively correlated with leaf stomatal resistance, chlorophyll content, and photosynthetic capacity per unit of chlorophyll in both larval and adult trials”
t0“tomato”
Claim · model-written summary
Larval injury reduced tomato leaf gas exchange more than adult injury.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- larval injurye0
- Interactor
- Bemisia tabaciBemisia tabacit0pest
- Outcome
- tomato leaf gas exchangee0
- Direction
- reducede0
- Comparator
- adult injurye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“larval injury reduced tomato leaf gas exchange more than adult injury”
t0“Bemisia tabaci”
Claim · model-written summary
Whitefly feeding reduced photosynthesis through stomatal gas exchange restriction and lower chlorophyll content and capacity.
- Taxon
- tomatoSolanum lycopersicume0
- Interactor
- B. tabaciBemisia tabacie0pest
- Outcome
- leaf photosynthesise0
- Qualifier
- restricting gas exchange through stomata and by reducing content and photosynthetic capacity of chlorophylle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“feeding by B. tabaci reduced leaf photosynthesis in tomato by restricting gas exchange through stomata and by reducing content and photosynthetic capacity of chlorophyll”
The same questions in other papers
infection · Bemisia tabaci · Solanum lycopersicum (tomato)Positive and negative results
8 papers in the same direction as this paper · 6 in the opposite direction
- negative
- positive
- positive
11 papers more in this group
See all 15 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.