Abstract
SummaryIn drip irrigation experiments where water was applied daily it was found that low water tensions could be maintained in the soil to a range of 10 to 20 centibars and that these conditions had a considerable influence on yield and quality of processing tomatoes, Lycopersicon esculentum cv VF 317. The response of the plant in different growth stages to low soil water tensions was studied. Irrigation during the period of fruit set and fruit development was found to increase yield levels by 53 t ha-1 compared with non-irrigated plants. Irrigation applied only during the period of fruit development had a favourable influence on yield as well as on the efficiency of water utilization. However, irrigation at this stage had an unfavourable influence on fruit quality characteristics, namely, total soluble solids, acidity, viscosity and vitamin C. The effects of irrigation on fruit set and fruit development are discussed.
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Claims 5
Claim · model-written summary
Irrigation during fruit set and fruit development increased processing tomato yield by 53 t ha-1 compared with non-irrigated plants.
Verbatim
t0“Processing Tomato Plants”
e1“Irrigation during the period of fruit set and fruit development was found to increase yield levels by 53 t ha-1 compared with non-irrigated plants”
Claim · model-written summary
Irrigation applied only during fruit development had a favourable influence on yield and on the efficiency of water utilization in processing tomato.
- Taxon
- processing tomatot0
- Treatment
- Irrigation applied only during the period of fruit developmente2
- Outcome
- yield as well as on the efficiency of water utilizatione2
- Direction
- favourable influencee2
Not reportedComparator
Verbatim
t0“Processing Tomato Plants”
e2“Irrigation applied only during the period of fruit development had a favourable influence on yield as well as on the efficiency of water utilization”
Claim · model-written summary
Irrigation at fruit development had an unfavourable influence on total soluble solids, acidity and viscosity of processing tomato fruit.
- Taxon
- processing tomatot0
- Treatment
- irrigation at this stagee3
- Outcome
- total soluble solids, acidity, viscositye3
- Direction
- unfavourable influencee3
Not reportedComparator
Verbatim
t0“Processing Tomato Plants”
e3“irrigation at this stage had an unfavourable influence on fruit quality characteristics, namely, total soluble solids, acidity, viscosity and vitamin C”
Claim · model-written summary
Irrigation at fruit development had an unfavourable influence on vitamin C of processing tomato fruit.
- Taxon
- processing tomatot0
- Treatment
- irrigation at this stagee3
- Outcome
- vitamin Ce3
- Direction
- unfavourable influencee3
Not reportedComparator
Verbatim
t0“Processing Tomato Plants”
e3“irrigation at this stage had an unfavourable influence on fruit quality characteristics, namely, total soluble solids, acidity, viscosity and vitamin C”
Claim · model-written summary
Maintaining low soil water tensions of 10 to 20 centibars had a considerable influence on processing tomato yield and quality, with direction not stated.
Not reportedComparatorDirection
Verbatim
e0“low water tensions could be maintained in the soil to a range of 10 to 20 centibars and that these conditions had a considerable influence on yield and quality of processing tomatoes”
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