Abstract
The reproductive response of fifteen year old sweet cherry trees (Prunus avium L.) combination ‘Prime Giant’/SL64 under Mediterranean climate to deficit irrigation was studied in a commercial orchard in south-eastern Spain for four seasons. Three irrigation treatments were assayed: (i) control treatment, irrigated without restrictions at 110% of seasonal crop evapotranspiration; (ii) sustained deficit irrigation treatment, irrigated at 85% ETc during pre-harvest and post-harvest periods, and at 100% ETc during floral differentiation, and (iii) regulated deficit irrigation treatment, irrigated at 100% ETc during pre-harvest and floral differentiation and at 55% ETc during post-harvest. The duration and intensity of the phenological phases of sweet cherry trees, including cold accumulation, flowering, fruit set or fruit and vegetative growth, were assessed to ascertain whether the different irrigation strategies imposed affect the trees’ reproductive response (fruit yield, fruit size, leaf area, fruit physiological disturbances, and starch and soluble carbohydrates stock) in the same season or have a negative effect in the next season. Deficit irrigation did not advance, enhance or penalize flowering, fruit set or fruit growth. Neither did it diminish carbohydrate concentration in roots or cause an increase in the number of double fruits, which was more linked to high temperatures after harvest. However, deficit irrigation decreased vegetative growth and consequently the leaf area/fruit ratio, which, when it fell below 180 cm2 fruit−1, affected cherry size.
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Claims 7
Claim · model-written summary
Deficit irrigation did not advance, enhance or penalize flowering, fruit set or fruit growth of sweet cherry trees.
- Taxon
- Prunus avium L.
Prunus aviume0 - Treatment
- Deficit irrigatione1
- Outcome
- flowering, fruit set or fruit growthe1
- Direction
- no_changeinferrede1
- Comparator
- control treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sweet cherry trees (Prunus avium L.)”
e1“Deficit irrigation did not advance, enhance or penalize flowering, fruit set or fruit growth”
e2“control treatment, irrigated without restrictions at 110% of seasonal crop evapotranspiration”
Claim · model-written summary
Deficit irrigation did not diminish carbohydrate concentration in roots of sweet cherry trees.
- Taxon
- Prunus avium L.Prunus aviume0
- Organ / stage
- rootse3
- Treatment
- Deficit irrigatione1
- Outcome
- carbohydrate concentration in rootse3
- Direction
- no_changeinferrede3
- Comparator
- control treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sweet cherry trees (Prunus avium L.)”
e1“Deficit irrigation did not advance, enhance or penalize flowering, fruit set or fruit growth”
e2“control treatment, irrigated without restrictions at 110% of seasonal crop evapotranspiration”
e3“Neither did it diminish carbohydrate concentration in roots”
Claim · model-written summary
Deficit irrigation did not increase the number of double fruits of sweet cherry trees.
- Taxon
- Prunus avium L.Prunus aviume0
- Treatment
- Deficit irrigatione1
- Outcome
- number of double fruitse4
- Direction
- no_changeinferrede4
- Comparator
- control treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sweet cherry trees (Prunus avium L.)”
e1“Deficit irrigation did not advance, enhance or penalize flowering, fruit set or fruit growth”
e2“control treatment, irrigated without restrictions at 110% of seasonal crop evapotranspiration”
e4“or cause an increase in the number of double fruits”
Claim · model-written summary
The number of double fruits was more linked to high temperatures after harvest.
- Taxon
- Prunus avium L.Prunus aviume0
- Treatment
- high temperatures after harveste5
- Outcome
- number of double fruitse4
- Direction
- increaseinferrede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sweet cherry trees (Prunus avium L.)”
e4“or cause an increase in the number of double fruits”
e5“which was more linked to high temperatures after harvest”
Claim · model-written summary
Deficit irrigation decreased vegetative growth of sweet cherry trees.
- Taxon
- Prunus avium L.Prunus aviume0
- Treatment
- deficit irrigatione6
- Outcome
- vegetative growthe6
- Direction
- decreasede6
- Comparator
- control treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sweet cherry trees (Prunus avium L.)”
e2“control treatment, irrigated without restrictions at 110% of seasonal crop evapotranspiration”
e6“deficit irrigation decreased vegetative growth”
Claim · model-written summary
When the leaf area/fruit ratio fell below 180 cm2 fruit−1, cherry size was affected in sweet cherry trees.
- Taxon
- Prunus avium L.Prunus aviume0
- Treatment
- leaf area/fruit ratioe7
- Outcome
- cherry sizee7
- Qualifier
- when it fell below 180 cm2 fruit−1e7
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sweet cherry trees (Prunus avium L.)”
e7“the leaf area/fruit ratio, which, when it fell below 180 cm2 fruit−1, affected cherry size”
Claim · model-written summary
Deficit irrigation decreased the leaf area/fruit ratio of sweet cherry trees.
- Taxon
- Prunus avium L.Prunus aviume0
- Treatment
- deficit irrigatione6
- Outcome
- leaf area/fruit ratioe7
- Direction
- decreaseinferrede7
- Comparator
- control treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sweet cherry trees (Prunus avium L.)”
e2“control treatment, irrigated without restrictions at 110% of seasonal crop evapotranspiration”
e6“deficit irrigation decreased vegetative growth”
e7“consequently the leaf area/fruit ratio”
The same questions in other papers
irrigation · quality: sugar starch · Prunus avium (sweet cherry)Positive and negative results
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- positive
- positive
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irrigation · yield · Prunus avium (sweet cherry)Positive and negative results
8 papers in the same direction as this paper · 9 in the opposite direction
- positive
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- positive
14 papers more in this group
See all 18 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.