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“yield decrease”

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Organism: Prunus persica ✕

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Paclobutrazol caused no apparent decrease in fruit yield.

Taxon: Nectarine TreesPrunus persica var. nucipersicat0
Treatment: paclobutrazole0
Outcome: fruit yielde0
Direction: no apparent decreasee0
Comparator: controlse0

Verbatim

e0
“The paclobutrazol treatment resulted in a 67.9% decrease in annual extension shoot growth compared to controls and no apparent decrease in fruit yield”
✓ located verbatim in the source · abstract, characters 395–545

t0
“Nectarine Trees”
✓ located verbatim in the source · title, characters 60–75

Title

Leaf Gas Exchange and Growth Responses of Mature ‘Fantasia’ Nectarine Trees to Paclobutrazol

T. M. DeJong; J. F. Doyle Journal of the American Society for Horticultural Science 1984. doi:10.21273/jashs.109.6.878

Other claims from this paper (10)

Intervention effect Paclobutrazol reduced annual extension shoot growth by 67.9% versus controls.
Intervention effect Paclobutrazol caused no apparent decrease in leaf photosynthetic rate.
Intervention effect Paclobutrazol reduced total tree leaf area by an estimated 54.5%.
Association Fruit presence had no apparent effect on leaf CO 2 assimilation.
Association Fruit maturity stage had no apparent effect on leaf CO 2 assimilation.
Intervention effect Treated extension shoots had shorter internodes and larger diameters than untreated shoots.
Intervention effect Treated shoots had larger diameters than untreated shoots.
Intervention effect Treated shoots had more flower buds per unit length.
Intervention effect Treated shoots had higher specific shoot dry weights.
Intervention effect Treated shoots had fewer buds per unit shoot dry weight.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

A 20% decrease in irrigation rate had no significant effect on peach yield.

Taxon: peachPrunus persicae6
Treatment: 20% decrease in irrigation ratee1
Outcome: yielde1
Direction: no_changeinferrede1

Not reportedComparator

Verbatim

e6
“to investigate the behavior of peach trees under sustained deficit irrigation (SDI)”
✓ located verbatim in the source · abstract, characters 181–264

e1
“However, for the 20% decrease in irrigation rate, the effect on yield was not significant”
✓ located verbatim in the source · abstract, characters 1095–1184

Title

PHYSIOLOGICAL, VEGETATIVE, AND PRODUCTION RESPONSES OF PEACH TO SUSTAINED DEFICIT IRRIGATION

MERIAME LAITA; ZERHOUNE MESSAOUDI; RACHID BENKIRANE; et al. Journal of Global Agriculture and Ecology 2022. doi:10.56557/jogae/2022/v14i47818

Other claims from this paper (5)

Intervention effect Decreasing irrigation rate negatively affected the main vegetative and production parameters of peach trees.
Intervention effect The T3 (60%ETc) water regime significantly increased the length and diameter of current-year shoots of peach trees.
Intervention effect The T2 (80 % ETc) water regime did not affect peach leaf area.
Intervention effect Trees under the T3 (60 % ETc) regime yielded fruit with the highest sugar content.
Association The increase in sugar content was accompanied by a decrease in total acidity of the fruit juice.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Limited irrigation alone did not decrease peach yield compared with the control crop management.

Taxon: peachPrunus persicae1
Material: cv. Californiae1
Treatment: limited irrigation alonee3
Outcome: yielde3
Direction: without any decreasee3
Comparator: control crop managemente3
Setting: southern Italye1

Verbatim

e1
“carried out on a late ripening peach (cv. California) growing in a typicalMediterranean horticultural area (from southern Italy)”
✓ located verbatim in the source · abstract, characters 961–1089

e3
“Compared to the control crop management (hail net coverage, soil tillage and full irrigation), limited irrigation alone was able to slightly increase WUEI thanks to the reduction of water supply without any decrease of yield”
✓ located verbatim in the source · abstract, characters 1660–1884

Title

Innovative Soil Management and Micro-Climate Modulation for Saving Water in Peach Orchards

Pasquale Campi; Liliana Gaeta; Marcello Mastrorilli; et al. Frontiers in Plant Science 2020. doi:10.3389/fpls.2020.01052

Other claims from this paper (9)

Intervention effect Shading hail-net reduced air temperature by 1 °C in the peach canopy.
Intervention effect Shading hail-net reduced wind speed by 57%.
Intervention effect Shading hail-net reduced solar radiation by 32%.
Intervention effect Shading hail-net increased relative air humidity by 9.5%.
Intervention effect Limited irrigation alone slightly increased irrigation water use efficiency compared with the control crop management.
Intervention effect The combination of shading hail net, mulching and limited irrigation saved seasonal irrigation water volume by 25%.
Intervention effect The combination of shading hail net, mulching and limited irrigation increased final peach yield by 36%.
Intervention effect The combination of shading hail net, mulching and limited irrigation increased WUEI by 53%.
Intervention effect Net shading and soil mulching together mitigated soil water stress induced by limited irrigation.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Paclobutrazol caused no apparent decrease in leaf photosynthetic rate.

Taxon: Nectarine TreesPrunus persica var. nucipersicat0
Treatment: paclobutrazole1
Outcome: leaf photosynthetic ratee0
Direction: no apparent decreasee0

Not reportedComparator

Verbatim

e0
“no apparent decrease in fruit yield or leaf photosynthetic rate”
✓ located verbatim in the source · abstract, characters 510–573

e1
“The paclobutrazol treatment resulted”
✓ located verbatim in the source · abstract, characters 395–431

t0
“Nectarine Trees”
✓ located verbatim in the source · title, characters 60–75

Title

Leaf Gas Exchange and Growth Responses of Mature ‘Fantasia’ Nectarine Trees to Paclobutrazol

T. M. DeJong; J. F. Doyle Journal of the American Society for Horticultural Science 1984. doi:10.21273/jashs.109.6.878

Other claims from this paper (10)

Intervention effect Paclobutrazol reduced annual extension shoot growth by 67.9% versus controls.
Intervention effect Paclobutrazol caused no apparent decrease in fruit yield.
Intervention effect Paclobutrazol reduced total tree leaf area by an estimated 54.5%.
Association Fruit presence had no apparent effect on leaf CO 2 assimilation.
Association Fruit maturity stage had no apparent effect on leaf CO 2 assimilation.
Intervention effect Treated extension shoots had shorter internodes and larger diameters than untreated shoots.
Intervention effect Treated shoots had larger diameters than untreated shoots.
Intervention effect Treated shoots had more flower buds per unit length.
Intervention effect Treated shoots had higher specific shoot dry weights.
Intervention effect Treated shoots had fewer buds per unit shoot dry weight.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Herbicides used in rows with sodded strips in row middles did not decrease growth or yield of peach trees compared with overall mechanical weed control.

Taxon: peach treesPrunus persicae0
Treatment: herbicides were used in rows and 8-ft sodded strips maintained in row middlese1
Outcome: growth or yield of treese1
Direction: did not decreasee1
Comparator: overall mechanical methods of weed controle1

Verbatim

e0
“Herbicides and mechanical methods of weed control were tested on 1 and 2-year-old peach trees (Prunus persica (L.) Batsch) on two soil types and locations”
✓ located verbatim in the source · abstract, characters 0–154

e1
“a cultural system where herbicides were used in rows and 8-ft sodded strips maintained in row middles did not decrease the growth or yield of trees when compared to overall mechanical methods of weed control”
✓ located verbatim in the source · abstract, characters 277–484

Title

Response of Peach Trees to Herbicide and Mechanical Weed Control

Jeff W. Daniell; W. S. Hardcastle Weed Science 1972. doi:10.1017/s0043174500035177

Other claims from this paper (2)

Intervention effect Several herbicide methods gave season-long weed control in peach trees.
Intervention effect Herbicide methods did not reduce growth or yield of peach trees.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Fruit firmness was unaffected by iron deficiency.

Taxon: peachPrunus persicae0
Treatment: Fe-deficiente0
Outcome: fruit firmnesse0
Direction: unaffectede0

Not reportedComparator

Verbatim

e0
“Fruits from Fe-deficient peach trees had a smaller size, resulting in a large decrease in the percentage of commercially acceptable fruits, whereas fruit firmness was unaffected.”
✓ located verbatim in the source · abstract, characters 277–455

Title

Effects of Fe Deficiency Chlorosis on Yield and Fruit Quality in Peach (Prunus persica L. Batsch)

Ana Álvarez-Fernández; Pilar Paniagua; Javier Abadía; et al. Journal of Agricultural and Food Chemistry 2003. doi:10.1021/jf034402c

Other claims from this paper (10)

Intervention effect Iron deficiency decreased fruit fresh weight per tree in both peach cultivars.
Intervention effect Iron deficiency decreased fruit number per tree in both peach cultivars.
Intervention effect Iron-deficient peach fruit was smaller.
Intervention effect Iron deficiency decreased the commercially acceptable fruit percentage.
Intervention effect Iron deficiency decreased Babygold fruit skin redness.
Association The authors associate some iron-deficiency effects with delayed fruit ripening.
Intervention effect Matched iron-deficient fruit had higher concentrations of organic anions, vitamin C and phenolic compounds.
Intervention effect Matched iron-deficient fruit had lower total sugar to organic acid ratios.
Observation The authors suggest iron deficiency may decrease peach eating quality.
Observation The authors suggest iron deficiency may slightly improve peach nutritional value.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Under low water availability, automated irrigation without compromising total yield.

Taxon: nectarinePrunus persica var. nucipersicat0
Treatment: T-A treatment (subjected to MAD = 10% during pre-harvest and 30% during post-harvest)e0
Outcome: total yielde0
Direction: without compromisinge0
Qualifier: low water availability scenarioe0
Comparator: the controle0

Verbatim

e0
“In the low water availability scenario, the T-A treatment (subjected to MAD = 10% during pre-harvest and 30% during post-harvest) received 43% less water than the control, which promoted moderate plant and soil water deficits, leading to a decrease in vegetative growth (winter pruning weight and tree canopy cover), without compromising the total yield and nectarine fruit quality parameters (including an increase in t…” Show full quote
✓ located verbatim in the source · abstract, characters 1569–2021

t0
“nectarine orchard”
✓ located verbatim in the source · title, characters 100–117

Title

Automated soil water content-based irrigation under high and low water availability scenarios for a nectarine orchard

María R. Conesa; Wenceslao Conejero; Juan Vera; et al. 2021. doi:10.5194/egusphere-egu21-11033

Other claims from this paper (11)

Intervention effect Under high water availability, automated and conventional irrigation showed no significant difference in plant-soil water status.
Intervention effect Under high water availability, automated and conventional irrigation showed no significant difference in vegetative growth.
Intervention effect Under high water availability, automated and conventional irrigation showed no significant difference in yield.
Intervention effect Under high water availability, automated and conventional irrigation showed no significant difference in nectarine fruit quality parameters.
Intervention effect Under low water availability, automated irrigation less water by 43%.
Intervention effect Under low water availability, automated irrigation promoted plant and soil water deficits.
Intervention effect Under low water availability, automated irrigation decrease vegetative growth.
Intervention effect Under low water availability, automated irrigation without compromising nectarine fruit quality parameters.
Intervention effect Under low water availability, automated irrigation increase total soluble solid content.
Intervention effect Crop water use efficiency increased by an average of 34%.
Recommendation The authors considered automated MAD-threshold irrigation promising for water-scarce stone fruit orchards.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Under low water availability, automated irrigation without compromising nectarine fruit quality parameters.

Taxon: nectarinePrunus persica var. nucipersicat0
Treatment: T-A treatment (subjected to MAD = 10% during pre-harvest and 30% during post-harvest)e0
Outcome: nectarine fruit quality parameterse0
Direction: without compromisinge0
Qualifier: low water availability scenarioe0
Comparator: the controle0

Verbatim

e0
“In the low water availability scenario, the T-A treatment (subjected to MAD = 10% during pre-harvest and 30% during post-harvest) received 43% less water than the control, which promoted moderate plant and soil water deficits, leading to a decrease in vegetative growth (winter pruning weight and tree canopy cover), without compromising the total yield and nectarine fruit quality parameters (including an increase in t…” Show full quote
✓ located verbatim in the source · abstract, characters 1569–2021

t0
“nectarine orchard”
✓ located verbatim in the source · title, characters 100–117

Title

Automated soil water content-based irrigation under high and low water availability scenarios for a nectarine orchard

María R. Conesa; Wenceslao Conejero; Juan Vera; et al. 2021. doi:10.5194/egusphere-egu21-11033

Other claims from this paper (11)

Intervention effect Under high water availability, automated and conventional irrigation showed no significant difference in plant-soil water status.
Intervention effect Under high water availability, automated and conventional irrigation showed no significant difference in vegetative growth.
Intervention effect Under high water availability, automated and conventional irrigation showed no significant difference in yield.
Intervention effect Under high water availability, automated and conventional irrigation showed no significant difference in nectarine fruit quality parameters.
Intervention effect Under low water availability, automated irrigation less water by 43%.
Intervention effect Under low water availability, automated irrigation promoted plant and soil water deficits.
Intervention effect Under low water availability, automated irrigation decrease vegetative growth.
Intervention effect Under low water availability, automated irrigation without compromising total yield.
Intervention effect Under low water availability, automated irrigation increase total soluble solid content.
Intervention effect Crop water use efficiency increased by an average of 34%.
Recommendation The authors considered automated MAD-threshold irrigation promising for water-scarce stone fruit orchards.

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