Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

More severe pruning decreased fruit yield.

Taxon: guavaPsidium guajavat0
Treatment: severity of pruninge0
Outcome: fruit yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“severity of pruning results in decrease of tree height, tree spread and tree canopy volume and fruit yield”
✓ located verbatim in the source · abstract, characters 149–255

t0
“guava”
✓ located verbatim in the source · title, characters 21–26

Title

Effect of pruning in guava planted at different spacings under Punjab conditions

Y. Prasanna Kumar; H. S. Rattanpal Indian Journal of Horticulture 2010

Other claims from this paper (6)

Intervention effect More severe pruning decreased tree height, spread and canopy volume.
Observation Rainy season fruit yield was highest in unpruned trees at 6x5 m.
Intervention effect Winter season yield per tree was maximum after removing one third vegetative growth at 6x5m.
Intervention effect Half removal of vegetative growth at 6x4m maximized combined seasonal total fruit yield and yield per hectare.
Intervention effect Half removal at 6x4m produced the best fruit quality by weight, palatability and soluble solids.
Intervention effect Half removal at 6x4m gave best quality with high total sugars and vitamin C and low acidity.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Yield force and yield stress declined as guava fruit matured.

Taxon: guavaPsidium guajavat0
Organ / stage: stage of fruit maturitye0
Outcome: yield force and yield stresse0
Direction: decreasee0

Verbatim

e0
“At any fruit position and as the stage of fruit maturity increases from start to near the final stage, a gradual decrease in the yield force and yield stress was obtained, while, the damaged area and deformation increased.”
✓ located verbatim in the source · abstract, characters 944–1166

t0
“guava”
✓ located after whitespace/quote normalisation · title, characters 30–35

Title

Effect of Mechanical Loads on Guava Quality at Handling

Magda Mosa Journal of Soil Sciences and Agricultural Engineering /Journal of Soil Sciences and Agricultural Engineering 2019. doi:10.21608/jssae.2019.36743

Other claims from this paper (4)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Foliar mineral concentrations in guava tended to decrease with the phase of fruiting.

Taxon: GuavaPsidium guajavat0
Treatment: phase of fruitinge1
Outcome: foliar concentrations of mineralse1
Direction: decreasee1
Setting: Mara county, Zulia state, Venezuelae0

Verbatim

t0
“Guava (Psidium guajava L.)”
✓ located verbatim in the source · title, characters 55–81

e0
“experimental field study in Mara county, Zulia state, Venezuela”
✓ located verbatim in the source · abstract, characters 107–170

e1
“foliar concentrations of minerals tended to decrease with the phase of fruiting”
✓ located verbatim in the source · abstract, characters 642–721

Title

Variation in foliar concentration of some nutrients in Guava (Psidium guajava L.) and its relationship with Crop Yield

Esmeralda Rendiles; C. de Castro 2004

Other claims from this paper (2)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Fruiting density of guava decreased as spacing increased.

Taxon: guavaPsidium guajavat0
Treatment: As the spacings increasede3
Outcome: fruiting densitye3
Direction: decreasee3

Not reportedComparator

Verbatim

t0
“Guava (Psidium Guajava L.)”
✓ located verbatim in the source · title, characters 79–105

e3
“As the spacings increased, the corresponding decrease in fruiting density was observed”
✓ located verbatim in the source · abstract, characters 491–577

Title

Effect of Planting Density on Tree Growth, Fruit Yield and Quality of ‘Sardar’ Guava (Psidium Guajava L.)

Jaswinder Singh; J. S. Bal Journal of research 2002

Other claims from this paper (13)

Intervention effect Stock girth, scion girth and tree height of guava were maximum at medium spacing (6x5m).
Intervention effect North-South tree spread and tree canopy of guava were maximum at medium spacing (6x5m).
Intervention effect East-West tree spread of guava was maximum at wider spacing (6x6m).
Intervention effect Number of fruits, yield per tree and yield efficiency of guava were maximum at closer spacing, above medium spacing.
Intervention effect Fruit size, fruit weight and pulp weight of guava were maximum at wider spacing.
Intervention effect Pulp thickness of guava was maximum at wider spacing.
Intervention effect Fruits of guava from closer spacing showed a greenish appearance.
Intervention effect Colour development of guava fruit was better at wider spacing.
Intervention effect Palatability rating of guava fruit was maximum from widely spaced trees.
Intervention effect Number of seeds per guava fruit was least at 6x6m spacing.
Intervention effect Total soluble solids, acidity and total sugars content of guava fruit were maximum in widely spaced trees.
Intervention effect Leaf macronutrients (nitrogen, phosphorus and potassium) of guava were not significantly influenced by planting density.
Recommendation Medium spacing (6x5m) is recommended for guava on the basis of tree vigour, fruit yield and quality.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

More severe pruning decreased tree height, spread and canopy volume.

Taxon: guavaPsidium guajavat0
Treatment: severity of pruninge0
Outcome: tree height, tree spread and tree canopy volumee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“severity of pruning results in decrease of tree height, tree spread and tree canopy volume and fruit yield”
✓ located verbatim in the source · abstract, characters 149–255

t0
“guava”
✓ located verbatim in the source · title, characters 21–26

Title

Effect of pruning in guava planted at different spacings under Punjab conditions

Y. Prasanna Kumar; H. S. Rattanpal Indian Journal of Horticulture 2010

Other claims from this paper (6)

Intervention effect More severe pruning decreased fruit yield.
Observation Rainy season fruit yield was highest in unpruned trees at 6x5 m.
Intervention effect Winter season yield per tree was maximum after removing one third vegetative growth at 6x5m.
Intervention effect Half removal of vegetative growth at 6x4m maximized combined seasonal total fruit yield and yield per hectare.
Intervention effect Half removal at 6x4m produced the best fruit quality by weight, palatability and soluble solids.
Intervention effect Half removal at 6x4m gave best quality with high total sugars and vitamin C and low acidity.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Summer-harvested control fruits of guava had decreased quality.

Taxon: guavaPsidium guajavae1
Treatment: fruits harvested in early dates in summere2
Outcome: qualitye2
Direction: decreasee2

Verbatim

e1
“common seedy guava trees grown in a private orchard”
✓ located verbatim in the source · abstract, characters 72–123

e2
“Concerning control fruits (summer yield) the data indicated significant increase in yield, but a decrease in their quality and an increase in fruit weight loss and decay, due to fruits harvested in early dates in summer”
✓ located verbatim in the source · abstract, characters 1346–1565

Title

EFFECT OF SOME CHEMICAL TREATMENTS AND HAND DEFOLIATION ON WINTER PRODUCTION AS YIELD, FRUIT QUALITY AND STORAGE LIFE OF GUAVA

El. El-Baz; M. El-Shobaky; A. Loay; et al. Journal of Plant Production 2011. doi:10.21608/jpp.2011.85581

Other claims from this paper (13)

Intervention effect Urea 10% significantly increased the yield of the winter guava crop compared with other treatments.
Intervention effect ZnSO4 2% + NH4NO3 4% significantly improved fruit quality of guava compared with other treatments.
Intervention effect All tested treatments significantly increased fruit weight, firmness and total sugars of guava compared with control in both seasons.
Intervention effect All tested treatments significantly increased vitamin C, acidity and SSC of guava compared with control.
Intervention effect All tested treatments significantly increased the SSC/acid ratio of guava compared with control.
Intervention effect ZnSO4 2% + NH4NO3 4% significantly increased fruit quality of guava held at room temperature.
Intervention effect ZnSO4 2% + NH4NO3 4% gave the lowest weight loss of guava fruit after 9 days of room storage.
Association Summer-harvested control fruits of guava had significantly higher yield.
Association Summer-harvested control fruits of guava had increased fruit weight loss and decay.
Observation Decay of summer-harvested guava control fruits reached 100% after 3 days.
Mechanism Decay of guava fruit is attributed by the authors to increased summer temperature.
Observation The winter guava crop was of good quality.
Observation The high price of the winter guava crop largely offset its yield reduction.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Relative leaf water content increased as irrigation decreased.

Taxon: guavaPsidium guajavat0
Treatment: decrease in the irrigation regimee0
Outcome: relative leaf water content (RLWC)e0
Direction: increasing trende0

Not reportedComparator

Verbatim

t0
“guava (Psidium guajava L.)”
✓ located verbatim in the source · title, characters 68–94

e0
“both the relative leaf water content (RLWC) and the proline content exhibited an increasing trend with a decrease in the irrigation regime”
✓ located verbatim in the source · abstract, characters 669–807

Title

Deficit irrigation scheduling with mulching and yield prediction of guava (Psidium guajava L.) in a subtropical humid region

Rajkumar Jat; V. P. Singh; Salwan Ali Abed; et al. Frontiers in Environmental Science 2022. doi:10.3389/fenvs.2022.1044886

Other claims from this paper (10)

Intervention effect Proline content increased 123% under DI 50 compared with FI 100.
Intervention effect Fully irrigated guava plants had greater growth.
Intervention effect Silver-black mulch produced greater plant growth.
Intervention effect FI 100 produced significantly higher leaf nutrient concentrations.
Intervention effect M OM produced significantly higher leaf nutrient concentrations.
Intervention effect DI 75 with M SB produced more fruits per plant, higher fruit weights, and higher fruit yields.
Intervention effect DI 75 with M SB produced maximum ascorbic acid content.
Intervention effect DI 50 improved irrigation water productivity by 33.79% compared with FI 100.
Method / resource Regression analysis outperformed principal component regression for fruit yield prediction.
Association Leaf proline, leaf Cu, fruit weight, and IWP were the most important predictors of guava fruit yield.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zinc sulphate at 0.6 per cent maximally decreased fruit acidity.

Taxon: guavaPsidium guajavae2
Material: Allahabad Safedae2
Treatment: foliar application of zinc sulphate 0.6 per cente1
Outcome: acidity content of fruite0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“decrease in acidity content of fruit was also maximum under this treatment”
✓ located verbatim in the source · abstract, characters 420–494

e1
“foliar application of zinc sulphate 0.6 per cent”
✓ located verbatim in the source · abstract, characters 311–359

e2
“guava cultivar Allahabad Safeda”
✓ located verbatim in the source · abstract, characters 203–234

Title

Effect of foliar feeding of potassium, calcium and zinc on yield and quality of guava

R. K. Sharma; R. Nagarjuna Kumar; Shivani Thakur Indian Journal of Horticulture 1991

Other claims from this paper (2)

Intervention effect Zinc sulphate at 0.6 per cent gave maximum fruit set, retention and yield.
Intervention effect Zinc sulphate at 0.6 per cent maximally increased total soluble solids and vitamin C.

Associationobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Summer-harvested control fruits of guava had significantly higher yield.

Taxon: guavaPsidium guajavae1
Treatment: fruits harvested in early dates in summere2
Outcome: yielde2
Direction: increasee2

Verbatim

e1
“common seedy guava trees grown in a private orchard”
✓ located verbatim in the source · abstract, characters 72–123

e2
“Concerning control fruits (summer yield) the data indicated significant increase in yield, but a decrease in their quality and an increase in fruit weight loss and decay, due to fruits harvested in early dates in summer”
✓ located verbatim in the source · abstract, characters 1346–1565

Title

EFFECT OF SOME CHEMICAL TREATMENTS AND HAND DEFOLIATION ON WINTER PRODUCTION AS YIELD, FRUIT QUALITY AND STORAGE LIFE OF GUAVA

El. El-Baz; M. El-Shobaky; A. Loay; et al. Journal of Plant Production 2011. doi:10.21608/jpp.2011.85581

Other claims from this paper (13)

Intervention effect Urea 10% significantly increased the yield of the winter guava crop compared with other treatments.
Intervention effect ZnSO4 2% + NH4NO3 4% significantly improved fruit quality of guava compared with other treatments.
Intervention effect All tested treatments significantly increased fruit weight, firmness and total sugars of guava compared with control in both seasons.
Intervention effect All tested treatments significantly increased vitamin C, acidity and SSC of guava compared with control.
Intervention effect All tested treatments significantly increased the SSC/acid ratio of guava compared with control.
Intervention effect ZnSO4 2% + NH4NO3 4% significantly increased fruit quality of guava held at room temperature.
Intervention effect ZnSO4 2% + NH4NO3 4% gave the lowest weight loss of guava fruit after 9 days of room storage.
Association Summer-harvested control fruits of guava had decreased quality.
Association Summer-harvested control fruits of guava had increased fruit weight loss and decay.
Observation Decay of summer-harvested guava control fruits reached 100% after 3 days.
Mechanism Decay of guava fruit is attributed by the authors to increased summer temperature.
Observation The winter guava crop was of good quality.
Observation The high price of the winter guava crop largely offset its yield reduction.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Damaged area and deformation increased as guava fruit matured.

Taxon: guavaPsidium guajavat0
Organ / stage: stage of fruit maturitye0
Outcome: damaged area and deformatione0
Direction: increasede0

Verbatim

e0
“At any fruit position and as the stage of fruit maturity increases from start to near the final stage, a gradual decrease in the yield force and yield stress was obtained, while, the damaged area and deformation increased.”
✓ located verbatim in the source · abstract, characters 944–1166

t0
“guava”
✓ located after whitespace/quote normalisation · title, characters 30–35

Title

Effect of Mechanical Loads on Guava Quality at Handling

Magda Mosa Journal of Soil Sciences and Agricultural Engineering /Journal of Soil Sciences and Agricultural Engineering 2019. doi:10.21608/jssae.2019.36743

Other claims from this paper (4)

“yield decrease”

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