application · Nutrient: content · Pyrus communis (pear)

Cork spot of anjou pear: Control by calcium sprays · 1979

• positive
  Fruit calcium sprays increased fruit calcium concentrations by 15–30%.

cited by 1 paper here

Cuticular Retention in Vitro and Localization of Zn after a Foliar Application of Zinc-containing Fungicides1 · 1982

• positive
  Pear cuticles retained zinc significantly after immersion in each fungicide.

Mineral analysis and performance of chlorotic pear trees sprayed or injected with iron · 1984

• positive
  Foliar iron sprays increased iron levels in Anjou leaves for the year of application only.

Movement of Boron Out of Tree Fruit Leaves · 1991

• positive
  Foliar B sprays increased leaf B content in pear after three days.

cited by 2 papers here

Management of Nitrogen and Calcium in Pear Trees for Enhancement of Fruit Resistance to Postharvest Decay · 1992

• positive
  Calcium chloride sprays increased fruit Ca content.

cites 1 paper here

Calcium Sprays and Timing Affect Fruit Calcium Concentrations, Yield, Fruit Weight, and Cork Spot of `Anjou' Pears · 1995

• positive
  Calcium sprays increased fruit calcium concentration in Anjou pears.

cites 1 paper herecited by 1 paper here

Calcium nutrition affects cold hardiness, yield, and fruit disorders of apple and pear trees¹ · 1996

• positive
  Calcium chloride sprays increased calcium concentrations in apple and pear leaves and fruit.

Effect of foliar- and soil-applied boron in deciduous fruit orchards 1: apple and pear · 2002

• positive
  Four early-season boron sprays most consistently increased apple and pear leaf and fruit B levels compared with controls

  compared with controls

• no effect
  Apple and pear leaf and fruit B levels did not increase with a higher boron content of the autumn spray
• no effect
  Apple and pear leaf and fruit B levels were not affected by one spring boron spray compared with controls

  compared with controls

Studies of trunk injection fertilizing in pear trees · 2002

• positive
  The two trunk injection practices balanced leaf nutrient elements.

EFFECT OF THE ORGANIC FERTILIZER “ACTOSOL®" AND "EM" BIOSTIMULANT ON VEGETATIVE GROWTH AND LEAF CHEMICAL COMPOSITION OF YOUNG PEAR AND APRICOT TREES GROWN IN CALCAREOUS SOILS · 2006

• positive
  Combined Actosol application increased N, P, K, Ca, Fe, Mn and Zn in pear leaves.

Effect of aromatic plant-derived nutrient solution on the growth,fruit quality and disease prevention of pear trees · 2011

• positive
  Foliar application of the solutions and Nanguochun promoted leaf absorption of mineral nutrients in pear trees.

QUALITY AND ‘CONFERENCE’ PEAR STORABILITY AS INFLUENCED BY PREHARVEST SPRAYS OF CALCIUM CHLORIDE · 2012

• positive
  Only six calcium chloride sprays enhanced pear calcium level.

cites 1 paper here

Method of Making Pear Fruit-Derived Nutrient Solution and Its Effect on Photosynthetic Characteristics and Fruit Quality · 2012

• positive
  Nutrient solution spray significantly increased leaf Ca, Fe and Mn content.

Preliminary Study on the Action of the Mineral Element Fe in Fruit Calyx Development of‘Dangshan Suli’Pear · 2012

• positive
  GA3 spraying increased calyx persistence and Fe content.

Effects of spraying different calcium fertilizers on the incidence of blossom-end rot of ‘Korla Fragrant’ pear · 2013

• positive
  Four calcium sprays significantly increased fruit calcium content.
• no effect
  Calcium sprays hardly influenced magnesium and boron content.

Yield and Fruit Quality of "Le-conte" Pear Trees as Affected by Compost Tea and Some Antioxidants Applications · 2014

• positive
  Foliar compost raised pear leaf N, P and K contents relative to soil compost and control.

  compared with soil compost application and control ones

Effects of Applications of Boron with Iron and Zinc on the Contents of Pear Trees · 2016

• positive
  Foliar double and triple combinations of FeSO4 and ZnSO4 with borax significantly increased Fe and Zn concentrations in pear leaves.
• positive
  Soil and foliar applications of borax increased boron concentrations in pear leaves and fruit.

cites 1 paper herecited by 1 paper here

Effects of Applications of Boron with Iron and Zinc on the Contents of Pear Trees · 2016

• positive
  Foliar borax application increased leaf and fruit boron concentrations.

cites 1 paper herecited by 1 paper here

Effect of single and combined applications of zinc with iron and boron on the contents of “Deveci” pear trees · 2018

• positive
  Foliar Zn alone and combined Zn + Fe, Zn + B and Zn + Fe + B applications significantly increased Zn, Fe and B concentrations, respectively, in the pear trees.
• positive
  Every foliar Zn application considerably elevated Zn contents of pear leaves.

Response of Pear (Le Conte cv.) Trees Grown in Calcareous Soil to Trunk Injection and Foliar Application of some Micronutrients · 2018

• positive
  Trunk injection and foliar treatments increased leaf mineral contents relative to soil application.

  compared with soil application

Influence of prohexadione-calcium and paclobutrazol on growth, yield and mineral content of pear cv. Clapp’s favourite · 2020

• positive
  Two prohexadione-calcium sprays at 200 ppm significantly increased pear leaf potassium to 98.40 mg.
• positive
  Two prohexadione-calcium sprays at 300 ppm gave the highest leaf calcium, 574.00 mg.
• positive
  Two prohexadione-calcium sprays at 300 ppm gave the highest fruit calcium, 71.24 mg.
• positive
  Two prohexadione-calcium sprays at 200 ppm significantly increased pear fruit potassium to 22.78 mg.

Post-harvest foliar-applied Fe(II)-sulfate promotes Fe nutrition of pear trees grown in calcareous soil · 2020

• positive
  Fe(II)-sulfate spray increased Fe concentration in flower buds and fruiting spur leaves of pear trees.

  compared with water-sprayed control trees

Monitoring a Calcium Biofortification Workflow in an Orchard of Pyrus communis var. Rocha Applying Precision Agriculture Technology · 2021

• positive
  Calcium content increased significantly in pear leaves after spraying.

FOLIARLY APPLIED OSMOTIC PRESERVATIVE CONTRIBUTES TO PEAR (PYRUS COMMINUS) LEAF AND ROOT NUTRITIONAL STATUS UNDER DROUGHT STRESS · 2021

• positive
  Foliar GB may increase nutrient concentrations under drought in pear.

cited by 1 paper here

Supplementary Applications of Phosphorus to Improve Yield and Fruit Quality of 'LeConte' Pear Trees under Calcareous Soil Conditions · 2021

• positive
  MAP foliar spray raised leaf P status to an adequate level above 0.3%.

Vegetative Growth and Nutritional Status of Pear as Influenced by Putrescine, Glycine Betaine and Some Micronutrients · 2023

• positive
  Sprayed treatments enhanced iron, zinc, manganese, and boron in pear leaves.
• positive
  Sprayed treatments enhanced leaf mineral contents of nitrogen, phosphorus, and potassium in pear leaves.

cites 3 papers here

Pear performance as affected by the application of some nano fertilizers in combination with biochar as a biostimulant under drought conditions · 2024

• positive
  Nano fertilizer spraying improved leaf mineral content.
• positive
  Combined treatments improved leaf mineral content.