Olive Tree Vegetative Growth and Fruit Yield at High Air Temperatures

In the Olive Reference Collection of Portugal, indigenous olive tree (Olea europaea L.) cultivars undergo agronomic evaluation according to the standards of the International Olive Council. Olive trees were planted in 2012 and fifteen cultivars were selected for the analysis of genotype-environment...

وصف كامل

التفاصيل البيبلوغرافية
الحاوية / القاعدة:Journal of Horticultural Research
المؤلفون الرئيسيون: Campos Joedna, Lima Carla, Manuelito Maria C., Pragana José, Ferreira Liliana, Fernandes João, Cordeiro António M., Inês Carla F.
التنسيق: مقال
اللغة:الإنجليزية
منشور في: Sciendo 2025-06-01
الموضوعات:
الوصول للمادة أونلاين:https://doi.org/10.2478/johr-2025-0010
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author Campos Joedna
Lima Carla
Manuelito Maria C.
Pragana José
Ferreira Liliana
Fernandes João
Cordeiro António M.
Inês Carla F.
author_facet Campos Joedna
Lima Carla
Manuelito Maria C.
Pragana José
Ferreira Liliana
Fernandes João
Cordeiro António M.
Inês Carla F.
author_sort Campos Joedna
collection DOAJ
container_title Journal of Horticultural Research
description In the Olive Reference Collection of Portugal, indigenous olive tree (Olea europaea L.) cultivars undergo agronomic evaluation according to the standards of the International Olive Council. Olive trees were planted in 2012 and fifteen cultivars were selected for the analysis of genotype-environment interactions regarding the correlation between annual fruit yield and annual growth of trunk perimeter with the number of days with high maximum temperatures. The cultivars showed heterogeneous development in terms of trunk perimeter, canopy, and fruit yield. Fruit yield and the number of days with maximum temperature above 35 °C were negatively correlated, especially in April–May. In spring 2022, the maximum temperature reached or exceeded 35 °C on 11 days. It was hypothesized that the development of reproductive organs and the processes of flowering or ovarian fertilization were the most affected by the unusually early occur-rence of high maximum temperatures. At the same time, vegetative growth was strongly conditioned by the limiting temperatures of photosynthesis.
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spelling doaj-art-4f7f085d96f048f8bb294c8caa5b214a2025-08-20T02:44:34ZengSciendoJournal of Horticultural Research2353-39782025-06-01331152810.2478/johr-2025-0010Olive Tree Vegetative Growth and Fruit Yield at High Air TemperaturesCampos Joedna0Lima Carla1Manuelito Maria C.2Pragana José3Ferreira Liliana4Fernandes João5Cordeiro António M.6Inês Carla F.7Instituto Nacional de Investigação Agrária e Veterinária, I.P., PortugalUniversidade Federal de Sergipe, BrazilInstituto Nacional de Investigação Agrária e Veterinária, I.P., PortugalInstituto Nacional de Investigação Agrária e Veterinária, I.P., PortugalInstituto Nacional de Investigação Agrária e Veterinária, I.P., PortugalInstituto Nacional de Investigação Agrária e Veterinária, I.P., PortugalInstituto Nacional de Investigação Agrária e Veterinária, I.P., PortugalInstituto Nacional de Investigação Agrária e Veterinária, I.P., PortugalIn the Olive Reference Collection of Portugal, indigenous olive tree (Olea europaea L.) cultivars undergo agronomic evaluation according to the standards of the International Olive Council. Olive trees were planted in 2012 and fifteen cultivars were selected for the analysis of genotype-environment interactions regarding the correlation between annual fruit yield and annual growth of trunk perimeter with the number of days with high maximum temperatures. The cultivars showed heterogeneous development in terms of trunk perimeter, canopy, and fruit yield. Fruit yield and the number of days with maximum temperature above 35 °C were negatively correlated, especially in April–May. In spring 2022, the maximum temperature reached or exceeded 35 °C on 11 days. It was hypothesized that the development of reproductive organs and the processes of flowering or ovarian fertilization were the most affected by the unusually early occur-rence of high maximum temperatures. At the same time, vegetative growth was strongly conditioned by the limiting temperatures of photosynthesis.https://doi.org/10.2478/johr-2025-0010climate changeheat waveolea europaeaflowering
spellingShingle Campos Joedna
Lima Carla
Manuelito Maria C.
Pragana José
Ferreira Liliana
Fernandes João
Cordeiro António M.
Inês Carla F.
Olive Tree Vegetative Growth and Fruit Yield at High Air Temperatures
climate change
heat wave
olea europaea
flowering
title Olive Tree Vegetative Growth and Fruit Yield at High Air Temperatures
title_full Olive Tree Vegetative Growth and Fruit Yield at High Air Temperatures
title_fullStr Olive Tree Vegetative Growth and Fruit Yield at High Air Temperatures
title_full_unstemmed Olive Tree Vegetative Growth and Fruit Yield at High Air Temperatures
title_short Olive Tree Vegetative Growth and Fruit Yield at High Air Temperatures
title_sort olive tree vegetative growth and fruit yield at high air temperatures
topic climate change
heat wave
olea europaea
flowering
url https://doi.org/10.2478/johr-2025-0010
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