Similar yield benefits of hybrid, conventional, and organic tomato and sweet pepper varieties under well-watered and drought-stressed conditions

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Similar yield benefits of hybrid, conventional, and organic tomato and sweet pepper varieties under well-watered and drought-stressed conditions. / Ficiciyan, Anoush Miriam; Loos, Jacqueline; Tscharntke, Teja.
in: Frontiers in Sustainable Food Systems, Jahrgang 5, 628537, 19.02.2021.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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@article{aa38be33e47f4cb484af2737d140689b,
title = "Similar yield benefits of hybrid, conventional, and organic tomato and sweet pepper varieties under well-watered and drought-stressed conditions",
abstract = "Global agrobiodiversity is threatened by the replacement of traditional, locally adapted crop varieties with high-yielding and hybrid varieties during the past 60 years, resulting in associated losses of crop, variety, and allele diversity. Locally adapted, traditional varieties are known to perform equal or even better under environmental stress conditions and to be more resilient in unstable cultivation environments. Therefore, European organic vegetable breeding organizations conserve local, traditional varieties and breed new varieties in low-input organic environments, aiming to increase the range of varieties for sustainable cultivation under sub-optimal growing conditions. However, performance of organic vegetable varieties, in comparison to conventional high-yielding and hybrid varieties, under different environmental conditions has not been intensively researched. To contribute to this scientific field, we compared the agronomic and quality performance between hybrid, conventional, and organic tomato and sweet pepper varieties, two economically important species on the EU market under a) well-watered and b) drought stress conditions, using five different varieties (i.e., 30 varieties) as replicates in each of the six groups. Performance of both species was negatively affected by drought, regardless of the breeding background. Equally, for tomato and sweet pepper, hybrids produced higher amounts of individual fruits, however total yield in kg was comparable for hybrid, conventional and organic plants. Considering the agro-ecological importance of enlarging and securing variety diversity in light of changing environmental conditions, we show that the assumed benefits of the hybrids can also be delivered by the organic and conventional varieties. These varieties should be considered as an important source of genetic resources, supporting farmers to adapt to their local climate and environmental conditions in the future.",
keywords = "Ecosystems Research, agrobiodiversity, Drought stress, genetic diversity, Seed commons, Sustainable vegetable production, variety comparison, Vegetable breeding, agrobiodiversity, drought stress, genetic diversity, seed commons, sustainable vegetable production, variety comparison, Vegetable breeding",
author = "Ficiciyan, {Anoush Miriam} and Jacqueline Loos and Teja Tscharntke",
note = "Publisher Copyright: {\textcopyright} Copyright {\textcopyright} 2021 Ficiciyan, Loos and Tscharntke.",
year = "2021",
month = feb,
day = "19",
doi = "10.3389/fsufs.2021.628537",
language = "English",
volume = "5",
journal = "Frontiers in Sustainable Food Systems",
issn = "2571-581X",
publisher = "Frontiers Media SA",

}

RIS

TY - JOUR

T1 - Similar yield benefits of hybrid, conventional, and organic tomato and sweet pepper varieties under well-watered and drought-stressed conditions

AU - Ficiciyan, Anoush Miriam

AU - Loos, Jacqueline

AU - Tscharntke, Teja

N1 - Publisher Copyright: © Copyright © 2021 Ficiciyan, Loos and Tscharntke.

PY - 2021/2/19

Y1 - 2021/2/19

N2 - Global agrobiodiversity is threatened by the replacement of traditional, locally adapted crop varieties with high-yielding and hybrid varieties during the past 60 years, resulting in associated losses of crop, variety, and allele diversity. Locally adapted, traditional varieties are known to perform equal or even better under environmental stress conditions and to be more resilient in unstable cultivation environments. Therefore, European organic vegetable breeding organizations conserve local, traditional varieties and breed new varieties in low-input organic environments, aiming to increase the range of varieties for sustainable cultivation under sub-optimal growing conditions. However, performance of organic vegetable varieties, in comparison to conventional high-yielding and hybrid varieties, under different environmental conditions has not been intensively researched. To contribute to this scientific field, we compared the agronomic and quality performance between hybrid, conventional, and organic tomato and sweet pepper varieties, two economically important species on the EU market under a) well-watered and b) drought stress conditions, using five different varieties (i.e., 30 varieties) as replicates in each of the six groups. Performance of both species was negatively affected by drought, regardless of the breeding background. Equally, for tomato and sweet pepper, hybrids produced higher amounts of individual fruits, however total yield in kg was comparable for hybrid, conventional and organic plants. Considering the agro-ecological importance of enlarging and securing variety diversity in light of changing environmental conditions, we show that the assumed benefits of the hybrids can also be delivered by the organic and conventional varieties. These varieties should be considered as an important source of genetic resources, supporting farmers to adapt to their local climate and environmental conditions in the future.

AB - Global agrobiodiversity is threatened by the replacement of traditional, locally adapted crop varieties with high-yielding and hybrid varieties during the past 60 years, resulting in associated losses of crop, variety, and allele diversity. Locally adapted, traditional varieties are known to perform equal or even better under environmental stress conditions and to be more resilient in unstable cultivation environments. Therefore, European organic vegetable breeding organizations conserve local, traditional varieties and breed new varieties in low-input organic environments, aiming to increase the range of varieties for sustainable cultivation under sub-optimal growing conditions. However, performance of organic vegetable varieties, in comparison to conventional high-yielding and hybrid varieties, under different environmental conditions has not been intensively researched. To contribute to this scientific field, we compared the agronomic and quality performance between hybrid, conventional, and organic tomato and sweet pepper varieties, two economically important species on the EU market under a) well-watered and b) drought stress conditions, using five different varieties (i.e., 30 varieties) as replicates in each of the six groups. Performance of both species was negatively affected by drought, regardless of the breeding background. Equally, for tomato and sweet pepper, hybrids produced higher amounts of individual fruits, however total yield in kg was comparable for hybrid, conventional and organic plants. Considering the agro-ecological importance of enlarging and securing variety diversity in light of changing environmental conditions, we show that the assumed benefits of the hybrids can also be delivered by the organic and conventional varieties. These varieties should be considered as an important source of genetic resources, supporting farmers to adapt to their local climate and environmental conditions in the future.

KW - Ecosystems Research

KW - agrobiodiversity

KW - Drought stress

KW - genetic diversity

KW - Seed commons

KW - Sustainable vegetable production

KW - variety comparison

KW - Vegetable breeding

KW - agrobiodiversity

KW - drought stress

KW - genetic diversity

KW - seed commons

KW - sustainable vegetable production

KW - variety comparison

KW - Vegetable breeding

UR - http://www.scopus.com/inward/record.url?scp=85102303471&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/a7f4940b-9718-3901-9acf-34922d5e4aef/

U2 - 10.3389/fsufs.2021.628537

DO - 10.3389/fsufs.2021.628537

M3 - Journal articles

VL - 5

JO - Frontiers in Sustainable Food Systems

JF - Frontiers in Sustainable Food Systems

SN - 2571-581X

M1 - 628537

ER -

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