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Traits related to drought tolerance in tomato accessions of different growth type and fruit size

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2017
193.pdf (1015.Kb)
Authors
Brdar-Jokanović, Milka
Girek, Zdenka
Pavlović, Suzana
Ugrinović, Milan
Zdravković, Jasmina
Article (Published version)
Metadata
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Abstract
This study was undertaken to investigate the possibilities for breeding drought tolerant tomatoes of different growth type and fruit size. The effects of drought were analyzed and the relationships among the observed traits at optimal irrigation and drought were interpreted using biplot analysis. Greenhouse pot experiment included 40 tomato accessions grown under optimal irrigation and drought (volumetric soil water content 35.0% and 20.9%), designed in complete randomized blocks. Observations were made at the intensive vegetative growth phase. The selection criterion for drought tolerance was plant dry weight. The accessions differed in: the whole plant, shoot and root dry weight, root proportion in plant dry weight (RP), plant height, number of leaves below the first flower branches (NL), number of lateral branches, and the first and second order lateral branches length. Drought resulted in significant decline, with the exceptions of the increased RP and NL. Determinate and indetermi...nate tomatoes were not significantly different in drought tolerance, implying that both types may be bred for tolerance to the stress; however, the accessions of larger fruit size had comparatively higher water requirements. Results of the biplot analysis indicated that drought tolerance in tomato does not necessarily have to be associated with robust root system and therefore the indirect selection strategy may rely on shoot traits.

Keywords:
Biplot / drought / Lycopersicon esculentum / vegetative growth
Source:
Journal of Animal and Plant Sciences, 2017, 27, 3, 869-876
Publisher:
  • Pakistan Agricultural Scientists Forum
Funding / projects:
  • Biotechnological approaches for overcoming effects of drought on agricultural production in Serbia (RS-31005)
  • Integrating biotechnology approach in breeding vegetable crops for sustainable agricultural systems (RS-31059)

ISSN: 1018-7081

WoS: 000406235300023

Scopus: 2-s2.0-85021359334
[ Google Scholar ]
1
1
Handle
https://hdl.handle.net/21.15107/rcub_rivec_196
URI
http://RIVeC.institut-palanka.rs/handle/123456789/196
Collections
  • Radovi sa afilijacijom Instituta za povrtarstvo / Papers with the Institute for Vegetable Crops affiliation
Institution/Community
Institut za povrtarstvo
TY  - JOUR
AU  - Brdar-Jokanović, Milka
AU  - Girek, Zdenka
AU  - Pavlović, Suzana
AU  - Ugrinović, Milan
AU  - Zdravković, Jasmina
PY  - 2017
UR  - http://RIVeC.institut-palanka.rs/handle/123456789/196
AB  - This study was undertaken to investigate the possibilities for breeding drought tolerant tomatoes of different growth type and fruit size. The effects of drought were analyzed and the relationships among the observed traits at optimal irrigation and drought were interpreted using biplot analysis. Greenhouse pot experiment included 40 tomato accessions grown under optimal irrigation and drought (volumetric soil water content 35.0% and 20.9%), designed in complete randomized blocks. Observations were made at the intensive vegetative growth phase. The selection criterion for drought tolerance was plant dry weight. The accessions differed in: the whole plant, shoot and root dry weight, root proportion in plant dry weight (RP), plant height, number of leaves below the first flower branches (NL), number of lateral branches, and the first and second order lateral branches length. Drought resulted in significant decline, with the exceptions of the increased RP and NL. Determinate and indeterminate tomatoes were not significantly different in drought tolerance, implying that both types may be bred for tolerance to the stress; however, the accessions of larger fruit size had comparatively higher water requirements. Results of the biplot analysis indicated that drought tolerance in tomato does not necessarily have to be associated with robust root system and therefore the indirect selection strategy may rely on shoot traits.
PB  - Pakistan Agricultural Scientists Forum
T2  - Journal of Animal and Plant Sciences
T1  - Traits related to drought tolerance in tomato accessions of different growth type and fruit size
EP  - 876
IS  - 3
SP  - 869
VL  - 27
UR  - conv_231
ER  - 
@article{
author = "Brdar-Jokanović, Milka and Girek, Zdenka and Pavlović, Suzana and Ugrinović, Milan and Zdravković, Jasmina",
year = "2017",
abstract = "This study was undertaken to investigate the possibilities for breeding drought tolerant tomatoes of different growth type and fruit size. The effects of drought were analyzed and the relationships among the observed traits at optimal irrigation and drought were interpreted using biplot analysis. Greenhouse pot experiment included 40 tomato accessions grown under optimal irrigation and drought (volumetric soil water content 35.0% and 20.9%), designed in complete randomized blocks. Observations were made at the intensive vegetative growth phase. The selection criterion for drought tolerance was plant dry weight. The accessions differed in: the whole plant, shoot and root dry weight, root proportion in plant dry weight (RP), plant height, number of leaves below the first flower branches (NL), number of lateral branches, and the first and second order lateral branches length. Drought resulted in significant decline, with the exceptions of the increased RP and NL. Determinate and indeterminate tomatoes were not significantly different in drought tolerance, implying that both types may be bred for tolerance to the stress; however, the accessions of larger fruit size had comparatively higher water requirements. Results of the biplot analysis indicated that drought tolerance in tomato does not necessarily have to be associated with robust root system and therefore the indirect selection strategy may rely on shoot traits.",
publisher = "Pakistan Agricultural Scientists Forum",
journal = "Journal of Animal and Plant Sciences",
title = "Traits related to drought tolerance in tomato accessions of different growth type and fruit size",
pages = "876-869",
number = "3",
volume = "27",
url = "conv_231"
}
Brdar-Jokanović, M., Girek, Z., Pavlović, S., Ugrinović, M.,& Zdravković, J.. (2017). Traits related to drought tolerance in tomato accessions of different growth type and fruit size. in Journal of Animal and Plant Sciences
Pakistan Agricultural Scientists Forum., 27(3), 869-876.
conv_231
Brdar-Jokanović M, Girek Z, Pavlović S, Ugrinović M, Zdravković J. Traits related to drought tolerance in tomato accessions of different growth type and fruit size. in Journal of Animal and Plant Sciences. 2017;27(3):869-876.
conv_231 .
Brdar-Jokanović, Milka, Girek, Zdenka, Pavlović, Suzana, Ugrinović, Milan, Zdravković, Jasmina, "Traits related to drought tolerance in tomato accessions of different growth type and fruit size" in Journal of Animal and Plant Sciences, 27, no. 3 (2017):869-876,
conv_231 .

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