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KLIMEŠOVÁ, J. -- HOLKOVÁ, L. -- STŘEDA, T. Drought stress response in maize: molecular, morphological and physiological analysis of tolerant and sensitive genotypes. Maydica. 2020. v. 65, no. 1, ISSN 0025-6153.

Original name:
Drought stress response in maize: molecular, morphological and physiological analysis of tolerant and sensitive genotypes
Czech name:
Written by (author):
Department:
Department of Crop Science, Breeding and Plant Medicine
Kind of publication:
article in a professional periodical
Periodical:
Maydica
Nature of article:
paper
Volume no. (year):
65
Periodical number within the volume:
1
Year of publication: 2020
Starting page:
Up to page:
Number of pages:
9
Sub-specification:
článek je obsažen v databázi Web of Science
UT code by Web of Science:
EID code by Scopus:
Form of publication: printed version
Original language:
English
Description in original language:
The aim of this work was to develop a physiological method based on transpiration in combination with molecular methods, i.e., dehydrin gene expression analysis, for identifying the reactions of maize (Zea mays L.) plants that display different levels of tolerance to drought stress during the generative growth stage. Drought stress was induced in two genotypes, 2087 and 2637, by four irrigation treatments. The rate of transpiration and the ex-pression of the dehydrin genes ZmDHN1 and ZmDHN2 were dependent on genotype and duration and intensity of stress. The yield components were affected by the level of dehydrin gene expression and transpiration rate. Compared with genotype 2637, genotype 2087 a) maintained higher transpiration intensity, even under strong drought stress conditions, b) exhibited an earlier onset and a higher level of expression both at a lower stress intensity and during the initial phases of the stress reaction, c) showed higher values of yield components, and d) was characterized by a lower water-use efficiency of cob yield. Drought tolerance is of increasing importance and is one of the breeding targets in maize. However, traditional breeding methods have numerous limitations. The simultaneous use of new molecular genetic techniques and physiological methods could therefore help to elucidate the genetic and physiological basis of plant responses to drought stress and provide more accurate evaluation for screening parental breeding material.
Description in English:
Description in Czech:
Year of submission:
2020
Year of transmission:
RIV identification number:
 
Entry made by: Mgr. Kamila Zoufalá
Last change:
05/13/2020 14:25 (Šárka Novotná)

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Source specification:

Maydica. Bergamo: ISSN 0025-6153.

Original name:
Maydica
Czech name:
Written by (author):
Kind of publication:
magazine
ISSN:
0025-6153
Country of publisher:
Italian Republic
Place of publishing:
Bergamo
Publisher:
Istituto sperimentale per la cerealicoltura
URL:
https://journals-crea.4science.it/index.php/maydica/index
Reviewed magazine:
no
Original language:
English
Description in original language:
Description in English:
Description in Czech:
 
Entry made by:
Mgr. Kamila Zoufalá
Last change:
05/13/2020 14:25 (Šárka Novotná)

Evaluation of publication:

1
2
345
        
1
23
4
5
bad
 
good
        
uninteresting
 
interesting
Assessed: 0
Average score: -
        Assessed: 0Average score: -
1
2
3
4
5
        
1
2
3
4
5
amateur
 
professional        
theoretical
 
practical
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