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Response of pumpkin to different concentrations and forms of selenium and iodine, and their combinations
Golob, Aleksandra (Author), Kroflič, Ana (Author), Jerše, Ana (Author), Kacjan-Maršić, Nina (Author), Šircelj, Helena (Author), Stibilj, Vekoslava (Author), Germ, Mateja (Author)

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Abstract
The elements selenium (Se) and iodine (I) are both crucial for the normal functioning of the thyroid. Biofortification with these elements is particularly feasible in areas where they show a deficit. Iodine and selenium can have positive effects on different plants when applied at the correct concentrations. The effects of their simultaneous addition on plant physiology and biochemistry, as well as on seed germination and sprout biomass, were studied in pumpkin (Cucurbita pepo L. ssp. pepo). To study the effect of Se and I on sprouts, sprouts were grown from seeds soaked in solutions of different forms of Se, I and their combination in the growth chamber experiment. In the field experiment, pumpkins plants were foliarly treated with the same concentrations and forms of Se and I. The combination of Se and I treatments enhanced the germination of the soaked seeds, with no significant differences between Se and I treatments for sprout mass. The yield of pumpkins and seed production were unaffected by Se and I foliar application. The anthocyanin levels and respiratory potential measured via the electron transport system’s activity showed different patterns according to treatments and plant parts (sprouts, leaves, seeds). The redistribution of Se and I from seeds to sprouts was significant. The accumulation of Se was higher in sprouts from the seeds treated with Se together with I, compared to sprouts from the seeds treated with Se alone. Interactions between Se and I were also noted in the seeds, which developed in the treated plants.

Language:English
Keywords:iodine, selenium, biofortification, Cucurbita pepo L. ssp. pepo, pumpkins seeds, sprouts, yield
Work type:Article (dk_c)
Tipology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Year:2020
Number of pages:12 str.
Numbering:Vol. 9, iss. 7, art. 899
UDC:57
ISSN on article:2223-7747
DOI:10.3390/plants9070899 This link opens in a new window
COBISS.SI-ID:23531011 This link opens in a new window
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Downloads:76
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Record is a part of a journal

Title:Plants
Shortened title:Plants
Publisher:MDPI
ISSN:2223-7747
COBISS.SI-ID:523345433 This link opens in a new window

Document is financed by a project

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:J4-5524
Name:Vpliv selena in joda na gojenje kmetijskih rastlin

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:L4-9305
Name:Lokalno pridelana ajda kot surovina za proizvodnjo kakovostnih živil

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:J7-9418
Name:Raziskave ionoma kulturnih rastlin za pridelavo varne in kakovostne hrane

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P1-0212
Name:Biologija rastlin

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P4-0085
Name:Agroekosistemi

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P4-0013
Name:Hortikultura

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:16.07.2020

Secondary language

Language:Slovenian
Keywords:jod, selen, biofortifikacija, Cucurbita pepo L. ssp. pepo, bučna semena, kalčki, pridelki

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