The effect of drought stress on breeding genotypes of sugar beet under greenhouse conditions | Zendy

Abdolmajid khorshid | Zendy; Ali Asadi | Zendy; Akram Hatami | Zendy

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The effect of drought stress on breeding genotypes of sugar beet under greenhouse conditions

Author(s) -

Abdolmajid khorshid,

Ali Asadi,

Akram Hatami

Publication year - 2020

Publication title -

journal of crop breeding

Language(s) - English

Resource type - Journals

eISSN - 2676-4628

pISSN - 2228-6128

DOI - 10.29252/jcb.12.34.83

Subject(s) - sugar beet , petiole (insect anatomy) , biology , cultivar , sugar , agronomy , greenhouse , shoot , dry weight , drought stress , yield (engineering) , drought tolerance , horticulture , botany , biochemistry , hymenoptera , materials science , metallurgy

Due to decreasing annual rainfall and increasing drought and temperature, creating tolerant and high yield potential cultivars in sugar beet is very important for breeders. For this purpose, to investigate the effect of drought stress on yield and morphological traits of sugar beet and the relationship between these traits with yield in greenhouse conditions, 140 sugar beet genotypes under greenhouse conditions in Karaj Sugar Beet center in 2015 were evaluated for yield traits. The results showed that the effect of genotype was significant for all traits except of leaf area and relative water content, indicating that there was different among genotypes. Drought stress decreased all traits but this effect was not significant on root dry weight, shoot dry weight and total dry weight. Also, petiole length had a positive and significant correlation with root and shoot dry weight and root length in drought condition but under normal condition, no significant correlation observed. It seems that this traits may be a criterion for selection of resistant genotypes under

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