Growth analyses of tomato genotypes grown under low energy conditions.

Nieuwhof, M.; Garretsen, Frida; Oeveren, J.C. van

doi:10.18174/njas.v39i3.16541

Cited by 8 publications

(12 citation statements)

References 13 publications

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“…In particular, the PH in LT condition was remarkably decreased in most accessions except for one accession, T32, which was not significant different between LT and NT (Figure 1A). The result was identical with previous researches that proved the retarded growth of tomato plants in night low temperature (LTN) condition [5,26,28,29]. However, SD of most accessions in LTN was similar to NT, except for T21 accession which showed more inhibited growth of SD in LTN (Figure 1B).…”

Section: The Impact Of Lt On Vegetative Traits Of Tomato Plantssupporting

confidence: 90%

“…The studies on optimal temperature set-point have reported that the reduction of temperature by around 2°C in greenhouse was able to decline around 16% of winter heating cost in tomato cultivation [18,27], implying that the temperature lowering from 15°C to 10°C in winter greenhouse would lead to the significant decrease in the heating cost of tomato cultivation in agriculture. As well as, heating demand is remarkably increased at night time in winter greenhouse compared to the daytime [28,29]. However, a few studies have been dissected in the relationship of physiological traits and night low temperature (NLT) [18,28,29].…”

Section: Introductionmentioning

confidence: 99%

“…As well as, heating demand is remarkably increased at night time in winter greenhouse compared to the daytime [28,29]. However, a few studies have been dissected in the relationship of physiological traits and night low temperature (NLT) [18,28,29]. Thus, it is reasonable that practical breeding programs for low temperature (LT)-tolerant tomato cultivars economically considers keeping low temperature (10°C) during the night.…”

Section: Introductionmentioning

confidence: 99%

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Physiological Traits of Thirty-Five Tomato Accessions (Solanum lycopersicum L.) in Response to Low Temperature

Rajametov¹,

Ey²,

Mc³

et al. 2021

Preprint

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Tomato is exposure to diverse abiotic stresses. Cold stress is one of harsh environmental 12 stresses. Abnormal low temperature affects tomato growth and development including physiolog- 13 ical disorders, flower drops, and abnormal fruit morphology, causing the decrease of tomato yield 14 and a fruit quality. It is important to identify low temperature-(LT) tolerant tomato (Solanum lyco- 15 persicum L.) cultivars. This study focused on analyzing physiological traits of thirty-five tomato ac- 16 cessions with three fruit types (cherry, medium, and large sizes) under night temperature set-points 17 of 15°C for normal temperature (NT) and 10°C for LT, respectively. Plant heights (PH) of most to- 18 mato accessions in LT were remarkably decreased compared to those in NT. The growth of leaf 19 length (LL) and leaf width (LW) was reduced depending on the genotypes under LT. The number 20 of fruits (NFR), fruit set (FS), fruit yield (FY), and marketable yield (MY) was negatively affected in 21 LT. The FS in LT was significantly correlated with FY in LT in total populations (n = 35), cherry fruit 22 sub-populations (n = 20), and medium fruit sub-populations (n = 11). Moreover, the relevance of 23 NFL in LT with FY in LT was related to total populations (n = 35), cherry fruit sub-populations (n = 24 20), but not medium fruit sub-populations (n = 11). The results indicate the physiological traits of 25 FS in LT and FY in LT are crucial factors for selecting and determining LT-tolerant cultivars for 26 breeding programs in tomato plants depending on different fruit types.

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Section: The Impact Of Lt On Vegetative Traits Of Tomato Plantssupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Physiological Traits of Thirty-Five Tomato Accessions (Solanum lycopersicum L.) in Response to Low Temperature

Rajametov¹,

Ey²,

Mc³

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

“…The studies on optimal temperature set-point have reported that the reduction of temperature by around 2°C in greenhouse was able to decline around 16% of winter heating cost in tomato cultivation [18,27], implying that the temperature lowering from 15°C to 10°C in winter greenhouse would lead to the significant decrease in the heating cost of tomato cultivation in agriculture. As well as, heating demand is increased at night time in winter greenhouse compared to the daytime [28,29]. However, a few studies have been dissected in the relationship of physiological traits and night low temperature (NLT) [18,28,29].…”

Section: Introductionmentioning

confidence: 99%

“…As well as, heating demand is increased at night time in winter greenhouse compared to the daytime [28,29]. However, a few studies have been dissected in the relationship of physiological traits and night low temperature (NLT) [18,28,29]. Thus, it is reasonable that practical breeding programs for low temperature (LT)-tolerant tomato cultivars economically considers keeping low temperature (10°C) during the night.…”

Section: Introductionmentioning

confidence: 99%

Physiological Traits of Thirty-Five Tomato Accessions (Solanum lycopersicum L.) in Response to Low Temperature

Rajametov¹,

Lee²,

Jeong³

et al. 2021

Preprint

View full text Add to dashboard Cite

Tomato is exposure to diverse abiotic stresses. Cold stress is one of harsh environmental stresses and abnormal low temperature affects tomato growth and development including physio- logical disorders, flower drops, and abnormal fruit morphology, causing the decrease of tomato yield and a fruit quality. It is important to identify low temperature-(LT) tolerant tomato (Solanum lycopersicum L.) cultivars relying on different fruit types. This study focused on analyzing physiological traits of 35 tomato accessions with three different fruit types (cherry, medium, and large sizes) under night temperature set-points of 15°C for normal temperature (NT) and 10°C for LT, respectively. Plant heights (PH) of most tomato accessions in LT were remarkably decreased compared to those in NT. The growth of leaf length (LL) and leaf width (LW) was reduced depending on the genotypes under LT. In addition, the number of fruits (NFR), fruit set (FS), fruit yield (FY), and marketable yield (MY) were negatively affected in LT. The variation was further investigated by the correlation analysis, the principal component (PCA), and the cluster analysis. Interestingly, positive correlations between different vegetative and reproductive traits were uncovered. Multivariate analysis including the PCA and hierarchical clustering classified LT-treated 35 tomato accessions into four major groups. The identified accessions were associated with vegetative and reproductive parameters on positive directions and might be utilized for breeding programs on selecting LT-tolerant cultivars.

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