Seasonal Variations in the Content of Nutrient Elements in the Leaves of Fig (Ficus Carica L. Yesilguz)

Ersoy, Nilda; Gözlekçi, Şadiye; Kaynak, Lâmi

doi:10.17660/actahortic.2003.605.41

Cited by 4 publications

(3 citation statements)

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“…These low N and K leaf levels in control trees late in the season suggest the potential benefits of applying N and K during the season. Contrary to that, Ca levels showed a slight increase late in the season (Ersoy et al, 2003). All of the leaf nutrients reached a plateau after the June sampling, suggesting that leaf sampling collected in midsummer (July-September) will be more stable and representative than earlier leaf sampling agreeing as previously recommended for California dry fig orchards (Brown, 1994;Brizola et al, 2005).…”

Section: Leaf Macronutrient Concentrationssupporting

confidence: 74%

Fertigation with potassium increases size and yield in fresh figs growing in California

Holstein¹,

Crisosto²,

Crisosto³

2017

Acta Hortic.

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Nutritional status and evolution throughout the growing season has been studied in fig (Ficus carica L.) cultivars intended for drying; however, the literature is scarce regarding the effect of macronutrient concentrations on fresh figs. Research indicates that the levels of nitrogen (N), phosphorus (P), potassium (K) and calcium (Ca) are important in generating high yields of marketable fruit. We quantified the effects of an intense fertigation program of potassium and calcium on two cultivars of fresh figs, 'Black Mission' and 'Sierra', on yield, marketable yield, fruit size, soluble solids concentration (SSC), titratable acidity (TA), and the reduction of culls. We also monitored leaf macronutrient concentrations throughout the growing season. As leaf macronutrients reached a plateau after June, leaf sampling collected in midsummer (July-September) is recommended for fresh fig. In general, nutrient evolution was similar in both cultivars with leaf N, P and K levels decreasing during late spring (May) to fall (October). These low N and K leaf levels in control trees late in the season suggest the potential benefits of applying N and K during the season. The fertigation program significantly increased yield and marketable yield in both cultivars, and increased fruit size in 'Sierra'. In 'Sierra' figs, leaf K concentration was positively correlated with yield, marketable yield, and fruit size. Fertigation had no effect on fruit SSC or TA for either cultivar.

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Section: Leaf Macronutrient Concentrationssupporting

confidence: 74%

Fertigation with potassium increases size and yield in fresh figs growing in California

Holstein¹,

Crisosto²,

Crisosto³

2017

Acta Hortic.

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“…for 2 days. Fig plants, which contain a relatively high amount of galactose [ 17 ], are reported to be highly infested by Drosophilidae showing that it is a relevant food source in the wild [ 41 ]. We were able to detect significantly higher nuclear GFP intensities in the midgut enterocytes and the fat body of fig fed flies compared to 0% galactose ( Fig 6F and 6G ).…”

Section: Resultsmentioning

confidence: 99%

“…Although the lab’s standard fly food does not contain much galactose, marula, an African fruit that is the ancestral host of D . melanogaster contains galactose [ 13 , 14 ] and many fruits and vegetables contain both free and bound galactose [ 15 – 17 ], which suggests that galactose is a physiologically relevant sugar for Drosophila . In fact, adult flies can keep living with only galactose ( S1A Fig ), indicating that Drosophila uses galactose as an energy source.…”

Section: Introductionmentioning

confidence: 99%

GALDAR: A genetically encoded galactose sensor for visualizing sugar metabolism in vivo

Sakizli,

Takano,

Yoo

2024

PLoS Biol

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Sugar metabolism plays a pivotal role in sustaining life. Its dynamics within organisms is less understood compared to its intracellular metabolism. Galactose, a hexose stereoisomer of glucose, is a monosaccharide transported via the same transporters with glucose. Galactose feeds into glycolysis and regulates protein glycosylation. Defects in galactose metabolism are lethal for animals. Here, by transgenically implementing the yeast galactose sensing system into Drosophila, we developed a genetically encoded sensor, GALDAR, which detects galactose in vivo. Using this heterologous system, we revealed dynamics of galactose metabolism in various tissues. Notably, we discovered that intestinal stem cells do not uptake detectable levels of galactose or glucose. GALDAR elucidates the role for galactokinase in metabolism of galactose and a transition of galactose metabolism during the larval period. This work provides a new system that enables analyses of in vivo sugar metabolism.

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Soil Management, Fertilization, and Irrigation

̇rget¹,

Meriç²

2022

Advances in Fig Research and Sustainable Production

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Seasonal Variations in the Content of Nutrient Elements in the Leaves of Fig (Ficus Carica L. Yesilguz)

Cited by 4 publications

References 0 publications

Fertigation with potassium increases size and yield in fresh figs growing in California

Fertigation with potassium increases size and yield in fresh figs growing in California

GALDAR: A genetically encoded galactose sensor for visualizing sugar metabolism in vivo

Soil Management, Fertilization, and Irrigation

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