Effects of root-zone temperature and N, P, and K supplies on nutrient uptake of cucumber (<i>Cucumis sativus</i>L.) seedlings in hydroponics

Yan, Qiuyan; Duan, Zengqiang; Mao, Jingdong; Li, Xun; Dong, Fei

doi:10.1080/00380768.2012.733925

Cited by 88 publications

(77 citation statements)

References 44 publications

(44 reference statements)

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“…Similar trend was noticed in our study in respect of shoot and root calcium uptake which was positively influenced by cooled RZTs with significant (p < 0.05) differences. Yan et al (2012) demonstrated that more nutrients are accumulated in roots and less is transported to shoots at 10 0 C-RZT as compared to those at 20 ºC-RZT, which are similar to our observations. James et al (2008) demonstrated that uptake of all mineral elements was significantly different with each temperature treatment except for B, Fe, and Mo which did not respond to temperature.…”

Section: Nutrients Concentration and Uptake In Shoot And Rootsupporting

confidence: 91%

“…The higher nutrient distribution ratio in shoots at 20 ºC-RZT resulted in increased stem growth and higher shoots nutrients concentrations (Lahti et al, 2005). Yan et al (2012) found that differences in nutrient uptake were existed between species as affected by RZT such as increasing solution temperature at 14 ºC and 20 ºC in cucumbers which showed an increased NO 3 uptake with no effect on phosphate uptake as compared to unheated treatment. Urrestarazu et al (2008) reported that increasing nutrient solution temperature to 18-22 ºC increased phosphate uptake in two substrates in cucumber.…”

Section: Nutrients Concentration and Uptake In Shoot And Rootmentioning

confidence: 94%

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Effect of Cooling Root-Zone Temperature on Growth, Yield and Nutrient Uptake in Cucumber Grown in Hydroponic System During Summer Season in Cooled Greenhouse

Al-Rawahy¹,

Al-Rawahy²,

Al-Mulla³

et al. 2018

JAS

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Optimum cool root zone temperature positively influences the production of greenhouse vegetables grown during summer/high temperature period under hydroponics system. Hence, the effect of root-zone temperature was investigated on the growth, yield and nutrient uptake of cucumber (Cucumis sativus L.) plants grown in pots filled with perlite medium under recirculating hydroponic system in greenhouse during summer period (June-August) in two consecutive years 2016/2017 and 2017/2018 using three cooling treatments-T1 (22 ºC), T2 (25 ºC) and T3 (28 ºC) and non-cooled treatment T4 (33 ºC) as control in Randomized Complete Design (RCD). All the treatments received the same nutrient concentrations. Significant (p < 0.05) differences were observed for all the characters viz. plant height, leaf number/m2, chlorophyll content, leaf area (cm2), fruit number /m2, yield (t/gh), fresh (g) and dry matter weight (g) of shoot and root at all cooled root-zone temperatures as compared to control in both the years. Plants at cooled root-zone temperature (RZT) of 22 ºC gave high number of fruits/m2 to the extent of 180 in 2016/2017 and 220 in 2017/2018 followed by that at 25 ºC (167, 221) and 28 ºC (178, 143) as compared to those in control (33 ºC) (101,133) in both the years. Similarly, highest fruit yields were found at cooled RZT of 22 ºC (5.0 t/gh) and 28 ºC (4.7 t/gh) in the first year and 22 ºC (6.1 t/gh) and 25 ºC (6.0 t/gh) in the second year. The plants at cooled RZT responded positively and significantly (p < 0.05) in the uptake of all nutrient elements in shoots and roots in comparison with those at non-cooled RZT in both years.

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Section: Nutrients Concentration and Uptake In Shoot And Rootsupporting

confidence: 91%

Section: Nutrients Concentration and Uptake In Shoot And Rootmentioning

confidence: 94%

Effect of Cooling Root-Zone Temperature on Growth, Yield and Nutrient Uptake in Cucumber Grown in Hydroponic System During Summer Season in Cooled Greenhouse

Al-Rawahy¹,

Al-Rawahy²,

Al-Mulla³

et al. 2018

JAS

View full text Add to dashboard Cite

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“…The temperature variation was probably influenced by the variation of the solar radiation, which at the end of the cycle was higher for the winter season. As commented by Yan et al (2012), in optimal temperatures the transpiration rate rises and consequently reduces growth and mass accumulation.…”

Section: Resultsmentioning

confidence: 99%

“…In a study conducted with sweet pepper submitted to different nutritive solutions in hydroponic systems, Dodd et al (2000) observed that the crop growth is accelerated in temperatures of 20°C, when compared to 30°C. Yan et al (2012) related that the specific absorption rates for plant nutrients depends on the root system temperature, and even a little increase in temperature can promote big changes on plant growth and nutrients absorption, affecting the yield.…”

Section: Resultsmentioning

confidence: 99%

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Hydroponic rocket salad growth and production according to different color profiles

et al. 2017

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The aim of this study was to evaluate the influence of different profile colors based on nutrient flux on microclimate, growth and yield of four rocket cultivars. The experiment was conducted during four months in a protected environment in the NLT system, which consisted of benches composed of eight hydroponic profiles for the plants conduction. The treatments were arranged in a 4x2x2 factorial design, with four cultivars (Cultivada, Folha Larga, Rococo and Runway), two color profiles (black and white) and two growing seasons (autumn and winter). The experiments were conducted in a randomized block design with three replications. The evaluations were realized on every four days, throughout the growth period. Leaves fresh and dry mass, stems and roots, plant height, leaf number and leaf area index were evaluated. The different color profiles resulted in variations on crop growth and production due to the thermal changes within the hydroponic profile. The greatest growth and increased productivity were obtained from plants cultivated in white growing channels during the autumn. The cultivars Cultivada, Folha Larga and Rococo have similar performance, better than 'Runway'.

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Genetics of robustness under nitrogen‐ and water‐deficient conditions in field‐grown lettuce

et al. 2021

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Robustness is the measure of the ability to perform well across multiple environments. The genetics of robustness in lettuce (Lactuca sativa L.) under changing nitrogen application was studied by two parameters obtained from linear regression analysis. Robustness in changing water application was assessed by two parameters, relative efficiency component (REC) and susceptibility component (SC). The efficiency, sensitivity, and the effect of reduced irrigation on these parameters was assessed for 50 lines of lettuce in 2011. Efficiency, sensitivity, and plant nitrogen uptake and utilization were important traits in robustness under changing nitrogen application. Eight cultivars were re-evaluated in 2012, 2014, and 2016 under high and low nitrogen treatments in order to estimate the repeatability of efficiency and sensitivity. Repeatability was greater for efficiency than sensitivity. In addition, the genetics of efficiency, sensitivity, REC, SC, nutrient concentration, nutrient content, dry to fresh biomass percentage, bolting, and shoot biomass production were studied by quantitative trait locus (QTL) analysis of a recombinant inbred line population derived from the cultivars Grand Rapids and Iceberg. The population was phenotyped in three experiments and genotyped by sequencing. Major clusters of QTLs for these traits were identified in linkage groups (LGs) 3, 7, and 9. Minor effect QTLs for sensitivity were identified in LGs 3 and 4. Intermediate effect QTLs for SC were identified in LGs 4 and 7. These results provide evidence that the components of robustness under changing nitrogen (efficiency and sensitivity) and water (REC and SC) availability are genetically independent and can be improved through breeding.

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Effects of root-zone temperature and N, P, and K supplies on nutrient uptake of cucumber (Cucumis sativusL.) seedlings in hydroponics

Cited by 88 publications

References 44 publications

Effect of Cooling Root-Zone Temperature on Growth, Yield and Nutrient Uptake in Cucumber Grown in Hydroponic System During Summer Season in Cooled Greenhouse

Effect of Cooling Root-Zone Temperature on Growth, Yield and Nutrient Uptake in Cucumber Grown in Hydroponic System During Summer Season in Cooled Greenhouse

Hydroponic rocket salad growth and production according to different color profiles

Genetics of robustness under nitrogen‐ and water‐deficient conditions in field‐grown lettuce

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