Effects of photoperiod on wheat growth, development and yield in CELSS

Shen, Yunze; Guo, Sen

doi:10.1016/j.actaastro.2014.08.024

Cited by 17 publications

(19 citation statements)

References 16 publications

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“…The photoperiod shows the effect of growth and development of the plants. Some previous studies indicated that longer photoperiod could promote the plant stem, height and the number of leave (Yunze and Shuangsheng, 2014;Chen et al, 2017). We can conclude that the most suitable photoperiod for the indoor plantation system should be 12 to 16 hours (Yunze and Shuangsheng, 2014;Chen et al, 2017;Amoozgar et al, 2017).…”

Section: Introductionmentioning

confidence: 68%

Effect of three specific spectra of LED light on the growth, yield, and fruit quality of Sida tomato

Watjanatepin¹

2019

Int. j. adv. appl. sci.

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The LED artificial light has been widely applied for greenhouse and indoor plantation. The artificial light generates sole red per blue (R:B) light ratio during plant cultivation from seedling through the fruiting period. The aim of this study is to investigate the fruit quality and the yield of Sida tomatoes under three specific spectra of LED light at different R:B ratios in comparison with the tomato yield and fruit quality under sole R:B light ratio. The experiments were divided into two groups. The 1 st experimental group involved applying the LED light at R25:B75R for the seedling stage, R50:B50 for the vegetative growth, and R75:B25R for the fruit stage. The second experimental group involved applying the LED light at R63:B37 for the seedling, vegetative growth, and fruiting stages. Independent t-test was applied to determine the mean difference of the plant height, stem diameter, fruit yield, fruit weight, fruit size, and TSS. The experimental period was for 115 days. The results confirmed that the three specific spectra of LED light for each growth stage could promote the highest fruit weight, fruit yield, marketable fruit weight, and marketable fruit yield when compared to Sida tomatoes treated with one constant spectrum. Moreover, the level of total soluble sugar is also the highest. Sida tomatoes treated with three specific spectra of LED light has contributed to early and increased fruit yield. This method could be applied to produce high quality tomatoes and yield for the indoor plantation system.

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Section: Introductionmentioning

confidence: 68%

Effect of three specific spectra of LED light on the growth, yield, and fruit quality of Sida tomato

Watjanatepin¹

2019

Int. j. adv. appl. sci.

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“…Changes in the content of pigment, the F v /F m ratio and non-photochemical quenching usually occur as a reaction to abiotic stress caused by high light levels [ 44 ]. From the experiments of [ 7 ], we see that long day irradiance can change the flowering time and cause the vegetative organs of wheat to develop insufficiently. This also results in lower values of F v /F m through effects on PSII.…”

Section: Resultsmentioning

confidence: 99%

“…Natural variations in photoperiod response are mainly determined by allelic differences in the PPD1 gene [ 3 , 6 ] and the photoperiod requirement may differ at different stages of development. Plants generally have different photoperiod requirements prior to flowering and after flowering [ 7 ]. In addition to a specific photoperiod, wheat requires a period of low temperature (vernalization) for flowering to occur [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of Gibberellic Acid on Growing-Point Development of Non-Vernalized Wheat Plants under Long-Day Conditions

Skalický

Kubeš

Vachová

et al. 2020

Plants

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The goal of this study was to determine whether the application of gibberellic acid (GA3) to seeds of common wheat varieties with different vernalization and photoperiod requirements affects the transition from vegetative to generative stage. Three varieties of wheat with different photoperiod sensitivities and vernalization were selected for the experiment—the winter varieties, Mironovskaya and Bezostaya, and the spring variety, Sirael. Seeds were treated with different concentrations of GA3 and plants were grown under long-day conditions with monitoring of their photosynthetic activity (Fv/Fm, Pn, E, gs). We monitored the activity of the photosynthetic apparatus by checking the plants to see if they were growing properly. The phenological stages of the wheat species were checked for indications of a transition from the vegetative to the generative stage. Selected concentrations of GA3 had no effect on the compensation of the vernalization process (transition to the generative phase). Chlorophyll fluorescence was one of the factors for monitoring stress. The variety, Bezostaya, is similar to the spring variety, Sirael, in its trends and values. The growth conditions of Bezostaya and Sirael were not affected by the activity of the photosynthetic apparatus. The development of growing points in winter varieties occurred at the prolonged single ridge stage. The spring variety reached the stage of head emergence after sixty days of growth (changes to the flowering phase did not appear in winter wheat). Application of GA3 to the seeds had no effect on the transition of the growing point to the double-ridge generative stage. The present study highlights the priming effect of GA3 on seeds of common wheat varieties with different vernalization and photoperiod requirements as it affected the transition from vegetative to generative stage.

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“…The maximum and minimum values of these characters tended to decrease under late sowing date in the two seasons. In this respect, Yunzea and Shuangsheng (2014) reported that the growth period of wheat was largely extended by shorter photoperiod before flowering, particularly the number of days from tillering to jointing and from jointing to heading. Also the period from flowering to maturity was extended by shorter photoperiod after flowering.…”

Section: -Effect Over the Two Sowing Datesmentioning

confidence: 99%

Evaluation of Selected Promising Bread Wheat lines in late Generations under Two Sowing Dates

Aglan¹

2019

Annals of Agricultural Science, Moshtohor

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Five parents and their derived F5 families (12 families) and new check variety Sakha 95 were evaluated under two sowing dates, optimum sowing (OS) and late sowing (LS) dates for earliness, yield and yield components. The study was laid out in RCBD experiment in four replications in the experimental farm at Sakha Research Station, KafrElsheikh Governorate. The analysis of variance showed the presence of highly significant differences between years, sowing dates and genotypes under study. Interactions between all studied characteristics were also significant except for No. of kernels spike-1 and No. of spikes m-2. Reductions in grain yield and its components were observed in the first season compared to the second season due to climatic conditions. Likewise, the values of the characteristics at the late planting date were less than the ones at the recommended date due to the effect of high temperatures at the end of the season. For the characteristics of the resistance to the rust, three families showed resistance to the three rusts in the two seasons, as well as on the two sowing dates. Therefore, these three families can be used in breeding for rust resistance.Family number 12 was the most tolerant to high temperatures at the end of the season after the comparative cultivar Sakha 95 and recorded the lowest percentage of decline in yield as a result of late planting, so it is recommended to plant them in the case of late planting.

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Effects of photoperiod on wheat growth, development and yield in CELSS

Cited by 17 publications

References 16 publications

Effect of three specific spectra of LED light on the growth, yield, and fruit quality of Sida tomato

Effect of three specific spectra of LED light on the growth, yield, and fruit quality of Sida tomato

Effect of Gibberellic Acid on Growing-Point Development of Non-Vernalized Wheat Plants under Long-Day Conditions

Evaluation of Selected Promising Bread Wheat lines in late Generations under Two Sowing Dates

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