Impact of Pre-Sowing Red Light Treatment of Sweet Corn Seeds on the Quality and Quantity of Yield

Dziwulska‐Hunek, Agata; Szymanek, M.; Stadnik, Joanna

doi:10.3390/agriculture10050165

Cited by 18 publications

(15 citation statements)

References 20 publications

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“…While previous studies have evaluated the effects of maize seedling performance in outdoor environments using various sources and intensity of lasers ( Samuilov & Garifullina, 2007 ; Hernández-Aguilar et al, 2011; Srećković et al, 2014 ; Hasan et al, 2020a ; Hasan et al, 2020b ; Dziwulska-Hunek, Szymanek & Stadnik, 2020 ), few have reported physiological responses by using laser under these conditions ( Asghar et al, 2016 ; Rózanowski et al, 2020 ). With increased understanding of these responses, production in controlled environments can be more effectively optimized.…”

Section: Discussionmentioning

confidence: 99%

Comparison of the effects of two laser photobiomodulation techniques on bio-physical properties of Zea mays L. seeds

Hasan

Hanafiah

Al-Hilfy

et al. 2021

PeerJ

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Background Laser applications in agriculture have recently gained much interest due to improved plant characteristics following laser treatment before the sowing of seeds. In this study, maize seeds were exposed to different levels of laser treatment prior to sowing to improve their field performance. The aim of this study is to evaluate the impact of pre-sowing laser photobiomodulation on the field emergence and growth of treated maize seeds. Methods The maize seeds were first photobiomodulated with two lasers: 1) a helium-neon (He–Ne) red laser (632.8 nm), and 2) a neodymium-doped yttrium aluminum garnet (Nd:YAG) green laser (532 nm). Following three replications of randomized complete block design (RCBD), four irradiation treatments were applied (45 s, 65 s, 85 s, and 105 s) at two power intensities (2 mW/cm2 and 4 mW/cm2). Results Based on the results, maize seeds pretreated with a green laser and 2 mW/cm2 power intensity for 105 s exhibited the highest rate of seed emergence (96%) compared to the untreated control seeds with a lower seed emergence rate (62.5%). Furthermore, maize seeds treated with a red laser for 45 s showed an increased vigor index compared to the other treatment options and the control (P < 0.01). The treatment groups also showed statistically significant differences in seedling growth characteristics compared to the control group p < 0.01. The green laser produced a significant enhancement of about 24.20 cm in seedling length, 8.2 leaves/plant, and 3.4 cm in stem diameter compared to the untreated seeds. Moreover, the green laser treatment showed 57.4 days to anthesis, which was earlier than the untreated seeds (61.4 days). The results showed that the protein, oil, and starch contents of the seeds irradiated with the green laser were 17.54%, 6.18%, and 73.32%, respectively, compared to the seeds irradiated by the red laser with 16.51%, 6.33%, and 71.05%, respectively. Conclusions The photo biomodulation of maize seeds using a green laser light can improve the field emergence, seedling growth, and seed quality of the treated seed compared to the red laser treatment.

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Section: Discussionmentioning

confidence: 99%

Comparison of the effects of two laser photobiomodulation techniques on bio-physical properties of Zea mays L. seeds

Hasan

Hanafiah

Al-Hilfy

et al. 2021

PeerJ

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“…Climate change remains prevalent in the delineated region, presenting a range of challenges for smallholder livestock farmers (SLF) in Sub-Saharan Africa. Various changes in temperature, the mountainous and arid landscape and water availability impact on the pastures and forage quantities and quality [20], feed-grain pricing, and disease and pest distributions in rural settings.…”

Section: Livestock Evolution-a Focus On Risksmentioning

confidence: 99%

The Resilience of Smallholder Livestock Farmers in Sub-Saharan Africa and the Risks Imbedded in Rural Livestock Systems

Gwaka

Dubihlela

2020

Agriculture

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Smallholder livestock farmers (SLF) are important in research and policy development agenda because of the everlasting issue of food insecurity and the livelihoods in sub-Sahara Africa. Lack of access to technologies and information, poor infrastructure and lack of access to markets and environmental factors play a key role in deterring sustainable smallholder livestock farming. In recent years, studies have provided evidence that livestock species can play a role towards solving household food insecurity and enhancing Africa’s resilient livelihoods, particularly in rural settings. However, no studies have been conducted on the effectiveness of emerging technologies (available information technologies) as risk mitigation tools for smallholder livestock farmers. The study used survey data from 278 interviewer-administered questionnaires and 13 in-depth interviews village herds from Dumba, Mapayi, Old Nuli and Shabwe to explore whether rural SLF would use the emerging technologies to enhance their operations, and mitigate supply chain risk, exposures to stock theft and loss. Empirical results show the overwhelming need for the use of emerging technologies by the SLF, and that emerging technologies have significant and positive effects on the risk management activities. SLF indicated that, using digital technologies, they could enhance their risk mitigation and value chains. The results of the study have several policy implications. For instance, the agricultural comparative advantage should be improved through various emerging agricultural technologies. Moreover, the immediate rural development service networks for SLF could be strengthened through the Department of Rural Development and Land Reform to reduce livestock risk exposures, disasters and market reactions. Although rural livestock farming in Beitbridge has survived over the years at a subsistence level, the paper provides some interesting and pertinent findings, and projects some possible future research pathways.

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“…Therefore, improving the phytochemical contents in Brassica plants and their sprouts to boost their nutritional and health-promoting effects has arisen many concerns. In this regard, several plant growth and/or bioactivity-promoting techniques have been widely applied, on the basis of the positive impacts of some environmental stressors and elicitors on the production of bioactive secondary metabolites in sprouts. , For instance, magnetic field and laser irradiation have recently been used for increasing plant nutritive value and productivity . According to their uses and applications, laser light is categorized into two types, pulsed and continued lasers.…”

Section: Introductionmentioning

confidence: 99%

Effect of Laser Light on Growth, Physiology, Accumulation of Phytochemicals, and Biological Activities of Sprouts of Three Brassica Cultivars

Almuhayawi

Jaouni

et al. 2021

J. Agric. Food Chem.

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Brassica sprouts are known as a good source of antimicrobial bioactive compounds such as phenolics and glucosinolates (GLs). We aim at understanding how He–Ne laser light treatment (632 nm, 5 mW) improves sprout growth and physiology and stimulates the accumulation of bioactive metabolites in three Brassica spp., i.e., mustard, cauliflower, and turnip. Moreover, how these changes consequently promote their biological activities. Laser light improved growth, photosynthesis, and respiration, which induced the accumulation of primary and secondary metabolites. Laser light boosted the levels of pigments, phenolics, and indole and aromatic precursors of GLs, which resulted in increased total GLs and glucoraphanin contents. Moreover, laser light induced the myrosinase activity to provoke GLs hydrolysis to bioactive sulforaphane. Interestingly, laser light also reduced the anti-nutrient content and enhanced the overall biological activities of treated sprouts including antioxidant, antibacterial, anti-inflammatory, and anticancer activities. Accordingly, laser light is a promising approach for boosting the accumulation of beneficial metabolites in Brassica sprouts and, subsequently, their biological activities.

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Impact of Pre-Sowing Red Light Treatment of Sweet Corn Seeds on the Quality and Quantity of Yield

Cited by 18 publications

References 20 publications

Comparison of the effects of two laser photobiomodulation techniques on bio-physical properties of Zea mays L. seeds

Comparison of the effects of two laser photobiomodulation techniques on bio-physical properties of Zea mays L. seeds

The Resilience of Smallholder Livestock Farmers in Sub-Saharan Africa and the Risks Imbedded in Rural Livestock Systems

Effect of Laser Light on Growth, Physiology, Accumulation of Phytochemicals, and Biological Activities of Sprouts of Three Brassica Cultivars

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