Germination and the Initial Seedling Growth of Lettuce, Celeriac and Wheat Cultivars after Micronutrient and a Biological Application Pre-Sowing Seed Treatment

Poštić, Dobrivoj; Štrbanović, Ratibor; Tabaković, Marijenka; Popović, Tatjana; Ćirić, Ana; Banjac, Nevena; Trkulja, Nenad; Stanisavljević, Rade

doi:10.3390/plants10091913

Cited by 7 publications

(6 citation statements)

References 54 publications

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“…More specifically, inoculation with T. harzianum enhanced phase III imbibitions; i.e., cell elongation followed by radicle protrusion [ 32 ]. The promotive effect of Trichoderma on wheat seed germination was attributed to increasing gibberellic acid (GA3) that boosts up the activity of hydrolytic and proteolytic enzymes acting to mobilize the food reserves from the cotyledons or endosperm [ 33 ]. Otherwise, Bacillus spp.…”

Section: Discussionmentioning

confidence: 99%

Use of Biostimulants: Towards Sustainable Approach to Enhance Durum Wheat Performances

Ayed

Bouhaouel

Jebari

et al. 2022

Plants

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The use of biostimulant (BS) holds a promising and environmental-friendly innovation to address current needs of sustainable agriculture. The aim of the present study is twofold: (i) assess the potential of durum wheat seed coating with microbial BS (‘Panoramix’, Koppert), a mix of Bacillus spp., Trichoderma spp., and endomycorrhiza, compared to two chemical products (‘Spectro’ and ‘Mycoseeds’) through germination bioassay, pot and field trials under semi-arid conditions, and (ii) identify the most effective method of BS supply (‘seed coating’, ‘foliar spray’, and ‘seed coating + foliar spray’) under field conditions. For this purpose, three modern durum wheat cultivars were tested. ‘Panoramix’ was the most efficient treatment and enhanced all germination (germination rate, and coleoptile and radicle length), physiological (relative water content, chlorophyll content, and leaf area), and agro-morphological (plant height, biomass, seed number per spike, thousand kernel weight, and grain yield) attributes. Unexpectedly, the individual application of ‘Panoramix’ showed better performance than the combined treatment ‘Panoramix + Spectro’. Considering the physiological and agro-morphological traits, the combined method ‘seed coating + foliar spray’ displayed the best results. Principal component analysis confirmed the superiority of ‘Panoramix’ treatment or ‘seed coating + foliar spray’ method. Among tested durum wheat cultivars, ‘Salim’ performed better especially under ‘Panoramix’ treatment, but in some case ‘Karim’ valorized better this BS showing the highest increase rates. Based on these study outcomes, ‘Panoramix’ might be used as promising sustainable approach to stimulate durum wheat performance.

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Section: Discussionmentioning

confidence: 99%

Use of Biostimulants: Towards Sustainable Approach to Enhance Durum Wheat Performances

Ayed

Bouhaouel

Jebari

et al. 2022

Plants

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“…This sample was obtained on 02/2021 and stored in a refrigerator for approximately 1 month. The germination conditions and experimental setup fall within the ranges and methods commonly utilized in seed germination tests for phytotoxicity [25,[28][29][30][31]. The trials were observed and measured for a period of 10 days, where each trial contained a buttercrunch lettuce seed inside of a Ziploc (San Diego, CA, USA) plastic sandwich bag with a 5.1 cm diameter circle of 2-ply paper towel for each seed, in triplicate.…”

Section: Methodsmentioning

confidence: 99%

“…This aligns with the compost tea results, as compost tea is largely composed of carbon and nitrogen species. The impact of certain micronutrients as well as biological treatments, comparable to PGPMs, were studied by Postic et al [28]. They determined that the biological treatment had the largest positive impact on germination percentage, followed by the mixed treatment and then the Zinc and Boron treatments.…”

Section: Introductionmentioning

confidence: 99%

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Investigating the Impacts of Wastewaters on Lettuce (Lactuca sativa) Seed Germination and Growth

Reynolds,

Leme,

Davidson

2024

Agriculture

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There is an opportunity for agriculture to utilize the many different waste streams in our world and capitalize on what would otherwise be viewed as waste products. Hydrothermal liquefaction (HTL) is an emerging technology for converting wet biomass to bio-crude oil, while aquaponics is a practice tracing back to indigenous communities around the world; both technologies have the potential to sustainably provide the necessary nutrients for crop growth. Food systems worldwide are actively transitioning to address the many challenges of climate change in a sustainable and efficient manner. Urban agriculture (UA) has the potential to generate localized crops in densely populated areas year-round, but has its challenges, involving high capital requirements, especially for vertical farming and controlled-environment agriculture, and being energy intensive due to artificial lighting and fossil fuel-based synthetic fertilizers. This study investigated the potential for aquaponic and HTL effluents to be used in hydroponic systems through a seed germination screening experiment. Buttercrunch lettuce (Lactuca sativa L.) seeds were placed in Ziploc plastic bags on paper towels saturated with the wastewater treatments for 10 days while their total length of growth was routinely measured from the tip of the root to the tip of the cotyledons. The Chicago High School for Agricultural Sciences (CHSAS) aquaponic effluent with a 5.8× times higher nitrate concentration and 4.25× higher ammonia concentration outperformed the Bevier aquaponic effluent and improved any other source water it was combined with. Results also showed that seed germination was not inhibited in the presence of 2–8% solutions of hydrothermal liquefaction aqueous phase (HTL-AP), which performed on par with standard hydroponic fertilizer; solutions of a higher percentage, though, may lead to inhibitory effects in plants, and those of a lower percentage may not provide enough nutrients in the proper forms to sustain plant growth. However, the nutrient analyses revealed that there is still much to investigate regarding the combination of wastewaters to provide a complete, well-rounded, and sustainable source for hydroponic crop production.

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“…Besides, diverse non-invasive optical spectroscopic techniques, including Raman and Elastic spectroscopy, have been used for plant physiology monitoring and assessment [39,40]. Alternatively, optical parameters, such as spectral reflectance indexes, have been employed as a non-invasive technique in lettuce physiology assessment [41][42][43][44][45][46] for early-stage detection of Botrytis cinerea after 12, 18, 36, 60 and 84 h [47].…”

Section: Introductionmentioning

confidence: 99%

Non-Invasive Monitoring of the Thermal and Morphometric Characteristics of Lettuce Grown in an Aeroponic System through Multispectral Image System

et al. 2022

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Aeroponics is a soilless cultivation technology integrating plant nutrition, physiology, ecological environment, agricultural automation and horticulture. One of the soilless advantages is that a non-invasive observation of the root system growth development is possible. This paper presents a vegetative growth evaluation of lettuce plants in an aeroponic chamber, where root and leaf development parameters were measured in three lettuce crops through plant images captured in the visible (VIS), near infrared (NIR) and far infrared (IR) spectra. A total of ninety lettuce plants was transplanted for this research, thirty for each experimental crop. The three lettuce crops were grown for thirty days in an aeroponic growth plant chamber inside a greenhouse under favorable conditions. The morphometric and thermal parameters of the lettuce roots (perimeter, area, length and average temperature) and leaves (perimeter, area and average temperature) were evaluated for each crop along ten image-capturing sessions through an implemented multispectral vision system. The average values of the root and leaf morphometric parameters obtained with the implemented imaging system along the lettuce growing period were statistically analyzed with Tukey testing. The obtained analysis results show no significant difference for a value of p ≤ 0.05 in 86.67%. Hence, the morphometric parameters can be used to characterize the vegetative lettuce growth in aeroponic crops. On the other hand, a correlation analysis was conducted between the thermal parameters computed with the root and leaf thermal image processing and the measured ambient temperature. The results were: R = 0.945 for correlation between ambient and leaf temperature, R = 0.963 for correlation between ambient and root temperature and R = 0.977 for leaf and root temperature. According to these results, the plant temperature is highly correlated with the ambient temperature in an aeroponic crop. The obtained study results suggest that multispectral image processing is a useful non-invasive tool to estimate the vegetative root and leaf growth parameters of aeroponic lettuce plants in a greenhouse.

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Germination and the Initial Seedling Growth of Lettuce, Celeriac and Wheat Cultivars after Micronutrient and a Biological Application Pre-Sowing Seed Treatment

Cited by 7 publications

References 54 publications

Use of Biostimulants: Towards Sustainable Approach to Enhance Durum Wheat Performances

Use of Biostimulants: Towards Sustainable Approach to Enhance Durum Wheat Performances

Investigating the Impacts of Wastewaters on Lettuce (Lactuca sativa) Seed Germination and Growth

Non-Invasive Monitoring of the Thermal and Morphometric Characteristics of Lettuce Grown in an Aeroponic System through Multispectral Image System

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