Article
Agriculture, Multidisciplinary
Andrew M. Beacham, Paul Hand, Graham R. Teakle, Guy C. Barker, David A. C. Pink, James M. Monaghan
Summary: Tipburn, a physiological disorder of lettuce, causes discoloration and collapse of leaf margins, leading to reduced crop quality. Through the study of lettuce germplasm resources, it was found that different genotypes have different effects on tipburn resilience, and leaf morphology factors also influence the ability to resist tipburn. By using genetic markers and germplasm resources, it is possible to develop tipburn resilient lettuce varieties.
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
(2023)
Article
Horticulture
Giandomenico Corrado, Paola Vitaglione, Georgios A. Soteriou, Marios C. Kyriacou, Youssef Rouphael
Summary: This study compared the effects of three mildly saline iso-osmotic nutrient solutions on baby lettuce cultivated in a floating system, finding a multifaceted response of the lettuce to saline solutions with a marked role for the cultivar factor. Morphological response was mainly influenced by osmolarity, while phytochemical analysis revealed ion-specific differences on some phenolic compounds.
Article
Plant Sciences
Ausra Brazaityte, Viktorija Vastakaite-Kairiene, Ruta Sutuliene, Neringa Rasiukeviciute, Akvile Virsile, Jurga Miliauskiene, Kristina Lauzike, Alma Valiuskaite, Lina Dene, Simona Chrapaciene, Asta Kupcinskiene, Giedre Samuoliene
Summary: This study investigated the changes in phenolic compounds content in lettuce under different LED lighting conditions in a greenhouse. Supplemental 400 nm and 455 + 530 nm LEDs showed the most positive effect on total phenolic compounds. The effect of LED lighting varied depending on the timing and season of cultivation.
Article
Horticulture
Jake Holley, Neil Mattson, Eyosias Ashenafi, Marianne Nyman
Summary: Increasing carbon dioxide concentrations can significantly increase the yield of lettuce in controlled environments, while having minimal impact on nutritional components.
Article
Horticulture
Han Zhang, Huaming He, Weitang Song, Liang Zheng
Summary: Ultraviolet B (UVB) irradiation is a promising environmental protection technology in vegetable production, but its effects vary among plant varieties. This study investigated the effects of two UVB intensities on the accumulation of phenolics and flavonoids, and antioxidant activity in green-leaf and red-leaf lettuce. The results showed that short-term UVB treatment increased total chlorophyll content and carotenoid synthesis in both types of lettuce. Extending UVB exposure time decreased chlorophyll a/b value in green-leaf lettuce but increased flavonoid accumulation. Red-leaf lettuce had higher secondary metabolite accumulation, faster scavenging rate of free radicals, and stronger resistance to UVB stress. Low-dose UVB radiation prior to harvest improved secondary metabolite content and antioxidant activity in both types of lettuce.
Article
Horticulture
Carolina Cinto de Moraes, Neidiquele Maria Silveira, Gabriel Stefanini Mattar, Fernando Cesar Sala, Estevao Vicari Mellis, Luis Felipe Villani Purquerio
Summary: Zinc is an essential element for human health, and biofortification of lettuce with zinc is a strategy to address zinc deficiency in the global population. The study found that increasing zinc concentration in lettuce affected biomass production and zinc content in leaves, leading to different antioxidant responses in different growing seasons.
SCIENTIA HORTICULTURAE
(2022)
Article
Plant Sciences
Fernando Ferrari Putti, Camila Pires Cremasco, Alfredo Bonini Neto, Ana Carolina Kummer Barbosa, Josue Ferreira da Silva Junior, Andre Rodrigues dos Reis, Bruno Cesar Goes, Bruna Arruda, Luis Roberto Almeida Gabriel Filho
Summary: This study used a mathematical model based on fuzzy logic to estimate the replacement rates of magnetic water provided by irrigation and compared it with multiple polynomial regression analysis. The results showed that irrigating with magnetic water resulted in higher biometric values for lettuce, and the fuzzy model provided a more accurate adjustment compared to multiple polynomial regression.
Article
Environmental Sciences
Diego C. Zied, Carlos G. de Abreu, Lucas da S. Alves, Evandro P. Prado, Arturo Pardo-Gimenez, Paulo C. de Melo, Eustaquio S. Dias
Summary: The study indicates that using fresh spent mushroom substrate (SMS) in the production of lettuce and arugula is feasible, with different optimal dosages recommended based on evaluated agronomic parameters.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Multidisciplinary Sciences
Ehab A. Ibrahim, Noura E. S. Ebrahim, Gehan Z. Mohamed
Summary: The present study investigated the effect of foliar application of chitosan and glycine betaine on lettuce plants and found that the application of these substances significantly improved plant growth, yield, and quality, especially under water deficit conditions.
SCIENTIFIC REPORTS
(2023)
Article
Plant Sciences
Jazmin M. Gaucin-Delgado, Adriel Ortiz-Campos, Luis G. Hernandez-Montiel, Manuel Fortis-Hernandez, Juan J. Reyes-Perez, Jose A. Gonzales-Fuentes, Pablo Preciado-Rangel
Summary: The application of copper nanoparticles through foliar spraying increases the yield and content of bioactive compounds in lettuce without negative effects on yield. The activity of superoxide dismutase and catalase enzymes in lettuce plants is also increased with the application of copper nanoparticles. Therefore, better quality lettuces with higher production of bioactive compounds are produced for the human diet through the application of copper nanoparticles.
Article
Agriculture, Multidisciplinary
Ji-woo Yu, Ji-Ho Lee, Min-Ho Song, Young-Soo Keum
Summary: Weed management is crucial for crop protection, but chemical weed control using synthetic herbicides has drawbacks. Metabolomic investigation of allelopathy could offer new alternatives for weed control. This study focused on the metabolomic responses of plants to allelochemicals in Iris seed extracts, identifying 3-hydroxyirisquinone as a major allelochemical. The compound inhibited plant growth and affected metabolic pathways, leading to oxidative stress and growth inhibition. These findings provide valuable information for the development of allelochemical-based herbicides.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2023)
Article
Agronomy
Ivan Simko, Jinita Sthapit Kandel, Hui Peng, Rebecca Zhao, Krishna V. Subbarao
Summary: GWAS identified 19 QTLs for resistance to Sclerotinia minor, with 11 co-locating with red leaf color. Lower disease incidence was observed in red and dark red accessions.
THEORETICAL AND APPLIED GENETICS
(2023)
Article
Horticulture
Jana Ziarovska, Lucia Urbanova, Dagmar Moravcikova, Renata Artimova, Radoslav Omelka, Juraj Medo
Summary: A plant's microbiome plays an important role in its growth, stress resistance, health status, and consumer quality and safety. The microbiome in the rhizosphere, where soil and plant roots meet, is formed through a negotiating process between microbial communities. This study analyzed the microbiome in the rhizosphere and root internal tissue of six lettuce varieties under normal conditions and salinity stress. The results showed that the microbiomes in the root samples were less diverse compared to those in the rhizosphere, and different lettuce varieties had significantly different bacterial communities in their roots. Salinity stress had a negative impact on bacterial diversity and composition, while fungal diversity and composition did not change significantly, and the changes were more evident in varieties that were more resistant to salinity stress.
Article
Plant Sciences
Maria Carmen Pinero, Gines Otalora, Jacinta Collado-Gonzalez, Josefa Lopez-Marin, Francisco M. del Amor
Summary: Research has found that foliar application of selenium can enhance plant productivity, reduce abiotic stresses, and improve nitrogen metabolism in plants grown in an aquaponics system. Additionally, the application of selenium can alleviate the negative effects of fish water on lettuce plant growth.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2022)
Article
Agronomy
Virginia Birlanga, Jose Ramon Acosta-Motos, Jose Manuel Perez-Perez
Summary: Study of 12 lettuce genotypes showed genotype x environment interactions in different growing seasons, with nutrient traits highly correlated with tipburn incidence. The experimental setup allows selection of tipburn-tolerant and highly productive lettuce genotypes suitable for hydroponics.
Article
Agronomy
Vinicius Martins Silva, Lolita Wilson, Scott D. Young, Martin R. Broadley, Philip J. White, Andre Rodrigues dos Reis
Summary: This study evaluated the effects of selenium (Se) and sulfur (S) combination on cowpea plants under field conditions. The results showed that the interaction between Se and S did not affect cowpea yield or growth, but the application of S decreased Se content in cowpea. Furthermore, the combination of Se and S increased the concentrations of sugars, amino acids, and storage proteins in cowpea seeds.
Article
Nutrition & Dietetics
Swarnim Gupta, Mukhtiar Zaman, Sadia Fatima, Babar Shahzad, Anna K. M. Brazier, Victoria H. Moran, Martin R. Broadley, Munir H. Zia, Elizabeth H. Bailey, Lolita Wilson, Iqbal M. Khan, Jonathan K. Sinclair, Nicola M. Lowe
Summary: A study conducted in rural Pakistan found that consuming zinc-biofortified wheat flour can moderately increase zinc and iron intake, but has no significant effect on plasma zinc concentration. However, consuming zinc-biofortified wheat flour can reduce the incidence of storage iron deficiency.
Review
Food Science & Technology
Beaula Mutonhodza, Edward J. M. Joy, Elizabeth H. Bailey, Murray R. Lark, Muneta G. M. Kangara, Martin R. Broadley, Tonderayi M. Matsungo, Prosper Chopera
Summary: This scoping review examines selenium status in soils, crops, livestock, and humans in sub-Saharan Africa, revealing that selenium concentrations in soil and crops affect dietary intake and biomarkers of selenium status, but there is limited evidence on the agriculture-nutrition linkages.
INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY
(2022)
Article
Nutrition & Dietetics
Molly Muleya, Kevin Tang, Martin R. Broadley, Andrew M. Salter, Edward J. M. Joy
Summary: This study estimated the dietary protein supplies and deficiency risk in Malawi using household consumption and expenditure survey data. It found that a significant proportion of households in Malawi lack adequate protein and lysine, with the poorest households being the most vulnerable. The adoption of quality protein maize (QPM) could potentially reduce the risk of protein and lysine deficiency in these vulnerable households.
Article
Multidisciplinary Sciences
D. B. Kumssa, A. W. Mossa, T. Amede, E. L. Ander, E. H. Bailey, L. Botoman, C. Chagumaira, J. G. Chimungu, K. Davis, S. Gameda, S. M. Haefele, K. Hailu, E. J. M. Joy, R. M. Lark, I. S. Ligowe, S. P. McGrath, A. Milne, P. Muleya, M. Munthali, E. Towett, M. G. Walsh, L. Wilson, S. D. Young, I. R. Haji, M. R. Broadley, D. Gashu, P. C. Nalivata
Summary: The dataset includes data on the concentration of 29 mineral micronutrients in cereal grains and soil chemistry properties in Ethiopia and Malawi. The study provides insights into the geospatial variation of micronutrient concentration in staple crops and the influence of soil factors.
Article
Soil Science
R. Alemu, A. M. Gelaw, D. Gashu, K. Tafere, A. W. Mossa, E. H. Bailey, W. A. Masters, M. R. Broadley, R. M. Lark
Summary: This paper presents an approach for subsampling physical archives in spatial mapping using ordinary kriging. The method involves estimating variograms and prediction error variances based on data from surrounding regions, and selecting a subsample to optimize spatial coverage. This preregistered experiment aims to promote reproducible research in soil science.
Article
Nutrition & Dietetics
Abdu Oumer Abdu, Diriba B. Kumssa, Edward J. M. Joy, Hugo De Groote, R. Murray Lark, Martin R. Broadley, Dawd Gashu
Summary: Recent surveys in Ethiopia have shown that there is significant spatial variation in the micronutrient composition of cereals. The use of single national values for estimating micronutrient intakes is limited, as different cereals have different mineral compositions. This study estimated the district-level dietary mineral supply of staple cereals in Ethiopia and found considerable variability in their contribution to daily dietary requirements.
Article
Food Science & Technology
Beaula Mutonhodza, Mavis P. Dembedza, Murray R. Lark, Edward J. M. Joy, Muneta G. Manzeke-Kangara, Handrea Njovo, Tasiana K. Nyadzayo, Alexander A. Kalimbira, Elizabeth H. Bailey, Martin R. Broadley, Tonderayi M. Matsungo, Prosper Chopera
Summary: Globally, anemia is a significant health issue, particularly affecting women of reproductive age and children in low- and lower-middle-income countries. This study conducted in rural Zimbabwe found that the prevalence of anemia among women was 17.9% and among children was 29.6%. Maternal anemia and being male were significantly associated with anemia in children, while using unimproved dug wells as a drinking water source and lack of agricultural land ownership were significantly associated with anemia in women of reproductive age.
FOOD SCIENCE & NUTRITION
(2023)
Article
Nutrition & Dietetics
Demeke Teklu, Dawd Gashu, Edward J. M. Joy, R. Murray Lark, Elizabeth H. Bailey, Lolita Wilson, Tilahun Amede, Martin R. Broadley
Summary: Agronomic biofortification can enhance the concentrations of zinc and iron in finger millet grain, potentially reducing micronutrient deficiencies among rural populations. This study investigated the impact of soil-applied fertilizer treatments on grain zinc and iron concentration.
FRONTIERS IN NUTRITION
(2023)
Article
Nutrition & Dietetics
Adamu Belay, Edward J. M. Joy, R. Murray Lark, E. Louise Ander, Scott D. Young, Elizabeth H. Bailey, Martin R. Broadley, Dawd Gashu
Summary: This study aimed to assess the association between serum micronutrients and non-nutritional factors with the risk of anaemia among the Ethiopian population. The findings revealed that younger age, household head illiteracy, and low serum concentrations of ferritin, cobalt, copper, and folate were associated with anaemia. Serum selenium had an indirect effect on haemoglobin through zinc. The study suggests the need for a multi-sectorial intervention to address anaemia based on demographic groups.
BRITISH JOURNAL OF NUTRITION
(2023)
Biographical-Item
Agronomy
Martin R. Broadley
Article
Agronomy
Muneta G. Manzeke-Kangara, Tilahun Amede, Elizabeth H. Bailey, Lolita Wilson, Abdul W. Mossa, Dereje Tirfessa, Mesfin K. Desta, Tadesse G. Asrat, Getachew Agegnehu, Tesfaye S. Sida, Gizaw Desta, Tadele Amare, Beamlaku Alemayehu, Stephan M. Haefele, R. Murray Lark, Martin R. Broadley, Sam Gameda
Summary: Agronomic biofortification, which improves the concentrations of micronutrients in staple crops, is a potential strategy for promoting micronutrient-dense foods. However, implementing agronomic biofortification in smallholder farming landscapes presents challenges. This study tested the effects of zinc and selenium-containing fertilizer on micronutrient concentrations in wheat and teff grown in different landscape positions. The results showed that micronutrient concentrations varied depending on the fertilizer application method and landscape position. This highlights the importance of optimizing nutritional agronomy landscape trials and targeted application of micronutrient fertilizers.
Article
Agronomy
Demeke Teklu, Dawd Gashu, Edward J. M. Joy, R. Murray Lark, Elizabeth H. Bailey, Lolita Wilson, Tilahun Amede, Martin R. Broadley
Summary: This study aimed to investigate the influence of genotypic differences on responses to zinc and iron agronomic biofortification among yields of finger millet. The findings suggest that genotype differences and environmental conditions can affect the influence of Zn and Fe agronomic biofortification on the yield of finger millet. The combined soil application of FeSO(4)7H(2)O and ZnSO(4)7H(2)O increased the yield of the Meba genotype by 51.6%, while ZnSO(4)7H(2)O fertilizer application increased the yield of the Urji genotype by 27.6%.
Review
Nutrition & Dietetics
Muneta Grace Manzeke-Kangara, Edward J. M. Joy, R. Murray Lark, Sally Redfern, Ans Eilander, Martin R. R. Broadley
Summary: Regenerative Agriculture (RA) aims to improve soil health, crop resilience, and farmer livelihoods while minimizing negative environmental outcomes. Recent studies suggest that RA practices may enhance the nutritional content of crops, but more research is needed to understand the extent of these effects and the specific management approaches and contexts that lead to improved crop nutritional quality.
FRONTIERS IN NUTRITION
(2023)
Article
Agronomy
Mesfin K. Desta, Martin R. Broadley, Steve P. Mcgrath, Javier Hernandez-Allica, Kirsty L. Hassall, Samuel Gameda, Tilahun Amede, Stephan M. Haefele
Summary: Zinc deficiencies are common in soils, affecting crop growth and human zinc intake. Soil factors play a significant role in grain zinc concentrations and uptake of crops, which is important for determining the effectiveness of agronomic biofortification.
FRONTIERS IN AGRONOMY
(2023)