Journal of Stored Products Research最新文献

{"title":"Influence of temperature and maize genotypes on the population dynamics of Sitophilus zeamais Motschulsky 1885 (COLEOPTERA: CURCULIONIDAE) and grain quality during storage","authors":"Diaine Cortese ,&nbsp;Gisele Silva de Oliveira ,&nbsp;Marcos Gino Fernandes","doi":"10.1016/j.jspr.2025.102564","DOIUrl":"10.1016/j.jspr.2025.102564","url":null,"abstract":"<div><div>Post-harvest losses in maize caused by <em>Sitophilus zeamais</em> represent a significant challenge to global grain storage systems. This study investigated the effects of temperature and corn genotype on <em>S. zeamais</em> population dynamics during six months of storage. Eight maize genotypes (Nutricional Embrapa, Cinquentinha, Palha Roxa, Sol da Manhã, Roxo, BR 451 QPM, Catingueira, and Asteca Vermelho) were evaluated under four temperature regimes (15, 20, 25, and 30 °C). Parameters assessed included insect emergence, weight, grain weight loss, and residual weight. Chemical composition (starch, protein, and lipid content) was analyzed to explore potential resistance mechanisms. Temperature significantly influenced <em>S. zeamais</em> development. Low temperatures (15 °C) suppressed insect emergence and grain degradation across all genotypes, while higher temperatures (25–30 °C) amplified pest activity, particularly in susceptible genotypes (Cinquentinha, Palha Roxa). Resistant genotypes (Nutricional Embrapa, Asteca Vermelho) consistently demonstrated reduced insect emergence, weight, and grain losses, likely due to enhanced kernel hardness, biochemical defenses, and nutritional profiles. Lipid and protein content varied significantly among genotypes, influencing pest feeding efficiency and reproduction. Susceptible genotypes showed higher weight loss and residual grain mass, exacerbated by fungal contamination at higher temperatures. The integration of resistant genotypes and temperature management effectively mitigates <em>S. zeamais</em> infestations, preserving grain quality and reducing post-harvest losses. These findings underscore the importance of genotype selection in integrated pest management and highlight the need for further research into the genetic and biochemical traits associated with resistance. Combining resistant genotypes with sustainable storage practices offers a promising strategy for grain preservation in diverse environmental conditions.</div></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"111 ","pages":"Article 102564"},"PeriodicalIF":2.7,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143238271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of conditions and packaging materials on physiological quality parameters of wheat seeds during storage","authors":"Shereen Shafat ,&nbsp;Kuntal Bera ,&nbsp;Soham Mukherjee ,&nbsp;Bigyananda Mutum ,&nbsp;Kajal Mog Chaudhuri ,&nbsp;Puspendu Dutta","doi":"10.1016/j.jspr.2025.102566","DOIUrl":"10.1016/j.jspr.2025.102566","url":null,"abstract":"<div><div>Wheat belongs to the genus <em>Triticum</em> under the Poaceae family and plays a vital role in food and nutritional security. High-quality, vigorous seeds ensure ideal plant populations and better combat early abiotic and biotic challenges. This study evaluated the effects of storage conditions, containers, and packaging materials on the quality of wheat seeds over time. The experiment used a completely randomized design with three factors: temperature (ambient vs. controlled at 22 ± 1 °C), containers (desiccator vs. plastic container), and packaging (cloth, paper, PVC ziplock). Seed quality parameters, including germination, electrical conductivity, lipid peroxidation, and hydrogen peroxide content, were assessed. The results showed that seed quality declined gradually with storage time, but the effects of storage factors varied significantly. After six months, higher germination was observed in controlled temperature with desiccator storage, particularly in cloth (71%) and paper (71%) packaging. No germination was found in ambient conditions with plastic container storage for cloth and paper. Biochemical parameters indicated increased deterioration over time. Controlled temperature storage at 22 ± 1 °C was significantly better for maintaining high seed quality compared to ambient conditions. PCA and cluster analyses proved that desiccator storage was more effective than plastic container, and PVC ziplock packaging also outperformed cloth and paper particularly under ambient conditions. These findings highlight the importance of optimizing storage conditions to preserve wheat seed quality and viability during prolonged storage.</div></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"111 ","pages":"Article 102566"},"PeriodicalIF":2.7,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143104950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Uninvited guests: New stored mangrove rice insect pests in Guinea-Bissau","authors":"Sofia Conde ,&nbsp;Filipa Monteiro ,&nbsp;Sílvia Catarino ,&nbsp;Maria Rosa Ferreira ,&nbsp;Sónia Ferreira","doi":"10.1016/j.jspr.2025.102567","DOIUrl":"10.1016/j.jspr.2025.102567","url":null,"abstract":"<div><div>Mangrove swamp rice is vital for food security in Guinea-Bissau, yet insect infestations cause significant post-harvest losses worldwide. This study identified insect pests affecting stored rice seeds using both morphological identification and DNA barcoding. In 2022, 64 rice samples were collected from 13 villages across 3 coastal regions yielding 1504 insect specimens, classified into 13 morphotypes from Coleoptera, Lepidoptera, and Hemiptera orders. DNA barcoding confirmed the identity of six species, including global primary rice pests <em>Sitophilus oryzae</em> Hustache, 1930, <em>Rhyzopertha dominica</em> (Fabricius, 1792), and <em>Sitotroga cerealella</em> (Olivier, 1789), and the secondary pests <em>Tribolium castaneum</em> (Herbst, 1797) and <em>Cryptolests pusillus</em> (Schénherr, 1817). This is the first record of these taxa in mangrove swamp rice seeds in West Africa. Four species are reported for the first time to Guinea-Bissau: <em>S. oryzae</em>, <em>C. pusillus</em>, <em>Platymetopus vestitus</em> Dejean, 1829 (Coleoptera), and <em>S. cerealella</em> (Lepidoptera). Among these, <em>R. dominica</em> had the highest relative abundance (68%), while <em>S. oryzae</em> appeared in all regions. R<em>hyzopertha</em> dominica and <em>S. cerealella</em> were prevalent in Cacheu and Oio. Their widespread presence across Africa suggests a broader distribution. Effective management strategies include hermetic storage, cleaning, biological control, and efficient drying techniques. This study holds significant importance as it presents findings related to the under-researched African rice species (<em>Oryza glaberrima</em>) and a specialized cultivation system: mangrove swamp rice. Findings offer valuable insights into storage practices to enhance food security in rice-producing regions and pave the way for future research on pest management and sustainable rice storage solutions.</div></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"111 ","pages":"Article 102567"},"PeriodicalIF":2.7,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143104949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Chemical profile, insecticidal and repellent activities of four underexplored Moroccan essential oils against Sitophilus oryzae","authors":"Mbarek Ouabou ,&nbsp;Houssam Annaz ,&nbsp;Filippo Maggi ,&nbsp;Marta Ferrati ,&nbsp;Eleonora Spinozzi ,&nbsp;Amal El Amrani","doi":"10.1016/j.jspr.2025.102552","DOIUrl":"10.1016/j.jspr.2025.102552","url":null,"abstract":"<div><div>This study aims to evaluate the chemical composition and insecticidal and repellent effects of essential oils (EOs) extracted from four underexplored Moroccan plants, i.e., <em>Deverra denudata, Micromeria macrosiphon, Ruta angustifolia,</em> and <em>Thymus riatarum,</em> against the rice weevil <em>Sitophilus oryzae</em>. The chemical composition of the EOs was determined through gas chromatography-mass spectrometry (GC-MS) analysis. Moreover, the insecticidal effect was assessed through fumigant and contact assays, while the repellent effect was evaluated using the area preference assay. Regarding the chemical composition, <em>α</em>-pinene (42.7%) and <em>β</em>-pinene (40.5%) were the major compounds of <em>D. denudata</em> EO, while bornyl acetate (30.2%), borneol (20.4%), and camphor (12.5%) dominated in <em>M. macrosiphon</em> EO. Regarding <em>R. angustifolia</em> EO, 2-undecanone (90.2%) and 2-decanone (7.5%) were identified as the main constituents. Finally, <em>T. riatarum</em> EO was dominated by <em>p</em>-cymene, carvacrol, and borneol in percentages of 26.8, 25.0, and 13.5%, respectively. Regarding the fumigant toxicity, all EOs displayed strong efficacy after 72 h of exposure with LC₅₀ values comprised between 73.9 and 85 μL/L of air, and <em>D. denudata</em> EO appeared to be the most toxic. Regarding the contact toxicity, all EOs exhibited a strong effect, where <em>R. angustifolia</em> EO was the most toxic after 24 h (LC₅₀ of 0.13 μL/insect), and <em>M. macrosiphon</em> after 72 h (LC₅₀ value of 0.08 μL/insect). On the contrary, <em>T. riatarum</em> EO exhibited the highest percentages of repellence (PR of 92%) at the lowest concentration (0.019 μL/cm²) after 30 min, while <em>R. angustifolia</em> EO after 4 h (PR of 90%) at (0.019 μL/cm²). Finally, for the long-term exposure (24 h), <em>T. riatarum</em> exhibited the highest PR of 86 and 94% at 0.019 μL/cm² and 0.156 μL/cm², respectively. Overall, our study has reported for the first time the insecticidal and repellent effects of EOs from the four Moroccan plants against the rice weevil <em>S. oryzae</em>, underscoring their potential as efficient bio-insecticides for the management of stored product pests.</div></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"111 ","pages":"Article 102552"},"PeriodicalIF":2.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143104948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The choice of maize (Zea mays L.) storage facility among farmers in the Sissala East District in northern Ghana: What are the determinants?","authors":"Aziz Abdulai Adams ,&nbsp;Mary Nana Anima Akrofi ,&nbsp;Daniel Bruce Sarpong","doi":"10.1016/j.jspr.2025.102571","DOIUrl":"10.1016/j.jspr.2025.102571","url":null,"abstract":"<div><div>Maize (<em>Zea mays</em> L.) is crucial to food security in Ghana but is characterized by high postharvest losses (PHLs) resulting from the use of traditional storage structures. As poverty and food insecurity are rampant in northern Ghana, improved storage of maize, a staple food, is vital for boosting household food security. This study analyzed factors influencing farmers’ choice for improved maize storage facilities in the Sissala East District, a vital supplier of maize to neighboring districts in the Upper West Region and Ghana at large, where maize farming is the main source of income for farmers. Twenty-one communities and 132 maize farmers were surveyed. A multi-stage sampling technique was employed: purposive selection of the communities followed by a random selection of maize farmers from each community. Traditional storage facilities are still prevalent, while most farmers use small facilities with a maximum stocking capacity of 50 bags of 100 kg of maize. Many farmers used <em>Corchorus olitorius</em> (jute) sacks, while only five communities had a common warehouse. Regression results show that smallholder farmers with access to extension services were more likely to use improved storage facilities like warehouses, silos, and improved barns and storerooms. Farm characteristics such as farm size and productivity were strong determinants of the choice of an improved storage facility. Also, socio-economic factors such as age of the farmer, number of years in farming (experience), and access to non-farm income sources were associated with the use of improved maize storage facilities. PHLs, as a share of the average output of maize harvested per annum, were higher for farmers using traditional storage than improved storage. Extension services on improved methods of maize storage to boost adoption, improve maize productivity, and increase food availability are recommended. Community warehouses should be constructed. Sensitization on the extent of PHLs should be emphasized.</div></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"111 ","pages":"Article 102571"},"PeriodicalIF":2.7,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143104947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Postharvest plasma treatment of Barhi dates: Reducing pesticide residue while preserving nutritional value","authors":"Malihe Omrani ,&nbsp;Mohammad Mohammadi ,&nbsp;Mojtaba Ghasemi ,&nbsp;Hossein Sadeghi","doi":"10.1016/j.jspr.2025.102568","DOIUrl":"10.1016/j.jspr.2025.102568","url":null,"abstract":"<div><div>Pesticide residues are available in a broad range of fruits, vegetables, and foods which leave harmful effects on health and environmental sustainability. Most agricultural products exposed to pesticides are marketed shortly after spraying. Palm growers widely use Abamectin and Fenpyroximate to control spider mites. After spraying, some date cultivars such as Barhi date are mostly used as fresh fruit by the consumer without passing the pre-harvest interval (PHI). The efficacy of Gliding Arc Discharge Plasma (GADP) on the degradation of Abamectin and Fenpyroximate pesticides was investigated. The GADP irradiation treatment included 0, 30, 60, 90, and 120s irradiation times applied on the surface of Barhi date fruits sprayed with Abamectin and Fenpyroximate at three different concentrations. The amount of mineral elements, total carbohydrate content, pH, microbial load, Abamectin and Fenpyroximate residue, and optical emission spectroscopy (OES) of plasma were measured. The ANOVA indicated that the impact of the irradiation times was significant on the residue amount of the pesticides in the Khalal stage. The potassium content of Barhi date fruit increased after GADP treatment. Although there were few alterations in the levels of P, Mg, total carbohydrate, and pH. Results show that the microbial load decreased significantly after plasma treatment whilst the lowest microbial load belongs to 120s treatment. Results achieved the largest degradation efficiency of pesticides at 1 ml/L, up to 89.4% and 89.3%, respectively during 120s GADP treatment. Also, the results showed that the degradation efficiency increased with an increase in the treatment time. This study demonstrates effective pesticide degradation in the Barhi date Khalal stage while meeting the Maximum Residue Limit (MRL) criteria. Thus, cold plasma technology presents a promising approach to enhance food safety through effective pesticide degradation on fruit surfaces whilst preserving the fruits' essential mineral content, quality, and extending their shelf life by reducing microbial contamination.</div></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"111 ","pages":"Article 102568"},"PeriodicalIF":2.7,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143104946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Two novel densoviruses from storage pests insects (Zophobas morio and Tenebrio molitor) in Türkiye: Genomic and ultrastructural comparison","authors":"Yasemin Aş,&nbsp;Zeynep Selvitopi,&nbsp;Gözde Büşra Eroğlu","doi":"10.1016/j.jspr.2025.102549","DOIUrl":"10.1016/j.jspr.2025.102549","url":null,"abstract":"<div><div>Densoviruses are small, linear, single-stranded DNA viruses that are 18–28 nm in size and can be filtered. Densoviruses are also known as the ‘black wasting virus' because they cause acute infections in their hosts, causing them to turn black and die. In this study, densoviruses were isolated for the first time from the larvae of the storage pests <em>Tenebrio molitor</em> and <em>Zophobas morio</em> in Türkiye. Although both warehouse pests are consumed as pet food and, in some countries, as human food, they are known to cause respiratory problems such as asthma, anaphylaxis, and separation anxiety. Isolated viruses in this study, named TmDNV-TR and ZmDNV-TR, respectively. Morphological and molecular characterizations of both isolates were performed. Transmission electron microscopy analyses showed that the viruses had a circular inclusion morphology with mean diameters of 22.19 nm (ZmDNV-TR) and 28.95 nm (TmDNV-TR), and TmDNV-TR was significantly larger than ZmDNV-TR. Genomic analysis revealed that the 5467 bp region contained five open reading frames (ORFs) in both viral genomes. The genomic similarity between the isolates was found to be 98.92% and there were amino acid variations, particularly in non-structural 3 (<em>ns</em>3). Interestingly, the phylogenetic tree based on the ZmDNV-TR genome sequence and the results of the Kimura-2 parameter analysis showed a close relationship with a Blattella germenica densovirus. When the genome was digested <em>in silico</em> with restriction enzymes (<em>Bsm</em>AI, <em>Ape</em>KI, and <em>Bbv</em>I), it was observed that there was an excess of bands in ZmDNV-TR compared to TMDNV-TR for all three enzymes. In this study, for the first time, two different densovirus isolates were obtained from the same insect breeding farm and compared in terms of both structural size and genomics. The spontaneous death of many insects in the breeding farm suggests that this epidemic is vertically transmitted and may be an ideal biological control agent.</div></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"111 ","pages":"Article 102549"},"PeriodicalIF":2.7,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143181474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Individual and combined effects of Juniperus phoenicea and J. oxycedrus powders on insecticidal activity against Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) and Rhyzopertha dominica (Fabricius) (Coleoptera: Bostrichidae)","authors":"Imane Naimi,&nbsp;Hafida Bouamama,&nbsp;Touria Ba M'hamed","doi":"10.1016/j.jspr.2025.102573","DOIUrl":"10.1016/j.jspr.2025.102573","url":null,"abstract":"<div><div><em>Tribolium castaneum</em> (Herbst) and <em>Rhyzopertha dominica</em> (Fabricius) are two major beetle pests that affect the quality and commercial value of stored products. The aim of this study is to evaluate the insecticidal effect of <em>Juniperus phoenicea</em> and <em>Juniperus oxycedrus</em>, as well as their binary combinations, against adults of <em>T. castaneum</em> and <em>R. dominica</em>. Masses of 1, 1.5, 2, 2.5, and 3 g were used for each plant powder as well as for their binary combination (75% of <em>J. phoenicea</em> powder and 25% of <em>J. oxycedrus</em>). The results obtained revealed that the two powders tested separately revealed a notable effectiveness against <em>T. castaneum</em> and <em>R. dominica</em>. In particular, <em>J. phoenicea</em> is the most toxic against <em>T. castaneum</em> (LD₅₀ = 0.52 g) after 240 h of exposure, and <em>R. dominica</em> (LD₅₀ = 0.60 g) after 192 h of exposure. In combination, the powders showed increased toxicity against <em>T. castaneum</em> (LD₅₀ = 0.55 g) and <em>R. dominica</em> (LD₅₀ = 0.42 g) after 144 h of exposure. The potential of these powders may prove to be an effective and environmentally friendly method of preventing infestations of <em>T. castaneum</em> and <em>R. dominica</em> adults<em>.</em></div></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"111 ","pages":"Article 102573"},"PeriodicalIF":2.7,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143181472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The contribution of Escherichia coli to phosphine resistance of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae)","authors":"Zhengyan Wang ,&nbsp;Zhiyuan Liu ,&nbsp;Qiong Luo ,&nbsp;Zhenzhen Chang ,&nbsp;Xin Du ,&nbsp;Yonglin Ren","doi":"10.1016/j.jspr.2025.102570","DOIUrl":"10.1016/j.jspr.2025.102570","url":null,"abstract":"<div><div>Development of resistance in major stored grain pests to the key fumigant phosphine across the globe has threatened its status as a reliable fumigant. It is urgent to find alternative approaches to control stored grain pests. Knowledge about the mechanism of phosphine resistance will help develop novel pest control strategies. Many studies have shown that symbiotic microbes have positive impacts on host pesticide resistance. As <em>Escherichia coli</em> was isolated from the gut of one strain of <em>Tribolium castaneum</em> (Herbst) (Coleoptera: Tenebrionidae) in our previous study, here we isolated <em>E. coli</em> from phosphine-resistant <em>T. castaneum</em> in order to clarify its relationship with phosphine resistance of <em>T. castaneum</em>. A strain of <em>E. coli</em> isolated from the gut of phosphine-resistant adult <em>T. castaneum</em> significantly increased phosphine resistance of adult <em>T. castaneum</em>. Phosphine exposure had negative transgenerational effects on population fitness and decreased the content of phosphocholine (PC) and phosphatidylethanolamine (PE) of <em>T. castaneum</em>. Inoculation of sterile beetles with <em>E</em>. <em>coli</em> improved population fitness and increased the content of PC, PE, and total lipids of <em>T. castaneum</em>, especially in the presence of phosphine. These results suggest that <em>E. coli</em> increases phosphine resistance of <em>T. castaneum</em> by improving its population fitness, and lipid metabolism regulated by <em>E. coli</em> may play a very important role in it. Further study on the physiological mechanisms that underlie how <em>E. coli</em> regulates host lipid metabolism will help reveal the mechanism of phosphine resistance of <em>T. castaneum</em>.</div></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"111 ","pages":"Article 102570"},"PeriodicalIF":2.7,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143181469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of neem leaf extract on physiochemical traits and antioxidant activity of peach fruit during storage","authors":"Jianhui Li ,&nbsp;Muhammad Hanif ,&nbsp;Muhammad Azam ,&nbsp;Muhammad Arslan Khan ,&nbsp;Muhammad Ali Umer ,&nbsp;Beenish Chaudhary ,&nbsp;Imtiaz Hussain ,&nbsp;Tariq Aziz Khan ,&nbsp;Shoaib ur Rehman ,&nbsp;Muhammad Awais ,&nbsp;Riadh Ilahy ,&nbsp;Hongru Liu ,&nbsp;Yi Lyu","doi":"10.1016/j.jspr.2025.102555","DOIUrl":"10.1016/j.jspr.2025.102555","url":null,"abstract":"<div><div>The application of plant derived extracts is increasingly becoming effective, environmentally friendly, innovative alternative approaches used to manage and control postharvest senescence, preserving quality, and maintaining storage life of horticultural crops. Neem extract is characterized by antioxidative, antifungal, antibacterial properties and contains several bioactive compounds which help reduce postharvest senescence and prolong shelf life. Peach fruits are perishable with short shelf life attributable to elevated respiration and transpiration rate afterward postharvest. Thus, contemporary research aimed to examine the impact of neem leaf extract (NLE) application using different concentrations (control, 10%, 20%, and 30% NLE) on the antioxidant activity and physiochemical characteristics of peach fruit over nine-day period under room temperature storage. Results indicated that NLE (30%) significantly diminished weight loss, decay, and respiration rate whereas yielding higher firmness than control. Moreover, peach fruit treated with NLE showed higher titratable acidity compared to untreated fruits, but their ripening index and soluble solids content were lower than control fruits. Furthermore, NLE-treated peach fruits preserved a much greater total phenolic and ascorbic acid content associated with lower total, reducing and non-reducing sugar contents than the control fruits. Enzymatic antioxidant activity including superoxide dismutase, peroxidase, catalase and protein content were significantly higher in 30%-treated peach fruit NLE compared to control fruits. Practically, these verdicts suggested that postharvest application of NLE 30% might be a useful strategy for maintaining peach fruit quality and extending its storage life for up to nine days.</div></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":"111 ","pages":"Article 102555"},"PeriodicalIF":2.7,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143181473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}