Journal of Stored Products Research最新文献

{"title":"Effects of alternative hermetic bag storage on fermented and dried cocoa bean (Theobroma cacao L.)","authors":"Kenneth A. Foster ,&nbsp;Lina M. Suarez-Guzman ,&nbsp;Diana C. Meza-Sepulveda ,&nbsp;Dieudonne Baributsa ,&nbsp;Carlos A. Zurita","doi":"10.1016/j.jspr.2024.102351","DOIUrl":"https://doi.org/10.1016/j.jspr.2024.102351","url":null,"abstract":"<div><p>Cocoa beans, derived from the Cacao Tree (<em>Theobroma cacao</em> L.), are a cash crop among smallholder farmers in tropical regions. After harvest and processing, maintaining cocoa bean quality is critical to access lucrative markets. This paper examines the impact of hermetic storage on insect damage, mold, moisture content, and water activity of fermented and dried cocoa beans under farm conditions in collaboration with a farmer association of Belén de Umbría in Colombia. Three types of hermetic storage systems were assessed for a period of 12 months: Purdue Improved Crop Storage (PICS) bags, including both 2- and 3-layer variants, and Ecotact® hermetic storage bags, and plus traditional (<em>jute</em>) bags as a control. Regression analysis reveals varying effects across storage durations and treatments. Insect damage was significantly lower in hermetic bags compared to jute bags, with the trend increasing over storage period. Moisture content increased over time with hermetic bags maintaining more desirable levels compared to jute bags. While water activity increased with storage duration, there were minor differences between treatments. Mold presence varies, with jute bags showing lower presence initially, but no significant difference after three months of storage. Overall, results indicate that cocoa beans stored in regular PICS bags (3-layer, PICS3) exhibit superior quality than those stored in the other hermetic (PICS2 and Ecotact®) and jute bags. PICS (3-layer, PICS3) bag can be used to effectively maintain cocoa beans quality while building stocks for sale or processing. This information is valuable for smallholder farmers and cocoa value chain actors seeking to store cocoa beans for extended periods.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0022474X24001085/pdfft?md5=745ca74c8624c9d74efba9049fe949bd&pid=1-s2.0-S0022474X24001085-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141068914","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":"Natural pre-treatment in raisins production: Effects on quality during storage","authors":"Victoria Diniz Shimizu-Marin,&nbsp;Yara Paula Nishiyama-Hortense,&nbsp;Carolina Olivati,&nbsp;Ana Carolina Gonçales,&nbsp;Mariana de Souza Leite Garcia-Santos,&nbsp;Natália Soares Janzantti,&nbsp;Sebastião Roberto Taboga,&nbsp;Ellen Silva Lago-Vanzela","doi":"10.1016/j.jspr.2024.102342","DOIUrl":"https://doi.org/10.1016/j.jspr.2024.102342","url":null,"abstract":"<div><p>BRS Vitoria raisins were produced with a pre-treatment using a natural surfactant, i.e., extra-virgin olive oil (EVOO), to (i) better elucidate its action on the grape surface using scanning electron microscopy; (ii) evaluate its influence on the oleanolic and ursolic acid content of raisins through HPLC-DAD; (iii) assess raisins characteristics during 180-day storage at different temperatures by using physicochemical and microbiological analyses with multivariate-based chemometric methods (MASLT). Grapes which presented adequate physicochemical characteristics and high concentration of anthocyanins originated raisins similar to those reported in the literature. The pre-treatment accelerated the dehydration process (about 26%) mainly because of the non-uniform redistribution of the surface waxy components accompanied by the formation of microholes and cracks. The small amount of EVOO used did not affect the oleanolic acid content in raisins, yet this compound proved to resist drying, which means that there is no loss of wax during the pre-treatment. For both untreated (RW) and pre-treated raisins (RP), the main changes triggered over time were not related to microbiological characteristics. Most of the changes appeared to occur right during drying and not during storage for RW, whereas for RP the physicochemical characteristics that mostly correlated with the storage changes were total monomeric anthocyanins, total acidity, and total sugars; also, they tended to reach an equilibrium and equaled RW at the end of 180 days, especially at 35 °C. These parameters proved to be the main characteristics related to the changes triggered in raisins. For both raisins, sugar crystals were formed in the flesh, but they were not visible to the naked eye or perceived by consumers. The results show that it is highly desirable to have a high-quality product at the beginning of storage, which was possible thanks to the EVOO pre-treatment used.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140947521","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 position of seed perforation by cowpea weevils, Callosobruchus maculatus (F.), on viability and vigour of cowpea (Vigna unguiculata L. Walp) seed","authors":"Welile Mlando Dlamini ,&nbsp;Ida Wilson ,&nbsp;Petrus Johannes Pieterse ,&nbsp;Pieter Andreas Swanepoel","doi":"10.1016/j.jspr.2024.102347","DOIUrl":"https://doi.org/10.1016/j.jspr.2024.102347","url":null,"abstract":"<div><p>Cowpea, <em>Vigna unguiculata</em>, is a high-protein legume crop that is often susceptible to pest damage. The cowpea weevil, <em>Callosobruchus maculatus</em>, predates on cowpea seeds in storage which renders grain unsuitable for human consumption. In the larval stage, cowpea weevils consume food reserves from the seed endosperm and may deter seed germination. The problem is more pervasive among resource-poor farmers in Sub-Saharan Africa, who grow cowpea for subsistence and keep the surplus grain for sale and use it as seed in the subsequent growing seasons. Unsuitable storage structures and ineffective methods of weevil control may increase weevil infestation of cowpea seeds in storage which constrains the production of cowpeas. The aim of the study was to determine if the position of seed perforation by cowpea weevils affects seed viability and growth of cowpea seedlings. Undamaged cowpea seeds ‘black-eyed peas’ were infested with cowpea weevils and stored for three months to allow for infestation. Thereafter, seeds with a single perforation or hole were selected from the infested seed lot and sorted into groups of damage according to the position of the hole on the seed. Five categories of potential damage were identified namely seeds with holes on the top, bottom, side, back or hilum area of the seed as presented schematically in the paper. The positions of holes on seeds served as treatments for the study and undamaged seed served as control. Data on germination and seedling height were collected and analysed statistically. Results reveal that the position<del>s</del> of damage on seed affects seed germination and seedling height. Seed germination on day two was significantly poorer for seeds damaged at the top, relative to both undamaged seeds and the alternative sites of damage. The results of top damaged seed being inferior than other treatments, remained consistent for germination on day seven and for seedling height at two weeks after the first emergence. Small holder farmers should therefore refrain from planting top damaged cowpea seed.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0022474X24001048/pdfft?md5=61a5b4f5fed1b4a15ca3ee82e53dd139&pid=1-s2.0-S0022474X24001048-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140924377","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":"Efficacy of two amorphous silica powders applied to hard red spring wheat against the rice weevil, Sitophilus oryzae (L.) (Coleoptera: Curculionidae)","authors":"Selladurai Manivannan,&nbsp;Bhadriraju Subramanyam","doi":"10.1016/j.jspr.2024.102343","DOIUrl":"https://doi.org/10.1016/j.jspr.2024.102343","url":null,"abstract":"<div><p>Silica-based inert dusts, such as diatomaceous earth formulations, have emerged as potential alternatives to chemical insecticides in stored product protection against insect pests. In this study, we evaluated the efficacy of two amorphous silica powders, silica powder 1 and silica powder 2, applied to hard red spring wheat against the rice weevil, <em>Sitophilus oryzae</em> (L.). Laboratory experiments were performed using a 2 × 5 factorial design by exposing 25 adults of <em>S. oryzae</em> to 100 g of wheat in glass jars admixed with five different application rates, 0 (untreated control), 0.05, 0.15, 0.25, and 0.30 g/kg of silica powders 1 and 2. Untreated and treated wheat in jars were held inside a growth chamber at 28 °C and 65% r.h. with a light:dark photoperiod of 14:10 h. Each powder and application rate combination was replicated five times. Mortality assessments were made after 14 d, and the data on adult progeny production, insect-damaged kernels and grain weight loss were recorded at 42 d. Complete mortality of <em>S. oryzae</em> occurred after 14 d at an application rate of 0.25 g/kg of silica powder 2. No adult progeny production, insect-damaged kernels and grain weight loss were observed when adults were exposed to 0.30 g/kg of silica powder 1 and 0.25 g/kg of silica powder 2. Silica powder 2, characterized by high oil absorption capability and low pH (&lt;8.5), proved effective against <em>S. oryzae</em> than silica powder 1. The findings underscore the potential of both powders, particularly silica powder 2, in effectively managing <em>S. oryzae</em> infestations in stored wheat.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140924395","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":"Evaluating bag storage technologies for physical characteristics, loss reduction and economic viability in pulses","authors":"Abhinav Dubey ,&nbsp;Indra Mani ,&nbsp;Winny Routray ,&nbsp;S.M. Nebapure ,&nbsp;Roaf Ahmad Parray","doi":"10.1016/j.jspr.2024.102339","DOIUrl":"https://doi.org/10.1016/j.jspr.2024.102339","url":null,"abstract":"<div><p>Meticulous selection of storage bags is vital to optimize grain preservation, mitigate losses, and improve rural income. A comprehensive comparative evaluation of four different commercial pulse storage bag technologies (Jute bag, Woven polypropylene bag (WPP), Purdue Improved crop storage bag (PICS), and Grainpro bag) was conducted alongside novel polypropylene reinforced Jute storage bag (PPRJ). The storage bags were examined for their physical properties (unit weight, coefficient of friction, breaking strength), water vapour transmission rate (WVTR), and effectiveness in preserving pulse (Bengal gram (<em>Cicer arietinum</em>, Var. Swetha ICCV -2)) quality and quantity during storage. Unit weight was highest for jute bags (0.14 ± 0.080 g/cm²), which reduced by 35.9 % after reinforcement with polypropylene, and lowest for Grainpro bags (0.03 ± 0.002 g/cm²). Jute bag exhibited the highest breaking strength (181.0 ± 1.06 kgf), which decreased by 23.7 % after reinforcement. Synthetic fiber bags had lower breaking strength and coefficient of friction, limiting their stacking ability. WVTR of the jute bag reduced by 39.2 % after reinforcement. The PICS bag offered the highest protection to stored Bengal gram. Weight loss was more than <span><math><mrow><mn>25</mn><mspace></mspace><mo>%</mo></mrow></math></span> and <span><math><mrow><mn>10</mn><mspace></mspace><mo>%</mo></mrow></math></span> of the initial grain weight in Jute and WPP, respectively, due to inefficient barrier properties, whereas the PPRJ bag was similarly effective as hermetic bags. The benefit-cost ratio ranged between 0.219 and 0.297 for the three profit-yielding bags (PICS, Grainpro, and PPRJ). Polypropylene-reinforced jute bags represent a promising advancement in sustainable grain storage practices. The significance of establishing hermetic conditions to suppress insect populations and safeguard grain quality was reaffirmed in the study.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140905989","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":"Exploring physiological variables and lipid fraction characteristics in chia nutlets: Correlations with biophysical techniques across varieties with varying germinative power and vigor","authors":"María Emilia Rodríguez ,&nbsp;Lorena Deladino ,&nbsp;Aline Schneider-Teixeira ,&nbsp;Vanesa Y. Ixtaina","doi":"10.1016/j.jspr.2024.102346","DOIUrl":"https://doi.org/10.1016/j.jspr.2024.102346","url":null,"abstract":"<div><p>Understanding aging in seeds is vital for conservation and long-term preservation. This study examined the physiological and lipid characteristics of three chia varieties (WN, MNI, MNII) using conventional and biophysical methods to establish correlations and explore aging mechanisms. Variables assessed included thousand seed weight, moisture content (MC), and germination parameters, such as normal germination power (NGP), hypocotyl and radicle length, vigor, viability, as well as lipid characteristics, and thermal parameters. Physiological differences were prominent, especially in the MNII, with longer mean germination times (MGT = 2.11 d) and reduced NGP (63.24%). The WN variety exhibited superior germination (NGP = 95.9%), while MNI had an NGP of 93.2% and the highest vigor. Lipid analysis revealed significant differences, particularly in free fatty acid content (FFA). The oxidative status and tocopherol content were evaluated, with high germination in WN being associated with the combination of tocopherol isomers. The thermal analysis highlighted the predictive potential of ΔH for seed health and viability. Spectral analysis distinguished nutlets and oils, showcasing unique vibrational patterns. The correlation analysis revealed significant relationships crucial for conservation. MGT showed positive correlations with moisture content, electrical conductivity, and FFA, but negative correlations with germinated nutlets (GN) and normal seedlings (NS). MC positively correlated with FFA, abnormal seedlings (AS), and deteriorated nutlets, yet negatively correlated with GN and NS. Electrical conductivity emerged as a germination indicator, positively correlating with FFA and deteriorated nutlets, and negatively with GN and NS. δ-tocopherol content positively correlated with successful germination and NS, but negatively with AS. Thus, this research provides relevant knowledge on the conservation of chia nutlets by offering information on seed deterioration markers that can be obtained by FT-IR and DSC. This is particularly valuable for studying germplasm with a limited sample size, common in gene banks.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140905988","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":"Predictive modelling on the effects of the critical parameters in grain storage systems: A case study in the Philippines","authors":"Nanette Salazar ,&nbsp;June Anne Caladcad ,&nbsp;Ricky Villeta","doi":"10.1016/j.jspr.2024.102341","DOIUrl":"https://doi.org/10.1016/j.jspr.2024.102341","url":null,"abstract":"<div><p>Grain storage system plays a crucial role in preserving the quality and quantity of various grains including wheat kernels. Inefficient storage systems can result in spoilage, loss of quality, and reduction in quantity, leading to significant financial losses in the company. The quality of grains storage is influenced by several factors, including moisture content, protein content and falling number. In this study, the threshold, main, and interactions effects of critical parameters the identified critical parameters on grain storage quality were determined and modelled using ROC curve analysis and binary logistic regression analysis. The ROC curve analysis revealed a AUC of 0.992, 0.952, and 0.991 for moisture content, protein content, and falling number, respectively. Threshold values were also calculated and upon evaluation, the accuracies for all critical parameters yielded a significantly excellent result. The main effects of the critical parameters also significantly predicted the grain storage quality with <span><math><mrow><msup><mi>χ</mi><mn>2</mn></msup></mrow></math></span> of 353.26, p-value of 0.000, and <span><math><mrow><msup><mi>R</mi><mn>2</mn></msup></mrow></math></span> value of 61.81%. Furthermore, the interaction effects of the three critical parameters exhibited the greatest effect on grain storage quality. Through binary logistic regression model, the optimum quality grain storage is achieved at a moisture level of 11.42, protein level of 13.99, and a falling number of 443.55. These findings can be used as basis for the selected milling company and other grain storage companies to monitor these critical parameters and ensure a safe storage and quality grains. The study can be furthered improved by investigating other parameters that can determine grain storage quality.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140901161","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":"cgSSR marker based trait associations for Sitotroga cerealella (Olivier) resistance in stored paddy rice","authors":"Priyadarshini Kajal ,&nbsp;Sah Rameswar Prasad ,&nbsp;Adak Totan ,&nbsp;Guru Pirasanna Pandi G ,&nbsp;Mohammad Azharuddin T.P ,&nbsp;Anilkumar C. ,&nbsp;Mohapatra S.D. ,&nbsp;Basana Gowda G. ,&nbsp;Patil Naveenkumar B.","doi":"10.1016/j.jspr.2024.102340","DOIUrl":"https://doi.org/10.1016/j.jspr.2024.102340","url":null,"abstract":"<div><p>Rice is stored for a longer time and many primary and secondary insect pests attack grains, causing both quantitative and qualitative losses. Physicochemical characteristics of grain influence stored grain insect susceptibility and resistance. Identification of gene/Quantitative Trait Loci (QTLs) and introgression in the cultivars would provide the desired solution for varietal resistance against <em>S. cerealella.</em> A group of 80 rice varieties was used for genetic analysis for the identification of candidate genes responsible for <em>Sitotroga cerealella</em> resistance. Heat maps derived from values in the kinship matrix were used to group the varieties into three subpopulations. The largest subpopulation has 34 varieties, while the lowest had 19. The first three principal components (PCs) explained 16, 9, and 6 percent of total variation, respectively, as indicated by the Principal Component Analysis (PCA). The PCA results complemented the heat map results in defining population structure. Genome-wide association mapping can detect marker-trait associations/QTLs in a heterogeneous population of breeding lines, despite population structure and unequal family relatedness. As shown by the Genomic Association and Prediction Integrated Tool (GAPIT) heat map, there are three subpopulations in the association mapping panel. Two cgSSR markers, related to gene SDG725 and FLO2, were linked to the attributes and responsible for conferring resistance against <em>S. cerealella</em> infestation. This is the first report of association and that would help in the development of cultivar with <em>S. cerealella</em> resistance.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140901160","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 adaptive prowess of the lesser mealworm Alphitobius diaperinus (Coleoptera: Tenebrionidae): Insights from mouthpart morphology and mitogenomic analysis","authors":"Zhi-Teng Chen,&nbsp;Ning Ma","doi":"10.1016/j.jspr.2024.102345","DOIUrl":"https://doi.org/10.1016/j.jspr.2024.102345","url":null,"abstract":"<div><p>The lesser mealworm, <em>Alphitobius diaperinus</em> (Panzer, 1797), is a pervasive pest known to infest stored products and poultry facilities worldwide, posing significant challenges for pest management. Understanding its adaptability to diverse environments is crucial for devising effective control strategies. This study investigated adult mouthparts and analyzed the mitogenome of <em>A. diaperinus</em> using specimens obtained from a cat litter box. The examination of mouthparts revealed notable intraspecific variations, suggesting potential adaptations to different ecological conditions. Analysis of the mitogenomes unveiled nucleotide variations in protein-coding genes (PCGs), ribosomal RNA genes (rRNAs), and the control region, with all mutations in PCGs being nonsynonymous, primarily occurring at the second codon positions. Evaluation of Ka/Ks ratios indicated purifying selection acting on the PCGs of <em>A. diaperinus</em>. Phylogenetic analyses consistently placed the newly sequenced sample within the same clade as previously sequenced <em>A. diaperinus</em> samples. The presence of <em>A. diaperinus</em> in cat litter highlights its remarkable adaptability to diverse habitats. Furthermore, intraspecific variation in mouthpart morphology and the mitogenome suggests ongoing adaptations to various food sources and environmental niches. These findings underscore the dynamic nature of <em>A. diaperinus</em> adaptations and emphasize the importance of continued research for effective pest management strategies.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140901313","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":"Boron compounds are effective on Sitophilus granarius (Coleoptera: Curculionidae) and Rhyzopertha dominica (Coleoptera: Bostrichidae)","authors":"Sait Ertürk ,&nbsp;Turgut Atay ,&nbsp;Mustafa Alkan ,&nbsp;Şaban Kordalı ,&nbsp;Ferah Yılmaz ,&nbsp;Solmaz Ghanbari ,&nbsp;Cansu Doğan ,&nbsp;Umut Toprak","doi":"10.1016/j.jspr.2024.102337","DOIUrl":"https://doi.org/10.1016/j.jspr.2024.102337","url":null,"abstract":"<div><p>In the current study, the insecticidal efficacy of disodium octaborate tetrahydrate (Etidot-67), ammonium tetrafluoroborate (ATFB), sodium metaborate tetrahydrate (SMT), and calcium metaborate (CMB) was evaluated at doses of 500, 750, 1000, and 1250 ppm via diet delivery on <em>Sitophilus granarius</em> (Linnaeus, 1875) (Coleoptera: Curculionidae) and <em>Rhyzopertha dominica</em> (Fabricius, 1792) (Coleoptera: Bostrichidae) under laboratory conditions at 25 ± 1 °C, 60 ± 5% relative humidity, and continuous dark. Dead insects were recorded 5–21 days after application with three replications each repeated three different times. Etidot-67 showed complete mortality against <em>S. granarius</em> at 1000 ppm on the 17^th day, while CMB showed 99.9% mortality at 1250 ppm on the 21^st day. <em>Rhyzopertha dominica</em> was completely controlled with Etidot-67 treatment at 1250 ppm on the 21^st day, whereas CMB led to 93.7% mortality at a dose of 1000 ppm 21 days after treatment. ATFB and SMT showed no significant activity at any dose or time interval. The progeny production (F₁) was assessed following a 45-day exposure period. The highest F₁ suppression rate (92.8%) for <em>S. granarius</em> was detected from Etidot-67, while a complete suppression rate for <em>R. dominica</em> was detected from Etidot-67. The two most effective boron compounds, Etidot-67 and CMB led to reduced triglyceride levels and body weight loss in <em>R</em>. <em>dominica</em>. However, the reduction in the triglyceride levels and body weight loss in <em>S. granarius</em> by both compounds was obtained only via diet delivery; therefore, an anti-feeding effect is also possible. Finally, scanning electron microscopy showed smaller, indented, and relatively uniform particles for CMB, unlike the Etidot-67. Overall, Etidot-67 and CMB have promising potential in stored product pest management.</p></div>","PeriodicalId":17019,"journal":{"name":"Journal of Stored Products Research","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140880110","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}