Crop Protection最新文献

{"title":"Occurrence, molecular identification and phylogenetic analyses of viruses associated with garlic viral complex in Nepal","authors":"Subhas Neupane ,&nbsp;Hae-Ryun Kwak ,&nbsp;Nabin Sharma Poudel ,&nbsp;Nisha Rokaya ,&nbsp;Ritesh Kumar Yadav ,&nbsp;Sundar Man Shrestha ,&nbsp;Hong-Soo Choi ,&nbsp;Hira Kaji Manandhar","doi":"10.1016/j.cropro.2024.107103","DOIUrl":"10.1016/j.cropro.2024.107103","url":null,"abstract":"<div><div>Garlic is a major spice crop in Nepal. A number of pathogens, including viruses, are known to cause economically important diseases in garlic. Garlic leaves showing leaf curl and mosaic symptoms and thirteen garlic accessions were collected from 12 districts. The accessions were planted under both the field and vector-free conditions. The leaf samples, collected directly from the fields and representative leaf samples from both field and vector-free growing conditions, were subjected to reverse transcription polymerase chain reaction (RT-PCR). Species of <em>Potyvirus</em> [(onion yellow dwarf virus (OYDV) and leek yellow stripe virus (LYSV)], <em>Carlavirus</em> [(shallot latent virus (SLV) and garlic common latent virus (GarCLV)], and <em>Allexivirus</em> [garlic virus A, D, H, and X (GarV-A, -D, -H, and –X)] were detected in mixed infections. Sequence and phylogenetic analyses showed that LYSV, OYDV, and GarCLV were closest to Indian isolates (including one LYSV isolate close to an Iranian isolate), SLV was close to Chinese isolates, and allexiviruses were close to Indian, Korean, and Chinese isolates. To our knowledge, this is the first report of SLV, GarV-A, GarV-D, GarV-H, and GarV-X in Nepal. The findings warrant plant quarantine measures and concerted research for their effective management.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107103"},"PeriodicalIF":2.5,"publicationDate":"2024-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142935982","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":"Management of Helicoverpa armigera via plant-mediated RNA interference, progresses and challenges","authors":"Mingming Jiang ,&nbsp;Yao Zhang ,&nbsp;Chuming Chen,&nbsp;Ludan He,&nbsp;Shengchun Li","doi":"10.1016/j.cropro.2024.107101","DOIUrl":"10.1016/j.cropro.2024.107101","url":null,"abstract":"<div><div>Cotton bollworm <em>Helicoverpa armigera</em> (Hübner) (Lepidoptera Noctuidae) is a major agricultural pest that causes significant yield losses of crop plants each year. In the past few decades, the potent approaches of <em>H</em>. <em>armigera</em> control, including chemical insecticides and <em>Bacillus thuringiensis</em> (<em>Bt</em>) toxins, have been constrained due to health hazards, environmental contamination, and development of resistance, after their extensive application. Thus, there is need to find alternative strategies for <em>H</em>. <em>armigera</em> management. Expression of insect-targeted RNA interference (RNAi) constructs in host plants has emerged as one of such a novel and environment friendly strategies. However, various factors, such as highly active nucleases and high pH in the midgut, as well as failure of small interfering RNA to escape the endosome, lead to relatively low RNAi efficiency in lepidopteran insects. Although most plant-mediated RNAi experiments compromised insect development and growth of <em>H</em>. <em>armigera</em>, full protection of transgenic plants against <em>H</em>. <em>armigera</em> was not achieved and no commercially available product has yet been developed for <em>H</em>. <em>armigera</em> control. A clear understanding of the current status of RNAi utilization in <em>H</em>. <em>armigera</em> control is critical for improving its efficiency. In this review, we summarize the recent advances in plant-mediated RNAi for <em>H</em>. <em>armigera</em> control, including target gene selection, double stranded RNA or artificial microRNA expression from nuclear or plastid genome, and protection of RNAi molecules from degradation by nucleases. Additionally, we highlight factors influencing the efficacy of plant-mediated RNAi, and discuss the future research of this plant genetic engineering strategy for achieving effective management of <em>H. armigera</em>.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107101"},"PeriodicalIF":2.5,"publicationDate":"2024-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142986182","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":"Insecticide resistance status and vector potential of Bemisia tabaci populations on vegetable crops in Türkiye","authors":"Arda İnak ,&nbsp;Berke Demirci ,&nbsp;Esengül Erdem ,&nbsp;Filiz Randa-Zelyüt ,&nbsp;Ali Karanfil ,&nbsp;Ahmednur Yusuf Idan ,&nbsp;Umut Toprak ,&nbsp;Emre İnak ,&nbsp;Thomas Van Leeuwen","doi":"10.1016/j.cropro.2024.107097","DOIUrl":"10.1016/j.cropro.2024.107097","url":null,"abstract":"<div><div>The sweet potato whitefly <em>Bemisia tabaci</em> (Gennadius, 1889) (Hemiptera: Aleyrodidae), is an economically important polyphagous pest species with a global distribution. This pest not only causes direct damage by sucking plant phloem sap but also transmits viruses and excretes honeydew, which can lead to the formation of black sooty mould, thereby intensifying its significance in agricultural regions. Although chemical insecticides have been extensively used for whitefly control, the development of resistance leading to control failures has been frequently documented. Here, we have initially assessed the efficacy of four commonly used insecticides (acetamiprid, sulfoxaflor, spirotetramat, cyantraniliprole) against whitefly populations through greenhouse trials across eight distinct locations. Additionally, we conducted a comprehensive molecular screening of 35 field populations to identify resistance mutations at the insecticide target sites and to detect plant pathogenic viruses. The results revealed that sulfoxaflor and cyantraniliprole exhibited the highest efficacy against nymphal stages of whiteflies, whereas acetamiprid was determined to be the most effective insecticide against adult stages. Several well-known target-site mutations in acetylcholinesterase (F331W), voltage-gated sodium channel (VGSC; M918L, L925I, T929V), and acetyl-CoA carboxylase (A2083V) were found to be widespread in <em>Turkish B. tabaci</em> populations. Additionally, two mutations, I936V and I936F, previously associated with pyrethroid resistance, were identified for the first time in the VGSC of <em>B. tabaci</em>. Conversely, no amino acid substitutions were detected in the amplified fragments of the ryanodine and nicotinic acetylcholine receptors. Furthermore, tomato chlorosis virus (ToCV) was detected in five field populations from Antalya. The widespread distribution of whitefly populations with multiple resistance mutations underscores the necessity of implementing integrated pest management programs in Turkish vegetable production areas.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107097"},"PeriodicalIF":2.5,"publicationDate":"2024-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142935983","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":"First report of brown rot caused by Monilia yunnanensis on kiwiberry (Actinidia arguta) in China","authors":"Xiaoyan Yu ,&nbsp;Zhenhua Zhao ,&nbsp;Bowen Guo ,&nbsp;Kuan Zhang ,&nbsp;Jiayi Liu ,&nbsp;Wenshuai Song ,&nbsp;Hanxun Ju ,&nbsp;Xiangjing Wang ,&nbsp;Wensheng Xiang ,&nbsp;Junwei Zhao","doi":"10.1016/j.cropro.2024.107102","DOIUrl":"10.1016/j.cropro.2024.107102","url":null,"abstract":"<div><div>Kiwiberry (<em>Actinidia arguta</em>) is one of the most nutritious fruits in China, with edible and traditional medicinal values. Brown rot, caused by different species of <em>Monilia</em>, is a common and severe postharvest disease of fruit. In September and October 2023, kiwiberry brown rot was observed in several fruit supermarkets in Harbin, Heilongjiang Province. Fungal isolates were obtained from the edges of lesions on fruit with typical symptoms and identified as <em>M</em>. <em>yunnanensis</em> on the basis of morphological characteristics (colonies and conidia) and multi-locus phylogenetic analyses (ITS, <em>TUB</em>, and <em>lcc2</em>). Pathogenicity experiments showed that <em>M</em>. <em>yunnanensis</em> was able to infect kiwiberry fruit and cause symptoms of brown rot, demonstrating that <em>M</em>. <em>yunnanensis</em> was the causal agent of kiwiberry brown rot. In the present study, we reported for the first time that <em>M</em>. <em>yunnanensis</em> was the causative agent of kiwiberry brown rot, thus laying the foundation for the subsequent development of reasonable and effective postharvest fruit control measures.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107102"},"PeriodicalIF":2.5,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142911699","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":"Assessing parasitism and suitability of three Trichogramma parasitoids Tuta (=Phthorimaea) absoluta (Meyrick) based on parasitoid and host ages","authors":"Zheng-Xiong Jiang ,&nbsp;Shun-Wen Zhou ,&nbsp;He-Min Yi ,&nbsp;Ying Sun ,&nbsp;Jin-Long Zhang ,&nbsp;Guo-Hua Chen ,&nbsp;Lu-Yi Du ,&nbsp;Xiao-Ming Zhang","doi":"10.1016/j.cropro.2024.107099","DOIUrl":"10.1016/j.cropro.2024.107099","url":null,"abstract":"<div><div>As a major invasive pest, <em>Tuta</em> (=<em>Phthorimaea</em>) <em>absoluta</em> (Lepidoptera: Gelechiidae) poses a substantial threat to tomato production. The use of egg parasitoids from the family Trichogrammatidae (Hymenoptera) has been identified as a potential biological option for controlling <em>T. absoluta</em>. Furthermore, these parasitoids demonstrate effectiveness in parasitizing and managing pests in outdoor settings. Thus, understanding the effects of parasitoid species and host age on <em>Trichogramma</em> parasitism of <em>T. absoluta</em> is crucial for ecological management in the region. This study aimed to assess the parasitism rates, emergence rates, and developmental dynamics of <em>Trichogramma ostriniae</em>, <em>Trichogramma chilonis</em>, and <em>Trichogramma dendrolimi</em> on <em>T. absoluta</em> eggs of different ages, as well as the parasitism ability of the three <em>Trichogramma</em> species at different ages, to determine their potential for controlling <em>T. absoluta</em>. The results demonstrated that both <em>T. ostriniae</em> and <em>T. chilonis</em> effectively parasitized <em>T. absoluta</em> eggs at all ages. However, as the age of <em>T. absoluta</em> eggs increased, there was a notable decrease in parasitic activity and emergence rates for all three <em>Trichogramma</em> species. Conversely, a proportional increase in total developmental duration was observed with the advancing age of <em>T. absoluta</em> eggs. Notably, when egg age reached 60 h, <em>T. ostriniae</em> and <em>T. chilonis</em> exhibited significantly higher emergence rates of 66.33% and 59.67%, respectively, compared to <em>T. dendrolimi</em> at 46.00%. Furthermore, the adult stage duration and female proportion of the three <em>Trichogramma</em> species remained unaffected by the age of <em>T. absoluta</em> eggs, with <em>T. ostriniae</em> showing superior performance to the other two <em>Trichogramma</em> species. Overall, these findings suggest that <em>T. ostriniae</em> demonstrates broad selective parasitism and host suitability for <em>T. absoluta</em> eggs, potentially positioning it as a dominant parasitoid for <em>T. absoluta</em> control in China.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107099"},"PeriodicalIF":2.5,"publicationDate":"2024-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142911701","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":"Reproductive and detoxifying responses of Panonychus citri (Acari: Tetranychidae) to sulfoxaflor stress","authors":"Tianrong Xin,&nbsp;Xinyan Kong,&nbsp;Chenyu Jiang,&nbsp;Zhenzhen Li,&nbsp;Zhiwen Zou,&nbsp;Bin Xia","doi":"10.1016/j.cropro.2024.107100","DOIUrl":"10.1016/j.cropro.2024.107100","url":null,"abstract":"<div><div><em>Panonychus citri,</em> is a destructive pest in citrus orchards. The diversity of pests in citrus orchards leads to the improper pesticides application, and induced resistance may be an alternative mechanism for pest resurgence. In the present study, the acute toxicity of sulfoxaflor against <em>P. citri</em> adult females in leaf-dipping exposure experiment was determined at 24 h. Furthermore, the effects of sublethal (LC₃₀) and lethal (LC₅₀) concentrations of sulfoxaflor by the age-stage, two-sex life table approach were elucidated and these results revealed that the pre-adult period and the longevity of <em>P. citri</em> in the F₁ generation were decreased. Additionally, the fecundity, <em>R</em>_<em>0</em> and <em>r</em> was significantly increased in the LC_30- treated group, while the fecundity, <em>R</em>_<em>0</em> and <em>λ</em> of LC_50- treated group was decreased significantly. Furthermore, the mRNA expression levels and activities of vitellogenin (Vg), vitellogenin receptor (VgR), carboxylesterases (CarE), glutathione-S-transferases (GST), and cytochrome P450 monooxygenases (CYP450) were significantly different at the sulfoxaflor treatments as compared to the control. Importantly, silencing of the CYP392B6 gene by RNA interference altered adult females of <em>P. citri</em> sensitivity towards sulfoxaflor and resulted in a significant increase in CYP450 content. Therefore, all these results in this study will contribute to a comprehensive risk assessment of sulfoxaflor on <em>P. citri</em> resurgence and will provide a convincing reference for the understanding of the mechanisms of fecundity and metabolic resistance to sulfoxaflor.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107100"},"PeriodicalIF":2.5,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142935984","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":"A comparative analysis of efficacy of machine learning techniques for disease detection in some economically important crops","authors":"Somya Rakesh Goyal ,&nbsp;Vikrant Subhash Kulkarni ,&nbsp;Rajpal Choudhary ,&nbsp;Rohit Jain","doi":"10.1016/j.cropro.2024.107093","DOIUrl":"10.1016/j.cropro.2024.107093","url":null,"abstract":"<div><div>Early diagnosis of plant diseases is essential for reducing crop losses and improving agricultural production. Plant diseases markedly diminish output and food supply, highlighting the critical necessity for effective diagnostic instruments. Leaf analysis is an effective technique for evaluating plant health, providing information on diseases and deficiencies. This research underscores the significance of machine learning (ML) in predicting plant diseases, utilising its capacity to analyse characteristics from leaf photos and categorize plants as healthy or ill.</div><div>This study presents 35 prediction models that integrate seven leading machine learning techniques—Support Vector Machines (SVM), Random Forest (RF), Naïve Bayes (NB), Decision Tree (DT), k-Nearest Neighbor (KNN), Logistic Regression (LR) and Multilayer Perceptron (MLP)—with five crop varieties: maize, apple, grapes, tomato, and bell pepper. An equitable crop selection strategy guarantees the inclusion of grains, fruits, and vegetables. The PlantVillage dataset is employed for model training and testing, with performance assessed by measures such as Accuracy, Precision, Recall, F1-Measure, ROC, and AUC.</div><div>The Random Forest method demonstrated superior efficacy, with the greatest accuracy (91.8%), F1-Measure (91.4%), and AUC score (96.2%), surpassing SVM, KNN, and MLP. The Friedman test provided statistical support, affirming the trustworthiness of these findings. This study enhances the comprehension of machine learning applications in agriculture and establishes a comprehensive framework for the early diagnosis of plant diseases, therefore contributing to food security and sustainable agricultural practices.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107093"},"PeriodicalIF":2.5,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142911702","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":"Identification and characterization of Colletotrichum camelliae, the causal agent of leaf spot of Polygonatum odoratum in China","authors":"Rui Zhang ,&nbsp;Yiyi Feng ,&nbsp;Chun Wu ,&nbsp;Ke He ,&nbsp;Shaming Fu ,&nbsp;Cheng Li","doi":"10.1016/j.cropro.2024.107098","DOIUrl":"10.1016/j.cropro.2024.107098","url":null,"abstract":"<div><div><em>Polygonatum odoratum</em> (Mill.) Druce has been widely used in traditional Chinese medicines owing to its renown antioxidant, anticancer, and antidiabetic properties. During surveys conducted in the Zhijin County, Bijie City, Guizhou Province in China, prominent yellow-brown spots were observed on the leaves of <em>P. odoratum</em>. These spots eventually led to the death of the entire plant as they expanded, thus affecting the yield and quality of <em>P</em>. <em>odoratum</em>. In this study, infected <em>P</em>. <em>odoratum</em> leaves were collected and, based on morphological characteristics and multi-locus sequence typing (MLST) (actin, glyceraldehyde-3-phosphate dehydrogenase, beta-tubulin, and the internal transcribed spacer region of rDNA), <em>Colletotrichum camalliae</em> Massee was isolated and identified as the causal agent of the disease. This is the first study to investigate <em>P</em>. <em>odoratum</em> leaf infection by <em>C</em>. <em>camelliae</em> and is therefore, of great significance for this popular and highly valued medicinal plant; furthermore, it provides a sound theoretical basis for targeted control of the leaf spot disease.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107098"},"PeriodicalIF":2.5,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884412","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":"House sparrow damage to peppers in greenhouses can be decreased by reducing access","authors":"Rubén Tarifa ,&nbsp;Jorge Garrido-Bautista ,&nbsp;Manuel Soto-Cárdenas ,&nbsp;José A. Hódar ,&nbsp;Mariano Paracuellos","doi":"10.1016/j.cropro.2024.107096","DOIUrl":"10.1016/j.cropro.2024.107096","url":null,"abstract":"<div><div>Greenhouses are one of the most intensified agricultural production systems and where the impact of insect pests has been studied the most, yet there is little information on bird pests affecting crops grown under plastic. To uncover potential conflicts between birds and farmers in southeast Spain, where the highest concentration of greenhouses in Global North is found, we surveyed local farmers to obtain information about the bird species most affecting their crops, the most common methods used to deter them and the crops most impacted by birds. Farmers identified the house sparrow (<em>Passer domesticus</em>) as the species that most affected their crops, especially pepper. Sealing the greenhouse and the use of (illegal) mist nets were the most common methods displayed to deter birds. We also assessed bird damage to pepper (<em>Capsicum annuum</em>, L. cv. Palermo) crops in 21 greenhouses and estimated the economic losses for farmers. Of the eleven species detected inside greenhouses, the house sparrow caused by far the most damage to pepper crops. Our estimates in sampled greenhouses predict economic losses of 1406.8 €/ha per annual pepper crop due to bird damage. Sealing greenhouses effectively prevented birds from entering greenhouses, in contrast to illegal mist netting. Finally, we revealed for the first time the widespread and illegal use of cats outside greenhouses to try to reduce bird populations. This would have negative consequences for the native wildlife living in and around greenhouses. Our findings underscore the need to invest more resources in control mechanisms that ensure the development of sustainable farming practices with bird communities.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107096"},"PeriodicalIF":2.5,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884414","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":"First report of Fusarium proliferatum causing leaf blight of chilli (Capsicum annuum) in India","authors":"Subham Saha,&nbsp;Kumananda Tayung","doi":"10.1016/j.cropro.2024.107094","DOIUrl":"10.1016/j.cropro.2024.107094","url":null,"abstract":"<div><div>Chilli (<em>Capsicum annuum</em>) is a globally cultivated perennial herbaceous plant highly valued for its culinary importance and nutritional richness. In February 2024, during routine surveillance for diseases in solanaceous crops, a disease with leaf blight symptoms was observed on chilli in a plantation area in Dhubri district of Assam, India. The diseased symptom was characterized by small brown lesions along the leaf margins, which progressively merged into larger necrotic blights causing the leaves to turn brown and wither. The causal organism isolated from the infected plants was identified as <em>Fusarium proliferatum</em> both by morphological and molecular analysis. Koch's postulates also confirmed <em>F. proliferatum</em> to be the causative agent. To best of our knowledge this is the first report of <em>F. proliferatum</em> causing leaf blight disease on chilli (<em>Capsicum annuum</em>) in India.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107094"},"PeriodicalIF":2.5,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884416","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}