Crop Protection最新文献_第6页

Occurrence and dynamics of resistance to a QoI and a DMI fungicide in Erysiphe necator the causal agent of grape powdery mildew in Israel

IF 2.5 2区农林科学

Crop Protection Pub Date : 2025-02-05 DOI: 10.1016/j.cropro.2025.107154

L. Gur , Y. Cohen , O. Frenkel , S. Ovadia , M. Reuveni

{"title":"Occurrence and dynamics of resistance to a QoI and a DMI fungicide in Erysiphe necator the causal agent of grape powdery mildew in Israel","authors":"L. Gur , Y. Cohen , O. Frenkel , S. Ovadia , M. Reuveni","doi":"10.1016/j.cropro.2025.107154","DOIUrl":"10.1016/j.cropro.2025.107154","url":null,"abstract":"<div><div>Powdery mildew incited by the fungus <em>Erysiphe necator</em> is a destructive disease of grapes in Israel and elsewhere, attacking green parts of the vine and reducing yield and wine quality. Demethylation inhibitors (DMI) and quinone outside inhibitors (QoI) fungicides are frequently used to control the disease. However, starting in 2005 and 2007, respectively, we observed reduced control efficacy of DMI and QoI fungicides in Israel. The resistance of <em>E. necator</em> to DMI or QoI has not been phenotypically described or genetically characterized in the Middle Eastern region, and the seasonal dynamics of resistance have been under-studied worldwide. Field experiments performed during 2017 and 2018 in the Judean-foothills and Upper Galilee regions, showed reduced efficacy of both fungicides. Sensitivity of <em>E. necator</em> to the fungicides was determined in grape leaf disks bioassays. Isolates collected from sprayed plots exhibited EC50 values of 100–1000 and 2–8 μg/mL for QoI and DMI, respectively, while isolates collected from non-sprayed vines showed EC50 values of 0.5–1.6 and 0.04–1.8 μg/mL, respectively. Resistant isolates carried the genetic mutations to DMI (Y136F) and QoI (G143A). We conclude that the recently reduced control efficacy of the disease in Israeli vineyards resulted from fungicide resistance. Seasonal dynamics of DMI and QoI mutant isolates in the vineyards were different. The proportion of QoI mutant isolates increased and became dominant by mid and late season, while DMI mutant isolates dominated mid-season, and DMI-wild-type isolates dominated at the beginning and end of the season when selection pressure was low.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"191 ","pages":"Article 107154"},"PeriodicalIF":2.5,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143372840","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}

引用次数: 0

Newsletter 190

IF 2.5 2区农林科学

Crop Protection Pub Date : 2025-02-04 DOI: 10.1016/j.cropro.2025.107125

引用次数: 0

A sustainable biocontrol approach using rhizosphere bacterial strains against Meloidogyne javanica on tomato

IF 2.5 2区农林科学

Crop Protection Pub Date : 2025-02-04 DOI: 10.1016/j.cropro.2025.107144

Saeid Mahdi, Habiballah Charehgani, Rasool Rezaei

{"title":"A sustainable biocontrol approach using rhizosphere bacterial strains against Meloidogyne javanica on tomato","authors":"Saeid Mahdi, Habiballah Charehgani, Rasool Rezaei","doi":"10.1016/j.cropro.2025.107144","DOIUrl":"10.1016/j.cropro.2025.107144","url":null,"abstract":"<div><div>The root-knot nematode (RKN), <em>Meloidogyne javanica</em>, causes severe damage to a wide variety of crops. These nematodes significantly reduce tomato yield globally, causing symptoms such as stunted growth, galls on roots, chlorosis, and wilting, ultimately leading to host death. Classical nematode control methods, such as the application of chemical nematicides, are very effective; however, their use is limited due to conflicts with sustainable agriculture. Therefore, biological methods, are gaining attention as more environmentally friendly options. In the present study, 47 strains of bacteria were isolated from the rhizosphere of RKN-infected plants. The effect of these strains was studied on egg hatching and second stage infective juveniles (J2s) mortality of <em>M. javanica</em>, <em>in vitro</em>. Then, three holes were made in the soil around the roots of non-inoculated and nematode inoculated tomato plants and a suspension of 15 mL of three isolates with the greatest negative effect on hatching and J2s mortality (10<sup>7</sup> CFU/ml), was poured into the holes. <em>Stenotrophomonas maltophilia</em> CPHE1, <em>Peribacillus frigoritolerans</em> Rhs-L31 and <em>Bacillus cereus</em> Pt0-RL12 improved the vegetative indices of inoculated plants compared to control plants. These strains significantly reduced nematode hatching and significantly increased mortality of nematode J2s; and in greenhouse pot experiments significantly reduced the number of nematode eggs and egg masses, root galls, and nematode reproduction factor. In each case, inoculation with the bacterial strains significantly increased peroxidase and superoxide dismutase activity, and decreased catalase activity in tomato roots infected with <em>M. javanica</em>. The present study indicates the potential of these bacterial strains for biocontrol of <em>M. javanica</em> on tomato.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"191 ","pages":"Article 107144"},"PeriodicalIF":2.5,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143379158","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}

引用次数: 0

Pruning as an effective strategy for the integrated management of fruit and stem canker in dragon fruit production

IF 2.5 2区农林科学

Crop Protection Pub Date : 2025-02-04 DOI: 10.1016/j.cropro.2025.107145

Pamela Suellen Salvador Dutra , Romina Gazis , Jonathan H. Crane , Shouan Zhang

{"title":"Pruning as an effective strategy for the integrated management of fruit and stem canker in dragon fruit production","authors":"Pamela Suellen Salvador Dutra , Romina Gazis , Jonathan H. Crane , Shouan Zhang","doi":"10.1016/j.cropro.2025.107145","DOIUrl":"10.1016/j.cropro.2025.107145","url":null,"abstract":"<div><div><em>Neoscytalidium dimidiatum</em> (Penz.) Crous & Slippers, the causal agent of stem and fruit canker, poses a significant threat to dragon fruit (<em>Selenicereus</em> spp.) production worldwide, potentially causing up to a 60% reduction in fruit market value. This study evaluated the effectiveness of winter pruning to manage this disease in two commercial orchards from mid-October 2022 to July 2023. Stem canker severity (%), fruit canker severity (%), the area under the disease progress curve (AUDPC) of stem canker severity (ss_AUDPC), fruit canker incidence (i_AUDPC), and fruit canker severity (sAUDPC) were determined in pruned plants and non-pruned plants. At both locations, pruned plants consistently showed significantly lower values for stem and fruit severity, ss_AUDPC, i_AUDPC, and s_AUDPC compared to non-pruned plants (<em>P</em> < 0.05). In Orchard 1, fruit canker severity decreased from 2.92% in non-pruned plants to 1.70% in pruned plants. Similarly, in Orchard 2, fruit canker severity declined from 1.80% in non-pruned plants to 0.89% in pruned plants. Winter pruning resulted in up to 61% control of stem canker and 42–51% control of fruit canker. These findings demonstrate that pruning is a critical cultural practice that should be integrated with other preventative strategies to support sustainable dragon fruit production.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"191 ","pages":"Article 107145"},"PeriodicalIF":2.5,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143350192","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}

引用次数: 0

Anthracnose caused by Colletotrichum siamense on rambutan in China

IF 2.5 2区农林科学

Crop Protection Pub Date : 2025-02-04 DOI: 10.1016/j.cropro.2025.107141

Gengxin Chen , Jinhua Sun , Jiaming Cui , Yu Wang , Yajun Ran , Deqiang Gong , Yi Yang , Meijiao Hu , Min Li

引用次数: 0

Occurrence of Nigrospora osmanthi causing leaf spot on Artemisia argyi in China 导致蒿草叶斑病的 Nigrospora osmanthi 在中国的发生情况

IF 2.5 2区农林科学

Crop Protection Pub Date : 2025-02-04 DOI: 10.1016/j.cropro.2025.107142

Kuan Yang , Xiyao Yang , Mengzhi Li , Danxia Li , Xianzhang Huang , Chao Li

引用次数: 0

Application of leaf water content measurement to improve herbicide efficacy for effective weed management in a changing climate – A review

IF 2.5 2区农林科学

Crop Protection Pub Date : 2025-01-31 DOI: 10.1016/j.cropro.2025.107138

Tasawer Abbas , Naila Farooq , Muhammad Ather Nadeem

{"title":"Application of leaf water content measurement to improve herbicide efficacy for effective weed management in a changing climate – A review","authors":"Tasawer Abbas , Naila Farooq , Muhammad Ather Nadeem","doi":"10.1016/j.cropro.2025.107138","DOIUrl":"10.1016/j.cropro.2025.107138","url":null,"abstract":"<div><div>Climate change intensifies the impact of weeds, posing a significant threat to sustainable crop production and food security on a global scale. Weeds are more adaptable and resilient compared to crop species under climate change. Climate change complicates the effectiveness of weed control methods, leading to continuous decline in efficacy of herbicides, demanding more precise and site-specific herbicide application to address the evolving challenges. Leaf water content (LWC), a fundamental eco-physiological trait, serves as a key indicator of climate change effects and exhibits a strong correlation with herbicide efficacy. Assessing leaf water status of weeds can advance weed management. Different methods such as traditional gravimetric techniques, non-destructive techniques and modern remote sensing techniques for LWC estimation have modernized the measurement of LWC. Advanced methods now enable field application for real-time estimation of LWC, thereby enhancing potential for application in weed control practices. An integrated approach that combines various remote sensing technologies could provide the most comprehensive method for non-destructive, real-time LWC measurement. The development of better calibration models, integration of LWC measurements into predictive models for weed control efficacy, and refinement of remote sensing technology can help to precise weed control under changing climate. This article provides comprehensive review of impact of climate change on weeds and efficacy of weed control methods, role of LWC in enhancing weed management, and diversity of technologies used for monitoring LWC. Integrated weed control based on LWC measurement can significantly reduce herbicide pollution, ensure sustainable weed management, and minimize crop yield losses.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"191 ","pages":"Article 107138"},"PeriodicalIF":2.5,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143325985","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}

引用次数: 0

Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) and Streptomyces bellus E23-2 for managing Dactylopius opuntiae (Cockerell) (Hemiptera: Dactylopiidae) on Opuntia spp

IF 2.5 2区农林科学

Crop Protection Pub Date : 2025-01-30 DOI: 10.1016/j.cropro.2025.107132

Mohamed El Aalaoui , Said Rammali , Bouchaib Bencharki , Mohamed Sbaghi

{"title":"Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) and Streptomyces bellus E23-2 for managing Dactylopius opuntiae (Cockerell) (Hemiptera: Dactylopiidae) on Opuntia spp","authors":"Mohamed El Aalaoui , Said Rammali , Bouchaib Bencharki , Mohamed Sbaghi","doi":"10.1016/j.cropro.2025.107132","DOIUrl":"10.1016/j.cropro.2025.107132","url":null,"abstract":"<div><div><em>Dactylopius opuntiae</em> (Cockerell) (Hemiptera: Dactylopiidae) is a key pest of <em>Opuntia</em> spp., requiring effective management strategies. This study assessed the efficacy the predatory mite <em>Amblyseius swirskii</em> (AS) (Acari: Phytoseiidae) and the entomopathogenic bacterium <em>Streptomyces bellus</em>- E23-2 (SB), both individually and in combination, against <em>D. opuntiae</em> under both laboratory (26 °C) and greenhouse (ranging from 23.5 to 28.8 °C) conditions. Treatments included: T1 – untreated control, T2 – 0.003% Tween 80 (TW), T3 – AS alone, T4 – SB alone, T5 – SB + AS, and T6 – d-limonene (DL) (positive control). In both settings, <em>S. bellus</em> and d-limonene were applied at 30 mL per plant, followed by the release of predatory mites one week later. The experiments spanned five weeks. The combined treatment SB + AS demonstrated the highest efficacy in reducing egg counts (egg counts decreased to 7.78 (lab) and 7.44 (greenhouse) by week 5). Similarly, motile stages were reduced to 6.50 (lab) and 5.22 (greenhouse) per cladode. The SB treatment alone produced the highest number of mummies (42.0 in the lab, 32.9 in the greenhouse) by week 3. Predator mite densities peaked in the AS treatment (36.6 in the lab, 25.4 in the greenhouse) by week 3, with no significant difference between AS and SB + AS treatments in the greenhouse. Overall, the SB + AS treatment effectively reduced <em>D. opuntiae</em> populations, preserving plant health, as indicated by high visual quality scores (>9.60) by the end of the study. This integrated approach highlights the potential of combining biological agents for sustainable management of <em>D. opuntiae</em> on <em>Opuntia</em> spp.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107132"},"PeriodicalIF":2.5,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143125214","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}

引用次数: 0

Effects of temperature on the adaptation of Myzus persicae (Sulzer) (Hemiptera: Aphididae) to tobacco plants infected with potato virus Y

IF 2.5 2区农林科学

Crop Protection Pub Date : 2025-01-30 DOI: 10.1016/j.cropro.2025.107137

Zhili Li , Yingqin He , Mengshuang Yao , Changhao Lu , Runa Zhao , Haojun Li , Wenlong Chen

{"title":"Effects of temperature on the adaptation of Myzus persicae (Sulzer) (Hemiptera: Aphididae) to tobacco plants infected with potato virus Y","authors":"Zhili Li , Yingqin He , Mengshuang Yao , Changhao Lu , Runa Zhao , Haojun Li , Wenlong Chen","doi":"10.1016/j.cropro.2025.107137","DOIUrl":"10.1016/j.cropro.2025.107137","url":null,"abstract":"<div><div>Temperature is a key factor that influences interactions among vector insects, viruses, and host plants. A deep understanding of how temperature affects the adaptability of aphids to virus-infected plants can provide valuable insights for improving control strategies against plant viral diseases. Herein, we evaluated the adaptability of the green peach aphid <em>Myzus persicae</em> to tobacco plants infected by <em>Potato virus Y</em> (PVY) across four temperatures using dual-choice bioassays, electropenetrography, and an age-stage, two-sex life table. The results revealed substantial differences in the adaptation of <em>M. persicae</em> to PVY-infected tobacco at different temperatures. The number of <em>M. persicae</em> selecting PVY-infected tobacco plants rapidly peaked as temperature increased, though an inverse trend occurred when temperatures surpassed 25 °C. At 30 °C, <em>M. persicae</em> showed reduced feeding ability, a considerably short duration of potential drop (pd) waves, and an increased pd frequency on PVY-infected plants. In addition, at 30 °C, <em>M. persicae</em> exhibited the shortest developmental duration, reduced total lifespan, and low fecundity, leading to negative population growth. This study aims to provide initial insights into how temperature stress affects <em>M. persicae</em> on PVY-infected plants, delivering useful information for disrupting vector-mediated transmission routes and controlling the spread of insect-borne viral diseases through targeted environmental interventions.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"191 ","pages":"Article 107137"},"PeriodicalIF":2.5,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143125390","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}

引用次数: 0

Effect of defense enzyme activities, endogenous SA and MeSA in tea plants on the host adaptability of Toxoptera aurantii (Hemiptera: Aphididae)

IF 2.5 2区农林科学

Crop Protection Pub Date : 2025-01-28 DOI: 10.1016/j.cropro.2025.107135

Mengyang Wu , Wenbin Jiang , Changhao Lu , Wenmei Dong , Jinjuan Fan , Jia Tian , Wenlong Chen , Suzhen Niu , Yingqin He

{"title":"Effect of defense enzyme activities, endogenous SA and MeSA in tea plants on the host adaptability of Toxoptera aurantii (Hemiptera: Aphididae)","authors":"Mengyang Wu , Wenbin Jiang , Changhao Lu , Wenmei Dong , Jinjuan Fan , Jia Tian , Wenlong Chen , Suzhen Niu , Yingqin He","doi":"10.1016/j.cropro.2025.107135","DOIUrl":"10.1016/j.cropro.2025.107135","url":null,"abstract":"<div><div><em>Toxoptera aurantii</em>, a predominant pest species on tea plants, significantly hinders both the yield and quality of tea production. Elucidating the factors influencing host adaptability is a crucial approach for effectively managing <em>T</em>. <em>aurantii</em> proliferation. This study assessed the adaptability of <em>T</em>. <em>aurantii</em> to seven different tea cultivars using an age-stage, two-sex life table. Furthermore, the variations in the activities of PPO, POD, PAL, and SOD, along with the differences in the levels of SA, MeSA, and catechins, were compared between susceptible (HJY) and resistant (QC1 and QC10) cultivars. The study revealed significant disparities in the adaptability of <em>T. aurantii</em> to different tea cultivars. On HJY, aphids exhibited the shortest developmental duration, the longest total lifespan, and the maximum reproductive quantity; in contrast, these metrics were reduced on QC1 and QC10. Moreover, following the infestation by <em>T. aurantii</em>, the activities of PPO, POD, PAL, and SOD in tea plants exhibited a marked increase. The activities of POD and SOD in QC1 were significantly higher than those in HJY and QC10, while the increase in PAL activity in QC1 and QC10 far surpassed that in HJY. Notably, lower levels of SA, MeSA, and catechins were observed in HJY compared to those in QC1 and QC10. This study offers an initial elucidation of the factors affecting the host adaptability of <em>T</em>. <em>aurantii</em>, thereby providing a theoretical foundation for screening aphid-resistant tea germplasms.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107135"},"PeriodicalIF":2.5,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143125386","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}

引用次数: 0