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Diaporthe hispaniae causes leaf black spot disease of kiwi crop in Guizhou Province, China 贵州猕猴桃叶片黑斑病的病原菌
IF 2.5 2区 农林科学
Crop Protection Pub Date : 2024-12-19 DOI: 10.1016/j.cropro.2024.107095
Hong Tan, Zhibo Zhao, Youhua Long, Rong Fan
{"title":"Diaporthe hispaniae causes leaf black spot disease of kiwi crop in Guizhou Province, China","authors":"Hong Tan,&nbsp;Zhibo Zhao,&nbsp;Youhua Long,&nbsp;Rong Fan","doi":"10.1016/j.cropro.2024.107095","DOIUrl":"10.1016/j.cropro.2024.107095","url":null,"abstract":"<div><div>Kiwi is an important commercial fruit crop in China. Leaf spot diseases of kiwi caused by fungal pathogens seriously affect the growth of the fruit tree. In 2023, large areas of kiwi leaves suffered by black spot disease were observed in an orchard in Guizhou Province, China. A total of 230 leaves of twenty-five kiwi trees were randomly investigated, and the incidence of leaves with black spot symptoms was 19.13%. The disease caused leaf defoliation, leading to the significant reduction of quality and economic value of kiwifruits. The morphological characteristics, phylogeny based on the sequences of ITS, <em>tub2</em>, <em>his3</em>, <em>cal</em> and <em>tef1</em> genes and pathogenicity of the disease-associated fungus were described in this study, confirmed <em>Diaporthe hispaniae</em> as the causal agent of leaf black spot disease of kiwi in Guizhou Province, China. Results in this study revealed the potential threat of <em>D</em>. <em>hispaniae</em> as a fungal pathogen to kiwi crop cultivation. Further researches, such as monitoring pathogen population and screening of effective fungicides, are required to develop effective strategy to control the kiwi leaf black spot disease caused by <em>D</em>. <em>hispaniae</em>.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107095"},"PeriodicalIF":2.5,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884415","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
Root rot disease of Polygala crotalarioides caused by Fusarium oxysporum in China 尖孢镰刀菌引起的大白菜根腐病的研究
IF 2.5 2区 农林科学
Crop Protection Pub Date : 2024-12-18 DOI: 10.1016/j.cropro.2024.107092
Shamin Fu , Jiaojiao Wu , Khadija Javed , Yan Li , YongHua Li , Fatimah Al-Otibi , Kevin D. Hyde , Yong Wang , Jun Liu
{"title":"Root rot disease of Polygala crotalarioides caused by Fusarium oxysporum in China","authors":"Shamin Fu ,&nbsp;Jiaojiao Wu ,&nbsp;Khadija Javed ,&nbsp;Yan Li ,&nbsp;YongHua Li ,&nbsp;Fatimah Al-Otibi ,&nbsp;Kevin D. Hyde ,&nbsp;Yong Wang ,&nbsp;Jun Liu","doi":"10.1016/j.cropro.2024.107092","DOIUrl":"10.1016/j.cropro.2024.107092","url":null,"abstract":"<div><div><em>Polygala crotalarioides</em>, a plant highly valued for its medicinal properties, suffered a severe root rot outbreak in a medicinal plant planting base in Yunnan Province, China, from 2022 to 2023. The affected plants exhibited typical root rot symptoms, beginning with localized browning of roots and rhizomes, progressing to basal petiole rot, and ultimately leading to leaf death and rhizome decay. This outbreak resulted in substantial economic losses, with an incidence rate of 50–60%. <em>Fusarium oxysporum</em> was identified as the causative agent through multigene phylogenetic analysis (using <em>tub2</em>, <em>tef1-α</em>, and <em>rpb2</em>) and morphological characterization, further confirmed by in vitro artificial inoculation. Our study is the first to report <em>F. oxysporum</em> as the cause of root rot in <em>P. crotalarioides</em> and provides valuable information for the prevention and control of this damaging disease.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107092"},"PeriodicalIF":2.5,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884418","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
Examining factors influencing varietal resistance to Rhyzopertha dominica (F.) in stored rice 储藏水稻品种对褐曲霉抗性的影响因素研究
IF 2.5 2区 农林科学
Crop Protection Pub Date : 2024-12-17 DOI: 10.1016/j.cropro.2024.107087
Ethan M. Doherty, Nohelys Camano-Flores, Qian Sun, Blake E. Wilson
{"title":"Examining factors influencing varietal resistance to Rhyzopertha dominica (F.) in stored rice","authors":"Ethan M. Doherty,&nbsp;Nohelys Camano-Flores,&nbsp;Qian Sun,&nbsp;Blake E. Wilson","doi":"10.1016/j.cropro.2024.107087","DOIUrl":"10.1016/j.cropro.2024.107087","url":null,"abstract":"<div><div>Host-plant resistance is an important pest management tool that is often overlooked in stored grain systems where the mechanisms of resistance are poorly understood. Here, we evaluated 13 varieties of rice for resistance toward the lesser grain borer, <em>Rhyzopertha dominica</em> (F.) (Coleoptera: Bostrichidae), one of the most devastating pests of stored rice. Over a two-month period, we measured each variety's damage by adult beetles and larvae, as well as progeny counts, progeny mass, and days to eclosion. We found large differences among varieties, with over 5-fold differences in damage by adults and 14-fold differences in larval damage. Subsequently, we evaluated the physical and nutritional characteristics of these varieties and compared these qualities with our susceptibility data. We found that while nutritional components of a variety did not affect susceptibility, the physical characteristics of the grain did. Varieties with longer, thinner grains were more susceptible to damage by <em>R. dominica</em> adults, while varieties with wide, stout grains were more resistant. Finally, we ran another resistance assay comparing single varieties to mixes of two varieties. We found that varietal mixes generally did not create any sort of associational resistance or susceptibility, expect in one instance. Mixes containing Jazzman 2 and CL151 received less damage from <em>R. dominica</em> adults and larvae than would be expected from the mixture. By understanding stored rice varietal resistance, growers can better anticipate pest impacts. Moreover, by understanding the mechanisms underlying resistance, resistant varieties can be more easily selected and bred to prevent insect infestation.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107087"},"PeriodicalIF":2.5,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884070","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
Enhancing the shelf life of entomopathogenic nematodes formulation: The impact of super absorbent polymer and infective juveniles concentration 提高昆虫病原线虫配方的保质期:高吸水性聚合物和感染性幼体浓度的影响
IF 2.5 2区 农林科学
Crop Protection Pub Date : 2024-12-17 DOI: 10.1016/j.cropro.2024.107091
H. Sharghi, N. Eivazian Kary, D. Mohammadi
{"title":"Enhancing the shelf life of entomopathogenic nematodes formulation: The impact of super absorbent polymer and infective juveniles concentration","authors":"H. Sharghi,&nbsp;N. Eivazian Kary,&nbsp;D. Mohammadi","doi":"10.1016/j.cropro.2024.107091","DOIUrl":"10.1016/j.cropro.2024.107091","url":null,"abstract":"<div><div>Entomopathogenic nematodes (EPNs) from the families Heterorhabditidae and Steinernematidae are promising biological control agents against various insect pests. However, one major limitation to their commercial use is their limited shelf life during storage. This study aimed to evaluate the impact of incorporating a super absorbent polymer (A200) into carboxymethyl cellulose (CMC) formulations of infective juveniles (IJs) of <em>Steinernema carpocapsae</em> on its shelf life over a six-month period at two-month intervals. The experiment was designed as a factorial design, examining the combined effects of varying concentrations of super-absorbent polymer (2% and 4% v/v), EPN concentration (4 × 10<sup>4</sup> and 8 × 10<sup>4</sup>/mL), and type of antimicrobial agent (formaldehyde 0.2% or sorbic acid 0.25%) on the shelf life of the CMC-based formulation. Our findings indicate that the type of antimicrobial agent significantly affects EPN survival rates during storage. By the end of the second month, the survival rate of non-antimicrobial treated samples had decreased sharply (≤0.2%). Notably, the highest survival rate (91.50%) was observed in the CMC formulation containing 4 × 10³ IJ/mL of nematodes loaded with 2% super-absorbent polymer and treated with formaldehyde. Moreover, our data suggest that the CMC-based formulation containing 4 × 10<sup>4</sup> IJ/mL of IJs, 4% super-absorbent polymer, and sorbic acid as an antimicrobial agent exhibits superior shelf life for extended storage periods at room temperature. Additionally, we found no significant decrease in EPN virulence towards fourth instar larvae of <em>Anagasta kuehniella</em> after six months of storage. Overall, this study underscores the intricate interplay between formulated IJs concentration and abiotic factors, such as super absorbent concentration and antimicrobial agents, in influencing the stability of EPN formulations. It offers valuable insights for developing more effective and longer-lasting EPN-based products.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107091"},"PeriodicalIF":2.5,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884417","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
Increased spread risk of citrus long-horned beetle [Anoplophora chinensis (Coleoptera: Cerambycidae)] under climate change in Türkiye: Implications for management 气候变化下柑橘长角甲虫(Anoplophora chinensis,鞘翅目:天牛科)传播风险的增加:对管理的启示
IF 2.5 2区 农林科学
Crop Protection Pub Date : 2024-12-17 DOI: 10.1016/j.cropro.2024.107090
Yasser Alramadan, Mehmet Mamay, Shahid Farooq
{"title":"Increased spread risk of citrus long-horned beetle [Anoplophora chinensis (Coleoptera: Cerambycidae)] under climate change in Türkiye: Implications for management","authors":"Yasser Alramadan,&nbsp;Mehmet Mamay,&nbsp;Shahid Farooq","doi":"10.1016/j.cropro.2024.107090","DOIUrl":"10.1016/j.cropro.2024.107090","url":null,"abstract":"<div><div>Climate change and increasing global trade are facilitating species’ introduction and establishment outside their native ranges. Predicting likely introductions and spread areas could help to lower the introduction and spread risk of new species through biosecurity measures. The citrus long-horned beetle (<em>Anoplophora chinensis</em>) is a polyphagous species native to Asia and causes significant damage to several tree species. <em>Anoplophora chinensis</em> (ANOLCN hereafter) has been introduced and spread to various geographical regions, including Türkiye. It is regulated as a quarantine pest in Türkiye; however, continuous range expansion is being observed in the country. This study predicted habitat suitability of ANOLCN in Türkiye under SSP1-2.6 and SSP5-8.5 climate change scenarios by using optimized MaxEnt model. The MaxEnt model was trained and tested with 606 global occurrence records and 13 bioclimatic variables (bio1, bio2, bio3, bio4, bio5, bio6, bio8, bio9, bio12, bio13, bio14, bio15, and bio17). Habitat suitability was predicted for current (1979–2000), and future (2021–2040, 2041–2060, 2061–2080 and 2081–2100) periods. The model predicted habitat suitability with high accuracy (AUC &gt;0.97). Annual mean temperature (bio1), mean diurnal range (bio2), temperature seasonality (bio4), and precipitation of wettest month (bio13) were predicted as the most important variables affecting habitat suitability of ANOLCN. Results indicated that western and eastern coastal areas of Black Sea region, and some coastal areas in the Aegean and Mediterranean Seas have highly suitable habitats for ANOLCN. Highly suitable habitat will expand by 5.99–69.33% under SSP1-2.6 and 13.31–45.78% under SSP5-8.5 climate change scenarios compared to current climate. The areas with highly suitable habitat have intensive citrus, hazelnut and olive cultivations, indicating higher and stronger ANOLCN infestation in the future. Therefore, timely and effective management strategies, including strict quarantine regulations are needed to combat the ecological and economic threats posed by ANOLCN in the future.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107090"},"PeriodicalIF":2.5,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884419","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
First report of Botryosphaeria wangensis, Colletotrichum nymphaeae, Diaporthe eres, and Geotrichum candidum causing postharvest fruit rot of plums (Prunus salicina) in China 引起李子采后腐果病的王氏芽孢菌、少女炭疽菌、Diaporthe eres和candidhum在国内首次报道
IF 2.5 2区 农林科学
Crop Protection Pub Date : 2024-12-16 DOI: 10.1016/j.cropro.2024.107089
Yu-Ru Wang , Bo-Ying Huang , Hafiz Muhammad Usman , Khadija Javed , Fatimah Al-Otibi , Kevin D. Hyde , Yong Wang
{"title":"First report of Botryosphaeria wangensis, Colletotrichum nymphaeae, Diaporthe eres, and Geotrichum candidum causing postharvest fruit rot of plums (Prunus salicina) in China","authors":"Yu-Ru Wang ,&nbsp;Bo-Ying Huang ,&nbsp;Hafiz Muhammad Usman ,&nbsp;Khadija Javed ,&nbsp;Fatimah Al-Otibi ,&nbsp;Kevin D. Hyde ,&nbsp;Yong Wang","doi":"10.1016/j.cropro.2024.107089","DOIUrl":"10.1016/j.cropro.2024.107089","url":null,"abstract":"<div><div>Plums (<em>Prunus salicina</em>) are highly valued for their diverse flavors and nutritional benefits, making them essential ingredients in processed foods such as juices and jams, making them one of the world's most popular fruits. However, their postharvest short shelf life, compounded by rapid deterioration and rot, presents significant challenges to maintaining fruit quality and extending shelf stability, resulting in substantial economic losses for the industry. This study employed both morphological and molecular biology approaches to identify and characterize pathogens from diseased plum samples collected in major production regions. Key pathogens responsible for postharvest fruit rot in plums in Guizhou, China, were identified as <em>Botryosphaeria wangensis</em>, <em>Colletotrichum nymphaeae</em>, <em>Diaporthe eres</em>, and <em>Geotrichum candidum</em>. The comprehensive identification of these causative agents is crucial for developing targeted disease management strategies. This research contributes crucial insights for enhancing plum quality and extending shelf stability in the industry, addressing essential needs in fruit preservation and economic sustainability.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107089"},"PeriodicalIF":2.5,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884071","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
Sensitivity monitoring of Bemisia tabaci to two tetramic acid insecticides and baseline susceptibility to spiropidion in China 中国烟粉虱对两种四羧酸类杀虫剂的敏感性监测及对螺必啶的基线敏感性
IF 2.5 2区 农林科学
Crop Protection Pub Date : 2024-12-16 DOI: 10.1016/j.cropro.2024.107088
Xiaolan Liu , Xichao Hu , Zanrong Wen , Haoyu Tang , Jianyu Ma , Bo Qiu , Wei Xu , Xiuli Chi , Chao Lv , Lei Guo , Yongjun Zhang
{"title":"Sensitivity monitoring of Bemisia tabaci to two tetramic acid insecticides and baseline susceptibility to spiropidion in China","authors":"Xiaolan Liu ,&nbsp;Xichao Hu ,&nbsp;Zanrong Wen ,&nbsp;Haoyu Tang ,&nbsp;Jianyu Ma ,&nbsp;Bo Qiu ,&nbsp;Wei Xu ,&nbsp;Xiuli Chi ,&nbsp;Chao Lv ,&nbsp;Lei Guo ,&nbsp;Yongjun Zhang","doi":"10.1016/j.cropro.2024.107088","DOIUrl":"10.1016/j.cropro.2024.107088","url":null,"abstract":"<div><div>The sweet potato whitefly, <em>Bemisia tabaci</em> (Gennadius) is one of the most devastating pests, inflicting severe damage on a wide range of crops. The tetramic acid insecticides, spirotetramat and spiropidion, act as inhibitors of lipid biosynthesis by targeting acetyl-coenzyme A carboxylase (ACCase), disrupting fatty acid biosynthesis and energy metabolism. In the present study, a total of 47 field populations were collected across China in 2021 and 2022, and their susceptibilities to spirotetramat and spiropidion were determined in the laboratory. The results showed that in contrast to their toxicities against nymphs, spirotetramat and spiropidion exhibited minimal toxicity against <em>B. tabaci</em> adults. <em>B. tabaci</em> nymphs from field populations exhibited susceptibility or low resistance to spirotetramat, with LC<sub>50</sub> values ranging from 2.85 to 13.58 mg L<sup>−1</sup> and resistance ratio (RR) from 1.7 to 8.2. There was a variation in the sensitivity of <em>B. tabaci</em> field populations towards spiropidion, with LC<sub>50</sub> values ranging from 13.12 to 120.13 mg L<sup>−1</sup> and RR from 3.5 to 23.4. The baseline susceptibility of <em>B. tabaci</em> nymphs to spiropidion was determined to be 24.06 mg L⁻<sup>1</sup>, corresponding to the median lethal concentration (LC<sub>50</sub>) calculated from 43 field populations. Cross-resistance was observed between spirotetramat and spiropidion, as well as between cyantraniliprole and tetramic acid insecticides. However, no significant cross-resistance was found between neonicotinoids and tetramic acid insecticides. Collectively, these findings improve our knowledge on the toxicity of tetramic acid insecticides to <em>B. tabaci</em> populations in China and provide valuable information for their scientific application in the field.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107088"},"PeriodicalIF":2.5,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884072","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 difenoconazole and pyraclostrobin on the development, reproduction, and detoxifying metabolism of Spodoptera frugiperda (J.E. Smith) 异丙唑康唑和嘧菌酯对果夜蛾发育、繁殖和解毒代谢的影响
IF 2.5 2区 农林科学
Crop Protection Pub Date : 2024-12-15 DOI: 10.1016/j.cropro.2024.107081
Shuqi Yang , Yue Yuan , Xiongwei Zhang , Aoju Feng , Yaqin Zou , Pan Yao , Danni Ye , Kaiyi Zeng , Xiaolei Zhang , Zhihong Xu
{"title":"Effects of difenoconazole and pyraclostrobin on the development, reproduction, and detoxifying metabolism of Spodoptera frugiperda (J.E. Smith)","authors":"Shuqi Yang ,&nbsp;Yue Yuan ,&nbsp;Xiongwei Zhang ,&nbsp;Aoju Feng ,&nbsp;Yaqin Zou ,&nbsp;Pan Yao ,&nbsp;Danni Ye ,&nbsp;Kaiyi Zeng ,&nbsp;Xiaolei Zhang ,&nbsp;Zhihong Xu","doi":"10.1016/j.cropro.2024.107081","DOIUrl":"10.1016/j.cropro.2024.107081","url":null,"abstract":"<div><div><em>Spodoptera frugiperda</em> (J.E. Smith) is a major insect pest affecting corn globally. <em>S</em>. <em>frugiperda</em> often coincides with maize diseases, as their damage periods overlap. Consequently, <em>S. frugiperda</em> may be exposed to varying types and quantities of these fungicides during the growing season. The aim of this study was to determine the effects of difenoconazole and pyraclostrobin on the biological and physiological traits of <em>S</em>. <em>frugiperda</em>. Treatment with difenoconazole and pyraclostrobin significantly prolonged the pupal development period in the F<sub>0</sub> generation of <em>S</em>. <em>frugiperda</em> compared to the control group. Additionally, exposure to difenoconazole shortened the development periods of the 1st and 6th instar larvae and reduced the adult preoviposition period (APOP) in the F<sub>1</sub> generation of <em>S. frugiperda</em>. However, it extended the development period of the 4th instar larvae and pupae, as well as overall longevity. The pyraclostrobin treatment group exhibited a shorter development period of 2nd instar larvae, as well as longer longevity, and more eggs/per female in the F<sub>1</sub> generation of <em>S</em>. <em>frugiperda</em>. Compared to the control group, the fecundity of the offspring of the pyraclostrobin treatment group increased by 68.24%. Furthermore, treatment with difenoconazole and pyraclostrobin significantly increased the intrinsic rate of increase (<em>r</em>) and the finite rate of increase (<em>λ</em>) in the F<sub>1</sub> generation of <em>S. frugiperda</em>, while significantly reducing the mean generation time (<em>T</em>). Additionally, mRNA expression levels of <em>CYP6AN4</em>, <em>CYP340L1</em>, <em>CYP321A10</em>, <em>CYP341A11</em>, <em>GST19</em>, <em>GST22</em>, <em>CE13059</em>, <em>CXE23</em>, <em>ABC01998, ABC18240</em>, and <em>UGT17742</em> were significantly elevated in F<sub>0</sub> individuals from larvae treated with difenoconazole. Meanwhile, the relative expression levels of <em>CYP6AN4</em>, <em>CYP340L1</em>, <em>CYP314A1</em>, <em>GST19</em>, <em>GST22</em>, <em>CE13095</em>, <em>CXE20</em>, <em>ABC01998</em>, <em>ABC18240</em>, <em>ABC22158</em>, and <em>ABC22158</em> in the larvae (F<sub>0</sub>) exposed to pyraclostrobin were also elevated. Compared to the control and difenoconazole treatment groups, the expression of the vitellogenin gene (<em>Vg</em>) and vitellogenin receptor (<em>VgR</em>) was significantly upregulated after pyraclostrobin treatment. The effects of difenoconazole and pyraclostrobin on the biological and reproductive performance of <em>S</em>. <em>frugiperda</em> could aid in optimizing the management strategies for this insect species.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107081"},"PeriodicalIF":2.5,"publicationDate":"2024-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142841460","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 Ephestia elutella diets on fitness of the third trophic level, the parasitoid Habrobracon hebetor (Hymenoptera: Braconidae) 乳黄小蜂饵料对第三营养级拟寄主小蜂适合度的影响(膜翅目:小蜂科)
IF 2.5 2区 农林科学
Crop Protection Pub Date : 2024-12-15 DOI: 10.1016/j.cropro.2024.107079
Yao Huang , Xiuqin Wang , Houding Ou , Lan Wei , Xiaofei Yu , Bo Wang , Yi Mao , Maofa Yang
{"title":"Effect of Ephestia elutella diets on fitness of the third trophic level, the parasitoid Habrobracon hebetor (Hymenoptera: Braconidae)","authors":"Yao Huang ,&nbsp;Xiuqin Wang ,&nbsp;Houding Ou ,&nbsp;Lan Wei ,&nbsp;Xiaofei Yu ,&nbsp;Bo Wang ,&nbsp;Yi Mao ,&nbsp;Maofa Yang","doi":"10.1016/j.cropro.2024.107079","DOIUrl":"10.1016/j.cropro.2024.107079","url":null,"abstract":"<div><div>In the three-level nutritional structure of plant–phytophagous insect–natural enemies, plants exert direct and indirect effects on natural enemies. Additionally, the effect of the host diet on natural enemies also has an indirect impact on pest control. Herein, the effects of two diets of <em>Ephestia elutella</em> on the fitness of its natural enemy <em>Habrobracon hebetor</em> were studied using an age–stage, two-sex life table analysis. The results indicated that the total fecundity, the number of eggs laid during each oviposition day (<em>Ed</em>), oviposition days, and female longevity of the <em>H. hebetor</em> of F<sub>0</sub> generation parasitized on <em>E. elutella</em> fed an artificial diet were significantly higher than those on <em>E. elutella</em> fed tobacco leaves. The pre-adult survival, paralysis, and parasitism rates of the <em>H. hebetor</em> F<sub>1</sub> generation parasitized on <em>E. elutella</em> fed an artificial diet were also significantly higher than those on <em>E. elutella</em> fed tobacco leaves. The results provide a theoretical basis for the large-scale propagation of <em>H. hebetor</em> in the laboratory and for improving the efficiency of <em>H. hebetor</em> in controlling <em>E. elutella</em> in tobacco warehouses.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107079"},"PeriodicalIF":2.5,"publicationDate":"2024-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142884073","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
Management of Phytophthora and Phytopythium oomycete diseases in durian (Durio zibethinus) 榴莲疫霉病和卵菌病的防治
IF 2.5 2区 农林科学
Crop Protection Pub Date : 2024-12-15 DOI: 10.1016/j.cropro.2024.107086
Ajit Singh , Caryn Chow , Kevin Nathaniel , Yap Lip Vun , Sumera Javad , Khajista Jabeen
{"title":"Management of Phytophthora and Phytopythium oomycete diseases in durian (Durio zibethinus)","authors":"Ajit Singh ,&nbsp;Caryn Chow ,&nbsp;Kevin Nathaniel ,&nbsp;Yap Lip Vun ,&nbsp;Sumera Javad ,&nbsp;Khajista Jabeen","doi":"10.1016/j.cropro.2024.107086","DOIUrl":"10.1016/j.cropro.2024.107086","url":null,"abstract":"<div><div>Durian (<em>Durio zibethinus</em> L.) is a valuable fruit crop originating from Borneo and widely cultivated in Southeast Asia, including Malaysia, Thailand, and Indonesia. Increasing consumer demand, particularly from China, has boosted its trade and value. However, the durian industry faces significant challenges from the devastating pathogens <em>Phytophthora palmivora</em> and <em>Phytopythium vexans</em>, which cause various forms of rot and dieback, leading to economic losses. Current management strategies include cultural practices, synthetic fungicides, biological controls, and integrated management. While cultural practices and synthetic fungicides are commonly used, they have limitations such as health and environmental risks, labor intensity, and inconsistent effectiveness. Alternative approaches, such as gene silencing of Protein Phosphatase 2A to produce disease-resistant plants and the use of plant extracts with antimicrobial properties, show promise and warrant further exploration. This review aims to guide farmers and beginners in exploring alternative methods for managing durian diseases.</div></div>","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"190 ","pages":"Article 107086"},"PeriodicalIF":2.5,"publicationDate":"2024-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142841458","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
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