Journal of Asia-pacific Entomology最新文献

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Whole Genome Sequencing Analysis of Cellulose-degrading Bacterium DC11 Isolated from Silkworm Excrement and Characterization of Its Key Cellulase Gene ytoP 纤维素降解菌 DC11 的全基因组测序分析及其关键纤维素酶基因 ytoP 的特性分析
IF 1.1 3区 农林科学
Journal of Asia-pacific Entomology Pub Date : 2024-07-06 DOI: 10.1016/j.aspen.2024.102285
Yuanhao Zhang , Hao Li , Minqi Zhang , Xueping Jiang , Chen Chen , Xiaohui Zhang , Ran Zhang , Gaiqun Huang , Gang Liu , Zhongzheng Gui
{"title":"Whole Genome Sequencing Analysis of Cellulose-degrading Bacterium DC11 Isolated from Silkworm Excrement and Characterization of Its Key Cellulase Gene ytoP","authors":"Yuanhao Zhang ,&nbsp;Hao Li ,&nbsp;Minqi Zhang ,&nbsp;Xueping Jiang ,&nbsp;Chen Chen ,&nbsp;Xiaohui Zhang ,&nbsp;Ran Zhang ,&nbsp;Gaiqun Huang ,&nbsp;Gang Liu ,&nbsp;Zhongzheng Gui","doi":"10.1016/j.aspen.2024.102285","DOIUrl":"10.1016/j.aspen.2024.102285","url":null,"abstract":"<div><p>In recent years, the microbial degradation of cellulose has emerged in addressing environmental pollution and acting as a substitute for scarce animal feeds. This study conducted a whole-genome sequencing analysis of a cellulose-degrading bacterium known as <em>Bacillus subtilis</em> DC11, previously isolated from the silkworm excrement. A critical cellulase gene was identified, namely <em>ytoP</em>. The <em>ytoP</em> gene was successfully cloned and expressed in <em>E.coli</em> using genetic engineering. <em>ytoP</em> is a segment of the endoglucanase gene in <em>Bacillus subtilis</em> DC11 and was found to be 1074 bp in size and encoded 357 amino acids. This study effectively constructed the cellulase expression vector and achieved successful expression of the <em>ytoP</em> gene from strain DC11 in <em>E. coli</em> BL21 (DE3). SDS-PAGE electrophoresis revealed that the protein had an approximate size range of 40–50 KDa and a concentration of around 3.675 mg/mL. An assay of enzyme activity demonstrated that the purified protein, with a concentration of approximately 100 μg/mL, exhibited a maximum activity of 12.980 U/mL. Through the integration of whole-genome sequencing and genetic engineering techniques, the critical cellulase gene <em>ytoP</em> from <em>Bacillus subtilis</em> DC11 has been successfully cloned and expressed, achieving highly efficient cellulase production. This study lays the foundation for large-scale applications of microbial cellulose degradation in the future.</p></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"27 3","pages":"Article 102285"},"PeriodicalIF":1.1,"publicationDate":"2024-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141704105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Characterization and novel gene rearrangements in the mitochondrial genome of Chelonus munakatae (Hymenoptera: Braconidae): Insights into evolutionary dynamics and genomic variability Chelonus munakatae(膜翅目:腕足动物)线粒体基因组的特征和新基因重排:对进化动态和基因组变异性的启示
IF 1.1 3区 农林科学
Journal of Asia-pacific Entomology Pub Date : 2024-07-03 DOI: 10.1016/j.aspen.2024.102286
Qianyi Yu , Ruizhong Yuan , Han Zhang , Xiaohan Shu , Jiachen Zhu , Zhengling Liu , Xiqian Ye , Youguo Zhan , Pu Tang , Xuexin Chen
{"title":"Characterization and novel gene rearrangements in the mitochondrial genome of Chelonus munakatae (Hymenoptera: Braconidae): Insights into evolutionary dynamics and genomic variability","authors":"Qianyi Yu ,&nbsp;Ruizhong Yuan ,&nbsp;Han Zhang ,&nbsp;Xiaohan Shu ,&nbsp;Jiachen Zhu ,&nbsp;Zhengling Liu ,&nbsp;Xiqian Ye ,&nbsp;Youguo Zhan ,&nbsp;Pu Tang ,&nbsp;Xuexin Chen","doi":"10.1016/j.aspen.2024.102286","DOIUrl":"https://doi.org/10.1016/j.aspen.2024.102286","url":null,"abstract":"<div><p><em>Chelonus munakatae</em> Matsumura (Hymenoptera: Braconidae) is an important parasitoid of several lepidopteran species. The mitochondrial genome of this species is a crucial source for molecular identification and genetic studies. Here, we used next-generation sequencing to obtain the <em>C</em>. <em>munakatae</em> mitochondrial genome, which was found to be 14,868 bp in length and contained 13 protein-coding genes, 22 tRNAs and two rRNAs. The nucleotide composition exhibits a significant bias towards A + T content, with a value of 86.8 %. A large number of PCG and tRNA gene rearrangement events were detected (<em>I-V-M-C-W-Q</em> and <em>A-N-S1-E-R-F</em>), which represent a novel rearrangement type in Hymenoptera. Furthermore, synteny analysis based on the whole mitochondrial genomes showed that a significant rearrangement of homologous blocks had occurred within this Braconidae species. This study not only delineates the mitochondrial characteristics of <em>C. munakatae</em> but also significantly contributes to the repository of mitochondrial genetic information for the Braconidae family. Moreover, it highlights the occurrence of gene rearrangement within Hymenoptera species, offering valuable insights into the evolutionary dynamics and genomic variability of these insects.</p></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"27 3","pages":"Article 102286"},"PeriodicalIF":1.1,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141543110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 temperature on the development, reproduction and survival of Tetramoera schistaceana (Lepidoptera: Tortricidae) 温度对鳞翅目:旋毛虫科(Tetramoera schistaceana)的发育、繁殖和存活的影响
IF 1.1 3区 农林科学
Journal of Asia-pacific Entomology Pub Date : 2024-06-22 DOI: 10.1016/j.aspen.2024.102284
Xue-Hong Pan, Ji-Li Wei, Xian-Kun Shang, Cheng-Hua Huang
{"title":"Effect of temperature on the development, reproduction and survival of Tetramoera schistaceana (Lepidoptera: Tortricidae)","authors":"Xue-Hong Pan,&nbsp;Ji-Li Wei,&nbsp;Xian-Kun Shang,&nbsp;Cheng-Hua Huang","doi":"10.1016/j.aspen.2024.102284","DOIUrl":"https://doi.org/10.1016/j.aspen.2024.102284","url":null,"abstract":"<div><p><em>Tetramoera schistaceana</em> Snellen is an important stem borer of sugarcane, which causes severe damage to sugarcane in China. Temperature is a key factor affecting its development and reproduction. Development duration, reproduction and survival rate of <em>T. schistaceana</em> were determined at five different temperatures (20, 23, 26, 29 and 32 °C) in this study. Results showed that temperature had significant effects on the development duration, survival rate and reproduction of <em>T. schistaceana.</em> The development rate of <em>T. schistaceana</em> for each stage increased linearly with increasing temperatures between 20 and 32 °C. Egg hatching rate, larval pupation rate and pupal eclosion rate were the highest between 23 and 26 °C. The lower thermal threshold (<em>T<sub>0</sub></em>) for egg, larva, pupa, pre-adult and whole generation were 9.98, 9.80, 9.47, 9.50 and 8.87 °C, respectively and the thermal constant (<em>K</em>) for the development of the respective life cycle stages of were 89.29 for eggs, 400.00 for larvae, 151.52 for pupae, 625.00 for pre-adult and 666.67DD for whole generation, respectively. The average fecundity per female was also the highest between 23 and 26 °C. Therefore the optimum temperature range for the development and reproduction of <em>T. schistaceana</em> was between 23 and 26 °C.</p></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"27 3","pages":"Article 102284"},"PeriodicalIF":1.1,"publicationDate":"2024-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141484565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Cross-instar larval identification leads divergent decision on pest management: An example from white grubs on peanuts 交叉星体幼虫鉴定导致害虫管理决策的分歧:以花生上的白蛴螬为例
IF 1.1 3区 农林科学
Journal of Asia-pacific Entomology Pub Date : 2024-06-20 DOI: 10.1016/j.aspen.2024.102283
Wen-Jun Cao , Yi-Nuo Chen , Ru-Jun Zhou, Lu Jiang
{"title":"Cross-instar larval identification leads divergent decision on pest management: An example from white grubs on peanuts","authors":"Wen-Jun Cao ,&nbsp;Yi-Nuo Chen ,&nbsp;Ru-Jun Zhou,&nbsp;Lu Jiang","doi":"10.1016/j.aspen.2024.102283","DOIUrl":"https://doi.org/10.1016/j.aspen.2024.102283","url":null,"abstract":"<div><p>Accurate larval identification is a prerequisite for integrated pest management, but remains a long-term difficulty in insect taxonomy. Previous descriptions are mainly focused on the most disruptive final instar larvae. However, earlier instars especially cross-instar larval morphological comparisons were rarely delivered hitherto. <em>Polyphylla laticollis</em> and <em>Maladera orientalis</em> are pests that damage peanut crops at various developmental stages. The first instar larvae of <em>P. laticollis</em> and the mature larvae of <em>M. orientalis</em> attack peanuts simultaneously and cause different types of damage. In this study, we compared the life histories and larval morphologies through field investigations and scanning electron microscopy (SEM) observations. These cross-instar white grubs are similar in sizes, but exhibit morphological differences on their mouthparts, thoracic legs, anal slits, and rasters. This study presents a novel approach to larval identification, with a goal of generating new insights into integrated pest control practices on white grubs.</p></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"27 3","pages":"Article 102283"},"PeriodicalIF":1.1,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141484524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Potential of secondary metabolites from soil-derived actinomycetes as juvenile hormone disruptor and insecticides 土壤放线菌的次级代谢物作为幼年激素干扰物和杀虫剂的潜力
IF 1.1 3区 农林科学
Journal of Asia-pacific Entomology Pub Date : 2024-06-18 DOI: 10.1016/j.aspen.2024.102279
Jong-Hoon Kim , Jae Young Choi , Dong Hwan Park , Yeon Ho Je
{"title":"Potential of secondary metabolites from soil-derived actinomycetes as juvenile hormone disruptor and insecticides","authors":"Jong-Hoon Kim ,&nbsp;Jae Young Choi ,&nbsp;Dong Hwan Park ,&nbsp;Yeon Ho Je","doi":"10.1016/j.aspen.2024.102279","DOIUrl":"https://doi.org/10.1016/j.aspen.2024.102279","url":null,"abstract":"<div><p>Actinomycetes represent sources of potential alternatives to chemicals as biological pest control agents, and several actinomycetes are known to produce metabolites with insecticidal activities against insect pests. Although these metabolites are eco-friendly and effective, it is necessary to identify a novel insect-specific insecticidal agents that can minimize the occurrence of resistance. Thus, in this study, we screened the juvenile hormone disruptor (JHD) and insecticidal activities of crude acetone extracts derived from various actinomycetes as novel biopesticide candidates. A total of 300 soil-derived actinomycetes were isolated from various sites in Korea, and were screened for their JHD and insecticidal activities against a range of important medical and agricultural pests. Among them, eight extracts showed high levels of JHD activity. The AN120590 strain showed a broad insecticidal spectrum with stably maintained JHD properties. Additionally, the dead larvae of <em>Aedes albopictus</em> and <em>Plutella xylostella</em> treated with acetone extracts of the AN120590 strain displayed morphological deformities similar to those of insects treated with juvenile hormone-based insect growth regulators (IGRs). These findings indicate that actinomycetes represent promising sources of novel IGRs that can be effectively applied as insecticides with a broad insecticidal spectrum.</p></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"27 3","pages":"Article 102279"},"PeriodicalIF":1.1,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141594839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Deltamethrin resistance intensity and synergistic effect of piperonyl butoxide for combating Aedes aegypti in dengue fever endemic areas in Thailand 泰国登革热流行地区对溴氰菊酯的抗药性强度和胡椒基丁醚防治埃及伊蚊的增效作用
IF 1.1 3区 农林科学
Journal of Asia-pacific Entomology Pub Date : 2024-06-17 DOI: 10.1016/j.aspen.2024.102282
Kanutcharee Thanispong , Sunaiyana Sathantriphop , Monthathip Kongmee , Wachiraporn Chitjaroen , Pracha Sukchot , Pasuree Suwannarat , Anchana Sumarnrote
{"title":"Deltamethrin resistance intensity and synergistic effect of piperonyl butoxide for combating Aedes aegypti in dengue fever endemic areas in Thailand","authors":"Kanutcharee Thanispong ,&nbsp;Sunaiyana Sathantriphop ,&nbsp;Monthathip Kongmee ,&nbsp;Wachiraporn Chitjaroen ,&nbsp;Pracha Sukchot ,&nbsp;Pasuree Suwannarat ,&nbsp;Anchana Sumarnrote","doi":"10.1016/j.aspen.2024.102282","DOIUrl":"https://doi.org/10.1016/j.aspen.2024.102282","url":null,"abstract":"<div><p>Insecticide resistance is threatening the effectiveness of efforts to control dengue vectors in Thailand. This study explores the levels of insecticide resistance in <em>Aedes aegypti</em> mosquitoes to deltamethrin. A study was carried out in dengue-endemic areas of Thailand to find the situation of insecticide susceptibility status of dengue vectors. Female <em>Ae. aegypti</em> mosquitoes were collected from <em>8</em> districts in different provinces and were exposed to various discriminating concentrations of deltamethrin (1×, 5×, and 10×) using the WHO insecticide resistance intensity bioassay. All tested populations of <em>Ae. aegypti</em> were found to be resistant to the WHO discriminating concentration of deltamethrin (0.03%). Mosquito populations collected from Surat Thani (SUT), Nakhon Si Thammarat (NST) and Ayutthaya (AYU) Provinces were resistant to deltamethrin exposure up to 10× the discriminating concentration suggesting the high resistant intensity. The effect of pre-exposure to the insecticide synergist, piperonyl butoxide (PBO), was also tested at the discriminating concentration of 0.03% deltamethrin. A significant increase in susceptibility to deltamethrin and knockdown percentage was observed in all populations of mosquitoes that were pre-exposed to PBO. These findings indicate that dengue control in Thailand with deltamethrin only could be threatened by high resistance in <em>Ae. aegypti</em> populations. It is recommended that vector control strategies incorporating PBO as an effective synergist can enhance the susceptibility of mosquitoes in the presence of deltamethrin resistance.</p></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"27 3","pages":"Article 102282"},"PeriodicalIF":1.1,"publicationDate":"2024-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141484491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Differentially and spatially expressed genes in the reproductive organs of the honeybee (Apis mellifera) drones 蜜蜂(Apis mellifera)无人驾驶飞行器生殖器官中的差异和空间表达基因
IF 1.5 3区 农林科学
Journal of Asia-pacific Entomology Pub Date : 2024-06-15 DOI: 10.1016/j.aspen.2024.102281
Jin Myung Kim , Yong Soo Choi , Kwang Sik Lee , Byung Rae Jin
{"title":"Differentially and spatially expressed genes in the reproductive organs of the honeybee (Apis mellifera) drones","authors":"Jin Myung Kim ,&nbsp;Yong Soo Choi ,&nbsp;Kwang Sik Lee ,&nbsp;Byung Rae Jin","doi":"10.1016/j.aspen.2024.102281","DOIUrl":"10.1016/j.aspen.2024.102281","url":null,"abstract":"<div><p>During the mating of honeybees (<em>Apis mellifera</em>), the seminal fluid and sperm produced by the drones’ reproductive organs are transferred to the queens’ spermatheca. However, compared to the reproductive organs of the queens, little is known about those of the drones. To identify genes that are differentially expressed in the drones’ reproductive organs during sexual maturation, we conducted a comprehensive transcriptome analysis of the respective organs across various developmental stages. Our investigation identified 20 genes with over a 50-fold enhancement in expression relative to their basal levels upon emergence. Among these genes, 13 had been previously predicted, while 7 had not been characterized. We conducted qRT-PCR to analyze the differential and spatial expression profiles of the identified 20 genes in the testes, seminal vesicles, and mucous glands of the drones. Our findings suggest that certain genes exhibit significantly elevated expressions in the reproductive tissues of the drones, indicating their potentially crucial roles in the reproduction of honeybees.</p></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"27 3","pages":"Article 102281"},"PeriodicalIF":1.5,"publicationDate":"2024-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141406646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Differential ovipositional preferences of Acraea terpsicore (Lepidoptera: Nymphalidae) on congeneric wild and introduced cultivated Passiflora plants based on differences in leaf characteristics 鳞翅目:蛱蝶科)根据叶片特征的差异对同源野生和引进栽培西番莲植物的不同产卵偏好
IF 1.5 3区 农林科学
Journal of Asia-pacific Entomology Pub Date : 2024-06-10 DOI: 10.1016/j.aspen.2024.102280
Chitsanuphong Phanthian , Vichaya Auvichayapat , Chatchawan Chaisuekul
{"title":"Differential ovipositional preferences of Acraea terpsicore (Lepidoptera: Nymphalidae) on congeneric wild and introduced cultivated Passiflora plants based on differences in leaf characteristics","authors":"Chitsanuphong Phanthian ,&nbsp;Vichaya Auvichayapat ,&nbsp;Chatchawan Chaisuekul","doi":"10.1016/j.aspen.2024.102280","DOIUrl":"https://doi.org/10.1016/j.aspen.2024.102280","url":null,"abstract":"<div><p><em>Acraea terpsicore</em> (Linnaeus, 1758) can utilize multiple host plants, particularly those in genus <em>Passiflora</em>, and poses a potential pest risk for introduced <em>Passiflora</em> plants and economically significant crops. In this study, the ovipositional preferences of an <em>A. terpsicore</em> population were investigated on four <em>Passiflora</em> species, including the wild host plant <em>P. foetida</em>, the fruit crop plant <em>P. edulis</em>, and two ornamental flower plants, <em>P.</em> × <em>alata-caerulea</em> and <em>P. × coccinea-caerulea</em>, as well as two non-<em>Passiflora</em> plants, <em>Cucumis sativus</em> and <em>Vigna unguiculata</em>. From a total of 4,059 eggs and 3,135 caterpillars, the majority of eggs were oviposited on <em>P. foetida</em> (50.63 %), followed by <em>P. × coccinea-caerulea</em> (23.40 %), <em>P. × alata-caerulea</em> (20.65 %), and <em>P. edulis</em> (5.32 %). Similarly, caterpillars were predominantly observed on <em>P. foetida</em> (38.66 %) and <em>P. × coccinea-caerulea</em> (38.50 %), followed by <em>P. × alata-caerulea</em> (17.86 %) and <em>P. edulis</em> (4.98 %). Meanwhile, neither eggs nor caterpillars were found on the non-<em>Passiflora</em> plants. Interestingly, the abundance of predatory arthropods mirrored the distribution of caterpillars. In addition, temperature and humidity strongly influenced the number of observed eggs and caterpillars. Although <em>A. terpsicore</em> preferred to oviposit on <em>P. foetida</em>, its caterpillars were equally abundant on <em>P. × coccinea-caerulea</em>. These differential ovipositional preferences and caterpillar proportions may be attributed to ovipositional preferences rather than caterpillars’ preferences. Although <em>A. terpsicore</em> is regarded as a non-pest species at present, this status may be altered if it encounters congeneric plants resembling its wild host plant within landscapes.</p></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"27 3","pages":"Article 102280"},"PeriodicalIF":1.5,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141329135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Host plant status of different cover crops for Pratylenchus penetrans and Meloidogyne chitwoodi 不同覆盖作物对 Pratylenchus penetrans 和 Meloidogyne chitwoodi 的寄主植物状况
IF 1.5 3区 农林科学
Journal of Asia-pacific Entomology Pub Date : 2024-06-09 DOI: 10.1016/j.aspen.2024.102272
Alexander Mbiro , Bekele.G. Kelbessa , Wim W.L. Wesemael
{"title":"Host plant status of different cover crops for Pratylenchus penetrans and Meloidogyne chitwoodi","authors":"Alexander Mbiro ,&nbsp;Bekele.G. Kelbessa ,&nbsp;Wim W.L. Wesemael","doi":"10.1016/j.aspen.2024.102272","DOIUrl":"https://doi.org/10.1016/j.aspen.2024.102272","url":null,"abstract":"<div><p>Nine different cover crops (different species or cultivars) were evaluated for their potential use in management of <em>Pratylenchus penetrans</em> and <em>Meloidogyne chitwoodi</em>. Pot experiments were done to assess the host status of cover crops in mixtures or as individual stands. Each pot was inoculated with 2000 <em>M. chitwoodi</em> (second-stage juveniles) or 500 <em>P. penetrans</em> (mixture of juveniles and adults). The experiments were terminated after 60 days and nematodes were extracted from both mineral and organic fractions. Based on nematode reproduction factor, alfalfa cv. Alpha + fodder radish cv. Doublemax mixture, white clover cv. Melital + bird’s foot trefoil cv. Bull mixture, red clover cv. Lemmon + arugula cv. Nemat mixture, English ryegrass cv. Meltador + arugula cv. Nemat mixture, fodder radish cv. Doublemax, bird’s foot trefoil cv. Bull and arugula cv. Nemat, with reproduction factors 0.24, 0.76, 0.54, 0.92, 0.15, 0.22 and 0.17, respectively, were poor hosts of <em>M. chitwoodi</em> while Fodder radish cv. Doublemax, English ryegrass cv. Meltador and arugula cv. Nemat with reproduction factors 0.74, 0.81 and 0.69, respectively, were poor hosts of <em>P. penetrans</em>.</p></div>","PeriodicalId":15094,"journal":{"name":"Journal of Asia-pacific Entomology","volume":"27 3","pages":"Article 102272"},"PeriodicalIF":1.5,"publicationDate":"2024-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141322427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Comparative analysis of codon usage patterns of venom gland-specific honeybee-infecting viruses in solitary hunting and social wasps 独居狩猎蜂和群居蜂毒腺特异性蜜蜂感染病毒密码子使用模式的比较分析
IF 1.5 3区 农林科学
Journal of Asia-pacific Entomology Pub Date : 2024-06-08 DOI: 10.1016/j.aspen.2024.102276
Kyungjae Andrew Yoon , Woo Jin Kim , Si Hyeock Lee
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