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6. New insights into freshwater ascomycetes: discovery of novel species in diverse aquatic habitats.

Author

Li, Lu, Bhat, Darbhe Jayarama, Jiang, Hong-Bo, Li, Jun-Fu, Dawoud, Turki M., Sun, Fangqi, Haituk, Sukanya, Cheewangkoon, Ratchadawan, and Phookamsak, Rungtiwa

Subjects
WOOD decay, AQUATIC habitats, CONIDIA, BAYESIAN field theory, BAYESIAN analysis
Abstract

During investigations of freshwater fungi in Hunan and Yunnan provinces, China, Chaetopsina yunnanensis sp. nov. (Nectriaceae), Parafuscosporella hunanensis sp. nov. (Fuscosporellaceae), and Pleurotheciella yunnanensis sp. nov. (Pleurotheciaceae) were discovered on submerged decaying wood and branches. Based on phylogenetic analyses, C. yunnanensis formed a separate branch with Chaetopsina pinicola and nested among other Chaetopsina species in Nectriaceae (Hypocreales). Furthermore, hitherto known Chaetopsina beijingensis shared the same branch with Chaetopsina fulva , a type species of the genus, demonstrating their conspecific status. Therefore, C. beijingensis is formally synonymized under C. fulva , with an amended species circumscription. Pa. hunanensis formed a well-separated subclade with the ex-type strain of Parafuscosporella mucosa and clustered with other Parafuscosporella within Fuscosporellaceae (Fuscosporellales). In addition, the genus Parafuscosporella is treated as distinct from Vanakripa due to a lack of phylogenetic evidence in clarifying their congeneric status with the latter. Pl. yunnanensis is found to be sister to Pleurotheciella saprophytica , forming a subclade with Pleurotheciella dimorphospora within the Pleurotheciaceae (Pleurotheciales). Morphologically, C. yunnanensis fits well with the generic concept of Chaetopsina in forming a holomorphic state with hyphomycetous asexual morph producing pigmented, setiform conidiophores, phialidic conidiogenous cells, hyaline conidia, and nectria-like sexual morph. Pa. hunanensis fits well with Parafuscosporella in having acrogenous, apiosporous, versicolored, obovoid to obpyriform conidia. In contrast, Pl. yunnanensis resembles Pl. dimorphospora in forming asexual dimorphism with two types of conidia (Type I, brown, muriform/phragmosporous conidia; Type II, hyaline, amerosporous/didymorsporous conidia). The novelty of taxa is explained with detailed descriptions, photo-micrographic illustrations, polymorphism, and multigene phylogenetic analyses of Bayesian inference and maximum likelihood criteria. [ABSTRACT FROM AUTHOR]

Published
2025
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7. The Determinants of Student Attitude toward E-Learning Academic Achievement during the COVID-19 Pandemic

Author

Zheng, Hui, Jiang, Hong-bo, Wang, Jin-Long, and Liu, Shih-Hao

Abstract

Many educational institutions have adopted e-learning methods during the COVID-19 pandemic to maintain school teaching activities. However,systematic research on e-learning effectiveness in such a crisis is quite insufficient. This study aims to explore the impact of e-learning quality on students' satisfaction during the pandemic in regard to academic achievement and behavioral intention. Through a questionnaire and semester score database, the relevant data of 683 students were collected and then analyzed by PLS-SEM. The result shows that instructor teaching quality and e-learning system quality influence students' academic achievement and behavioral intention through increasing students' e-learning satisfaction. E-learning system quality moderated the impact of instructor teaching quality on students' e-learning satisfaction. The findings of this study provide valuable insights into the comprehensive implementation of e-learning during a crisis.

Published
2021
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10. Fungal diversity notes 1387–1511: taxonomic and phylogenetic contributions on genera and species of fungal taxa

Author

Boonmee, Saranyaphat, Wanasinghe, Dhanushka N., Calabon, Mark S., Huanraluek, Naruemon, Chandrasiri, Sajini K. U., Jones, Gareth E. B., Rossi, Walter, Leonardi, Marco, Singh, Sanjay K., Rana, Shiwali, Singh, Paras N., Maurya, Deepak K., Lagashetti, Ajay C., Choudhary, Deepika, Dai, Yu-Cheng, Zhao, Chang-Lin, Mu, Yan-Hong, Yuan, Hai-Sheng, He, Shuang-Hui, Phookamsak, Rungtiwa, Jiang, Hong-Bo, Martín, María P., Dueñas, Margarita, Telleria, M. Teresa, Kałucka, Izabela L., Jagodziński, Andrzej M., Liimatainen, Kare, Pereira, Diana S., Phillips, Alan J. L., Suwannarach, Nakarin, Kumla, Jaturong, Khuna, Surapong, Lumyong, Saisamorn, Potter, Tarynn B., Shivas, Roger G., Sparks, Adam H., Vaghefi, Niloofar, Abdel-Wahab, Mohamed A., Abdel-Aziz, Faten A., Li, Guo-Jie, Lin, Wen-Fei, Singh, Upendra, Bhatt, Rajendra P., Lee, Hyang Burm, Nguyen, Thuong T. T., Kirk, Paul M., Dutta, Arun Kumar, Acharya, Krishnendu, Sarma, V. Venkateswara, Niranjan, M., Rajeshkumar, Kunhiraman C., Ashtekar, Nikhil, Lad, Sneha, Wijayawardene, Nalin N., Bhat, Darbe J., Xu, Rong-Ju, Wijesinghe, Subodini N., Shen, Hong-Wei, Luo, Zong-Long, Zhang, Jing-Yi, Sysouphanthong, Phongeun, Thongklang, Naritsada, Bao, Dan-Feng, Aluthmuhandiram, Janith V. S., Abdollahzadeh, Jafar, Javadi, Alireza, Dovana, Francesco, Usman, Muhammad, Khalid, Abdul Nasir, Dissanayake, Asha J., Telagathoti, Anusha, Probst, Maraike, Peintner, Ursula, Garrido-Benavent, Isaac, Bóna, Lilla, Merényi, Zsolt, Boros, Lajos, Zoltán, Bratek, Stielow, J. Benjamin, Jiang, Ning, Tian, Cheng-Ming, Shams, Esmaeil, Dehghanizadeh, Farzaneh, Pordel, Adel, Javan-Nikkhah, Mohammad, Denchev, Teodor T., Denchev, Cvetomir M., Kemler, Martin, Begerow, Dominik, Deng, Chun-Ying, Harrower, Emma, Bozorov, Tohir, Kholmuradova, Tutigul, Gafforov, Yusufjon, Abdurazakov, Aziz, Xu, Jian-Chu, Mortimer, Peter E., Ren, Guang-Cong, Jeewon, Rajesh, Maharachchikumbura, Sajeewa S. N., Phukhamsakda, Chayanard, Mapook, Ausana, and Hyde, Kevin D.

Published
2021
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13. Refined families of Dothideomycetes: orders and families incertae sedis in Dothideomycetes

Author

Hongsanan, Sinang, Hyde, Kevin D., Phookamsak, Rungtiwa, Wanasinghe, Dhanushka N., McKenzie, Eric H. C., Sarma, V. Venkateswara, Lücking, Robert, Boonmee, Saranyaphat, Bhat, Jayarama D., Liu, Ning-Guo, Tennakoon, Danushka S., Pem, Dhandevi, Karunarathna, Anuruddha, Jiang, Shu-Hua, Jones, Gareth E. B., Phillips, Alan J. L., Manawasinghe, Ishara S., Tibpromma, Saowaluck, Jayasiri, Subashini C., Sandamali, Diana, Jayawardena, Ruvishika S., Wijayawardene, Nalin N., Ekanayaka, Anusha H., Jeewon, Rajesh, Lu, Yong-Zhong, Phukhamsakda, Chayanard, Dissanayake, Asha J., Zeng, Xiang-Yu, Luo, Zong-Long, Tian, Qing, Thambugala, Kasun M., Dai, Dongqin, Samarakoon, Milan C., Chethana, K. W. Thilini, Ertz, Damien, Doilom, Mingkwan, Liu, Jian-Kui (Jack), Pérez-Ortega, Sergio, Suija, Ave, Senwanna, Chanokned, Wijesinghe, Subodini N., Niranjan, Mekala, Zhang, Sheng-Nan, Ariyawansa, Hiran A., Jiang, Hong-Bo, Zhang, Jin-Feng, Norphanphoun, Chada, de Silva, Nimali I., Thiyagaraja, Vinodhini, Zhang, Huang, Bezerra, Jadson D. P., Miranda-González, Ricardo, Aptroot, André, Kashiwadani, Hiroyuki, Harishchandra, Dulanjalee, Sérusiaux, Emmanuël, Abeywickrama, Pranami D., Bao, Dan-Feng, Devadatha, Bandarupalli, Wu, Hai-Xia, Moon, Kwang Hee, Gueidan, Cecile, Schumm, Felix, Bundhun, Digvijayini, Mapook, Ausana, Monkai, Jutamart, Bhunjun, Chitrabhanu S., Chomnunti, Putarak, Suetrong, Satinee, Chaiwan, Napalai, Dayarathne, Monika C., Yang, Jing, Rathnayaka, Achala R., Xu, Jian-Chu, Zheng, Jiesheng, Liu, Gang, Feng, Yao, and Xie, Ning

Published
2020
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14. The numbers of fungi: is the descriptive curve flattening?

Author

Hyde, Kevin D., Jeewon, Rajesh, Chen, Yi-Jyun, Bhunjun, Chitrabhanu S., Calabon, Mark S., Jiang, Hong-Bo, Lin, Chuan-Gen, Norphanphoun, Chada, Sysouphanthong, Phongeun, Pem, Dhandevi, Tibpromma, Saowaluck, Zhang, Qian, Doilom, Mingkwan, Jayawardena, Ruvishika S., Liu, Jian-Kui, Maharachchikumbura, Sajeewa S. N., Phukhamsakda, Chayanard, Phookamsak, Rungtiwa, Al-Sadi, Abdullah M., Thongklang, Naritsada, Wang, Yong, Gafforov, Yusufjon, Gareth Jones, E. B., and Lumyong, Saisamorn

Published
2020
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23. Repellency, Toxicity, and Chemical Composition of Plant Essential Oils from Myrtaceae against Asian Citrus Psyllid, Diaphorina citri Kuwayama (Hemiptera Liviidae).

Author

Li, Yi-Jie, Liu, Tian-Ao, Zhao, Hang, Han, Yang, Lou, Bing-Hai, Lei, Cui-Yun, Song, Ya-Qin, and Jiang, Hong-Bo

Subjects
CHEMICAL composition of plants, BOTANICAL insecticides, GUAVA, ESSENTIAL oils, VEGETABLE oils, CITRUS greening disease
Abstract

Diaphorina citri Kuwayama (D. citri) is one of the major pests in the citrus industry, which spreads Citrus Huanglongbing disease. It has developed resistance to chemical insecticides. Therefore, searching for greener solutions for pest management is critically important. The main aim of this study was to evaluate the repellent and insecticidal efficacy of essential oils (EOs) from four species of Myrtaceae plants: Psidium guajava (PG), Eucalyptus robusta (ER), Eucalyptus tereticornis (ET), and Baeckea frutescens (BF) against D. citri and to analyze their chemical compositions. GC-MS analysis was performed, and the results indicated that the EOs of PG, ER, ET, and BF were rich in terpenoids, ketones, esters, and alcohol compounds. The repellent rate of all four EOs showed that it decreased with exposure time but increased with the concentration of EOs from 80.50% to 100.00% after treating D. citri for 6 h with four EOs at 100% concentration and decreased to 67.71% to 85.49% after 24 h of exposure. Among the compounds from the EOs tested, eucalyptol had the strongest repellent activity, with a 24 h repellency rate of 100%. The contact toxicity bioassay results showed that all EOs have insecticidal toxicity to D. citri; the LC50 for nymphs was 36.47–93.15 mL/L, and for adults, it was 60.72–111.00 mL/L. These results show that when PG is used as the reference material, the ER, ET, and BF EOs have strong biological activity against D. citri, which provides a scientific basis for the further development of plant-derived agrochemicals. [ABSTRACT FROM AUTHOR]

Published
2024
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26. Ophiobolus hydei sp. nov. (Phaeosphaeriaceae, Ascomycota) from Cirsium and Phlomoides in Uzbekistan

Author

Gafforov, Yusufjon, Phookamsak, Rungtiwa, Jiang, Hong-Bo, Wanasinghe, Dhanushka N., and Juliev, Mukhiddin

Subjects
Phylogeny, Biological sciences, Chinese Academy of Sciences
Abstract

We introduce a new fungal species, Ophiobolus hydei, from dead stems of Cirsium alatum (Compositae) and Phlomoides brachystegia (Lamiaceae), based on morphological and phylogenetic evidence. The species was collected from the Mountains of Western Tien Shan and southwestern Hissar in Uzbekistan. Ophiobolus hydei is characterized by globose to subglobose ascomata with short to long papilla, cylindrical to subcylindric-clavate asci, broad pseudoparaphyses, and scolecosporous, yellowish-brown to brown, filiform, multiseptate ascospores that can split into several part-spores at the septa. Multigene phylogenetic analyses using a combined gene analysis of ITS, LSU, SSU, and TEF1-[alpha] indicated that the new species has a close affinity to Ophiobolus ponticus, but differs from that species in the micromorphological characteristics of the ascomata, asci, and ascospores, as well as biogeographic distribution. A distribution map, morphological descriptions, and illustrations with colour photographs of the novel species are provided. Key words: new species, ascomycetous microfungi, Central Asia, Compositae, GIS, multigene, Lamiaceae, Pleosporales, phylogeny. Les auteurs presentent une nouvelle espece, Ophiobolus hydei, isolee de tiges mortes de Cirsium alatum (Compositae) et de Phlomoides brachystegia (Lamiaceae), identifiee sur la base de donnees morphologiques et phylogenetiques. L'espece a ete recoltee dans les montagnes du Tien Shan de l'Ouest et des monts Hissar du Sud-ouest, en Ouzbekistan. Ophiobolus hydei est caracterise par des ascomes globuleux a subglobuleux avec des papilles courtes a longues, des asques cylindriques a subcylindriques a claves, de larges pseudoparaphyses et des ascospores scolecosporeuses, de couleur brune jaunâtre a brune, filiformes, multiseptees qui peuvent se fragmenter en plusieurs spores au septum. Les analyses phylogenetiques multigeniques realisees par la combinaison de l'analyse des genes de l'ITS, de la LSU, de la SSU et de TEF1-[alpha] ont indique que cette nouvelle espece presente une affinite etroite avec Ophiobolus ponticus mais qu'elle s'en distingue par les caracteristiques micromorphologiques des ascomes, des asques, et des ascospores, de meme que par sa distribution biogeographique. Une carte de la distribution, des descriptions et des illustrations morphologiques et des photographies en couleur de la nouvelle espece sont presentees. [Traduit par la Redaction] Mots-cles: une nouvelle espece, microchampignon ascomycete, Asie centrale, Compositae, GIS, multigenique, Lamiaceae, Pleosporales, phylogenie., Introduction Phaeosphaeriaceae is one of the largest families in Pleosporales, comprising over 60 genera and more than 400 species (Phookamsak et al. 2014, 2017, 2019; Wanasinghe et al. 2018a; Wijayawardene [...]

Published
2019
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27. Fungal diversity notes 1151–1276: taxonomic and phylogenetic contributions on genera and species of fungal taxa

Author

Hyde, Kevin D., Dong, Yang, Phookamsak, Rungtiwa, Jeewon, Rajesh, Bhat, D. Jayarama, Jones, E. B. Gareth, Liu, Ning-Guo, Abeywickrama, Pranami D., Mapook, Ausana, Wei, Deping, Perera, Rekhani H., Manawasinghe, Ishara S., Pem, Dhandevi, Bundhun, Digvijayini, Karunarathna, Anuruddha, Ekanayaka, Anusha H., Bao, Dan-Feng, Li, Junfu, Samarakoon, Milan C., Chaiwan, Napalai, Lin, Chuan-Gen, Phutthacharoen, Kunthida, Zhang, Sheng-Nan, Senanayake, Indunil C., Goonasekara, Ishani D., Thambugala, Kasun M., Phukhamsakda, Chayanard, Tennakoon, Danushka S., Jiang, Hong-Bo, Yang, Jing, Zeng, Ming, Huanraluek, Naruemon, Liu, Jian-Kui (Jack), Wijesinghe, Subodini N., Tian, Qing, Tibpromma, Saowaluck, Brahmanage, Rashika S., Boonmee, Saranyaphat, Huang, Shi-Ke, Thiyagaraja, Vinodhini, Lu, Yong-Zhong, Jayawardena, Ruvishika S., Dong, Wei, Yang, Er-Fu, Singh, Sanjay K., Singh, Shiv Mohan, Rana, Shiwali, Lad, Sneha S., Anand, Garima, Devadatha, Bandarupalli, Niranjan, M., Sarma, V. Venkateswara, Liimatainen, Kare, Aguirre-Hudson, Begoña, Niskanen, Tuula, Overall, Andy, Alvarenga, Renato Lúcio Mendes, Gibertoni, Tatiana Baptista, Pfliegler, Walter P., Horváth, Enikő, Imre, Alexandra, Alves, Amanda Lucia, da Silva Santos, Ana Carla, Tiago, Patricia Vieira, Bulgakov, Timur S., Wanasinghe, Dhanushaka N., Bahkali, Ali H., Doilom, Mingkwan, Elgorban, Abdallah M., Maharachchikumbura, Sajeewa S. N., Rajeshkumar, Kunhiraman C., Haelewaters, Danny, Mortimer, Peter E., Zhao, Qi, Lumyong, Saisamorn, Xu, Jianchu, and Sheng, Jun

Published
2020
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29. Fungal diversity notes 1036–1150: taxonomic and phylogenetic contributions on genera and species of fungal taxa

Author

Hyde, Kevin D., Tennakoon, Danushka S., Jeewon, Rajesh, Bhat, D. Jayarama, Maharachchikumbura, Sajeewa S. N., Rossi, Walter, Leonardi, Marco, Lee, Hyang Burm, Mun, Hye Yeon, Houbraken, Jos, Nguyen, Thuong T. T., Jeon, Sun Jeong, Frisvad, Jens Christian, Wanasinghe, Dhanushka N., Lücking, Robert, Aptroot, André, Cáceres, Marcela E. S., Karunarathna, Samantha C., Hongsanan, Sinang, Phookamsak, Rungtiwa, de Silva, Nimali I., Thambugala, Kasun M., Jayawardena, Ruvishika S., Senanayake, Indunil C., Boonmee, Saranyaphat, Chen, Jie, Luo, Zong-Long, Phukhamsakda, Chayanard, Pereira, Olinto L., Abreu, Vanessa P., Rosado, André Wilson Campos, Bart, Buyck, Randrianjohany, Emile, Hofstetter, Valérie, Gibertoni, Tatiana B., Soares, Adriene Mayra da Silva, Plautz, Jr., Helio Longoni, Sotão, Helen Maria Pontes, Xavier, William Kalhy Silva, Bezerra, Jadson Diogo Pereira, de Oliveira, Thays Gabrielle Lins, de Souza-Motta, Cristina Maria, Magalhães, Oliane Maria Correia, Bundhun, Digvijayini, Harishchandra, Dulanjalee, Manawasinghe, Ishara S., Dong, Wei, Zhang, Sheng-Nan, Bao, Dan-Feng, Samarakoon, Milan C., Pem, Dhandevi, Karunarathna, Anuruddha, Lin, Chuan-Gen, Yang, Jing, Perera, Rekhani H., Kumar, Vinit, Huang, Shi-Ke, Dayarathne, Monika C., Ekanayaka, Anusha H., Jayasiri, Subashini C., Xiao, Yuanpin, Konta, Sirinapa, Niskanen, Tuula, Liimatainen, Kare, Dai, Yu-Cheng, Ji, Xiao-Hong, Tian, Xue-Mei, Mešić, Armin, Singh, Sanjay K., Phutthacharoen, Kunthida, Cai, Lei, Sorvongxay, Touny, Thiyagaraja, Vinodhini, Norphanphoun, Chada, Chaiwan, Napalai, Lu, Yong-Zhong, Jiang, Hong-Bo, Zhang, Jin-Feng, Abeywickrama, Pranami D., Aluthmuhandiram, Janith V. S., Brahmanage, Rashika S., Zeng, Ming, Chethana, Thilini, Wei, Deping, Réblová, Martina, Fournier, Jacques, Nekvindová, Jana, do Nascimento Barbosa, Renan, dos Santos, José Ewerton Felinto, de Oliveira, Neiva Tinti, Li, Guo-Jie, Ertz, Damien, Shang, Qiu-Ju, Phillips, Alan J. L., Kuo, Chang-Hsin, Camporesi, Erio, Bulgakov, Timur S., Lumyong, Saisamorn, Jones, E. B. Gareth, Chomnunti, Putarak, Gentekaki, Eleni, Bungartz, Frank, Zeng, Xiang-Yu, Fryar, Sally, Tkalčec, Zdenko, Liang, Junmin, Li, Guangshuo, Wen, Ting-Chi, Singh, Paras Nath, Gafforov, Yusufjon, Promputtha, Itthayakorn, Yasanthika, Erandi, Goonasekara, Ishani D., Zhao, Rui-Lin, Zhao, Qi, Kirk, Paul M., Liu, Jian-Kui, Yan, JiYe, Mortimer, Peter E., Xu, Jianchu, and Doilom, Mingkwan

Published
2019
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31. Fungal diversity notes 929–1035: taxonomic and phylogenetic contributions on genera and species of fungi

Author

Phookamsak, Rungtiwa, Hyde, Kevin D., Jeewon, Rajesh, Bhat, D. Jayarama, Jones, E. B. Gareth, Maharachchikumbura, Sajeewa S. N., Raspé, Olivier, Karunarathna, Samantha C., Wanasinghe, Dhanushka N., Hongsanan, Sinang, Doilom, Mingkwan, Tennakoon, Danushka S., Machado, Alexandre R., Firmino, André L., Ghosh, Aniket, Karunarathna, Anuruddha, Mešić, Armin, Dutta, Arun Kumar, Thongbai, Benjarong, Devadatha, Bandarupalli, Norphanphoun, Chada, Senwanna, Chanokned, Wei, Deping, Pem, Dhandevi, Ackah, Frank Kwekucher, Wang, Gen-Nuo, Jiang, Hong-Bo, Madrid, Hugo, Lee, Hyang Burm, Goonasekara, Ishani D., Manawasinghe, Ishara S., Kušan, Ivana, Cano, Josep, Gené, Josepa, Li, Junfu, Das, Kanad, Acharya, Krishnendu, Raj, K. N. Anil, Latha, K. P. Deepna, Chethana, K. W. Thilini, He, Mao-Qiang, Dueñas, Margarita, Jadan, Margita, Martín, María P., Samarakoon, Milan C., Dayarathne, Monika C., Raza, Mubashar, Park, Myung Soo, Telleria, M. Teresa, Chaiwan, Napalai, Matočec, Neven, de Silva, Nimali I., Pereira, Olinto L., Singh, Paras Nath, Manimohan, Patinjareveettil, Uniyal, Priyanka, Shang, Qiu-Ju, Bhatt, Rajendra P., Perera, Rekhani H., Alvarenga, Renato Lúcio Mendes, Nogal-Prata, Sandra, Singh, Sanjay K., Vadthanarat, Santhiti, Oh, Seung-Yoon, Huang, Shi-Ke, Rana, Shiwali, Konta, Sirinapa, Paloi, Soumitra, Jayasiri, Subashini C., Jeon, Sun Jeong, Mehmood, Tahir, Gibertoni, Tatiana Baptista, Nguyen, Thuong T. T., Singh, Upendra, Thiyagaraja, Vinodhini, Sarma, V. Venkateswara, Dong, Wei, Yu, Xian-Dong, Lu, Yong-Zhong, Lim, Young Woon, Chen, Yun, Tkalčec, Zdenko, Zhang, Zhi-Feng, Luo, Zong-Long, Daranagama, Dinushani A., Thambugala, Kasun M., Tibpromma, Saowaluck, Camporesi, Erio, Bulgakov, Timur S., Dissanayake, Asha J., Senanayake, Indunil C., Dai, Dong Qin, Tang, Li-Zhou, Khan, Sehroon, Zhang, Huang, Promputtha, Itthayakorn, Cai, Lei, Chomnunti, Putarak, Zhao, Rui-Lin, Lumyong, Saisamorn, Boonmee, Saranyaphat, Wen, Ting-Chi, Mortimer, Peter E., and Xu, Jianchu

Published
2019
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32. Image

Author

Neema, Shekhar, Singh, Vivek Kumar, Shaw, Subhash Chandra, Jiang, Hong-Bo, Shen, Wei-Min, Chamli, Amal, Zaouak, Anissa, Hammami, Houda, Özdemir, Zeynep Canan, and Töret, Ersin

Published
2021
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45. Tuta absoluta management in China: progress and prospects

Author

Wang, Ming-hui, Ismoilov, Khasan, Liu, Wan-xue, Bai, Ming, Bai, Xiao-shuan, Chen, Bin, Chen, Hao-liang, Chen, Hong-song, Dong, Yong-cheng, Fang, Kui, Gui, Fu-rong, Huang, Guo-Hua, Jiang, Chun-mei, Jiang, Hong-bo, Li, Xiao-wei, Luo, Chen, Luo, Chen, Lu, Zhao-zhi, Lu, Yao-bin, Ma, De-ying, Pu, De-qiang, Qu, Yanyan, Sang, Wen, Song, Li-mei, Sun, Xiao, Sun, Yuan-xing, Wan, Bin, Wang, Xin-pu, Yang, Wen-jia, Yang, Xue-qing, Yao, Feng-luan, Ye, Zheng-pei, Zhang, Li-yun, Zhang, Xiao-ming, Zhang, Ye, Zhao, Chen-chen, Zhou, Qiong, Zhou, Wen-wu, Zhu, Wen-ya, Rodriguez-Saona, Cesar, Biondi, Antonio, Jaworski, Coline.C., Zhang, Yibo, Desneux, Nicolas, and Han, Peng

Abstract

The South American tomato pinworm, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), has invaded most Afro-Eurasian countries. Since its first detection in China in late 2017, this pest has been now present in nearly 20 provinces/prefectures in China and is threating tomato and other Solanaceous crops such as potato, eggplants, and tobacco. Here, we provide a timely review on the current distribution, damage, management, and research in China. A standard survey form was designed and 30 answered surveys from 25 provinces have been received. The data showed that the damage has been witnessed in most of the regions despite that the severities vary among the regions. The management is chemical-control biased, and more efforts are needed to increase the adoption of non-chemical alternatives in the Integrated Pest Management packages. An Integrated Pest Management (IPM) package called “CAMEFA” was developed and demonstrated in Yunnan and Xinjiang, the two earliest regions for the invasion. Yet, the adoption by local growers is still limited. Besides T. absoluta, we suggest a multi-pest approach by combing IPM tactics coping with other major insect pests sharing the crop. Lastly, international projects are deemed to serve as a key lever for promoting IPM of T. absoluta and other invasive insect pests.

Published
2024
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46. An Odorant Receptor Expressed in Both Antennae and Ovipositors Regulates Benzothiazole-Induced Oviposition Behavior in Bactrocera dorsalis

Author

Xu, Li, Jiang, Hong-Bo, Yu, Jie-Ling, Lei, Quan, Pan, Deng, Chen, Yang, Dong, Bao, Liu, Zhao, and Wang, Jin-Jun

Abstract

The oriental fruit fly,Bactrocera dorsalis(Hendel), is a notorious pest of fruit crops, causing severe damage to fleshy fruits during oviposition and larval feeding. Gravid females locate suitable oviposition sites by detecting the host volatiles. Here, the oviposition preference of antenna-removed females and the electrophysiological response of ovipositors to benzothiazole indicated that both antennae and ovipositors are involved in perceiving benzothiazole. Subsequently, odorant receptors (ORs) expressed in both antennae and ovipositors were screened, and BdorOR43a-1 was further identified to respond to benzothiazole using voltage-clamp recording. Furthermore, BdorOR43a-1–/–mutants were obtained using the CRISPR/Cas9 system and their oviposition preference to benzothiazole was found to be significantly altered compared to WT females, suggesting that BdorOR43a-1 is one of the important ORs for benzothiazole perception. Our results not only demonstrate the important role of antennae and ovipositors in benzothiazole-induced oviposition but also elucidate on the OR responsible for benzothiazole perception in B. dorsalis.

Published
2024
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