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Journal articles on the topic 'Papaya Leaf Curl'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Nadeem, A., T. Mehmood, M. Tahir, S. Khalid, and Z. Xiong. "First Report of Papaya Leaf Curl Disease in Pakistan." Plant Disease 81, no. 11 (1997): 1333. http://dx.doi.org/10.1094/pdis.1997.81.11.1333b.

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Papaya plants with virus-disease-like symptoms were observed in back yards and commercial groves in Multan, Pakistan. Leaves of the diseased plants displayed downward curling and thickened, dark green veins. Leaf-like enations grew from the base of the diseased leaves. These symptoms are similar to those of cotton leaf curl disease. In addition, diseased papayas were stunted and distorted. Leaf extracts from 3 diseased and 2 healthy papayas were tested in enzyme-linked immunosorbent assay against antibodies to geminiviruses. SCRI-52 and SCRI-60, two monoclonal antibodies to Indian cassava mosa

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2

Yasmin, S., N. I. Raja, S. Hameed, and J. K. Brown. "First Association of Pedilanthus leaf curl virus, Papaya leaf curl virus, Cotton leaf curl Kokhran virus, and Papaya leaf curl betasatellite with Symptomatic Chilli Pepper in Pakistan." Plant Disease 101, no. 12 (2017): 2155. http://dx.doi.org/10.1094/pdis-06-17-0883-pdn.

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3

Kumar, Susheel, Rashmi Raj, Lalit Agrawal, et al. "Association of an isolate of papaya leaf curl virus and papaya leaf curl betasatellite with leaf curl disease of radish in India." Journal of Plant Pathology 103, no. 2 (2021): 629–34. http://dx.doi.org/10.1007/s42161-021-00764-x.

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4

Udavatha, Premchand, Raghavendra K. Mesta, Mantapla Puttappa Basavarajappa, et al. "Identification of Novel Begomoviruses Associated with Leaf Curl Disease of Papaya (Carica papaya L.) in India." Agronomy 13, no. 1 (2022): 3. http://dx.doi.org/10.3390/agronomy13010003.

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Papaya (Carica papaya L.) is one of the most important fruit crops grown in tropical and subtropical regions of the world. Papaya leaf curl disease is one of the greatest concerns next to Papaya ring spot disease for India and the world. A survey was conducted during the year 2019 to 2021 for assessing the leaf curl disease incidence in five major papaya-growing districts of Karnataka State, India. The incidence ranged from 10 to 21 percent, with plants expressing typical begomovirus symptoms. Thirty-two virus-infected papaya samples (PLC-1 to PLC-32), collected from different farmer’s fields,

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5

Chang, L. S., Y. S. Lee, H. J. Su, and T. H. Hung. "First Report of Papaya leaf curl virus Infecting Papaya Plants in Taiwan." Plant Disease 87, no. 2 (2003): 204. http://dx.doi.org/10.1094/pdis.2003.87.2.204a.

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Papaya leaf curl disease was first reported in India in 1939 (1). Caused by begomovirus, Papaya leaf curl virus (PaLCV) (2), this disease was discovered in the papaya orchards of southern Taiwan in 2002. Infected papaya developed symptoms such as downward curling of leaves, twisted petioles, vein enation, and stunting. Diseased plants produced small and distorted fruits that tend to fall prematurely. Typical twin virion was observed in the diseased papaya cells by electron microscopy. In addition, our whitefly-transmission test demonstrated that the sweet potato whitefly (Bemisia tabaci) could

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6

M., A. Kabir1 F. Begum1 A. N. Faruq1 J. Lee2 N.N. Tonu1*. "FIELD SURVEY ON PAPAYA VIRAL DISEASES IN MAJOR PAPAYA GROWING DISTRICTS IN BANGLADESH." INTERNATIONAL JOURNAL OF RESEARCH SCIENCE & MANAGEMENT 4, no. 10 (2017): 57–66. https://doi.org/10.5281/zenodo.1019409.

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To investigate the papaya viral diseases in Bangladesh, an extensive survey was conducted at 10 upazilas of 6 selected major papaya growing districts of Bangladesh to collect the information and present status of different virus diseases of papaya in field. With the assistance of DAE, 20 farmers from each upazila were selected for interview on the incidence and severity of viral diseases of papaya crop in the field at seedling, flowering and fruiting stage. Direct personal interview approach was adopted for collection of primary data. Collected data were compiled, analysis and summarized by SP

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7

Saxena, Sangeeta, Vipin Hallan, B. P. Singh, and P. V. Sane. "Leaf Curl Disease of Carica papaya from India May Be Caused by a Bipartite Geminivirus." Plant Disease 82, no. 1 (1998): 126. http://dx.doi.org/10.1094/pdis.1998.82.1.126a.

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Papaya has considerable economic importance to agriculture in India. Papaya leaf curl disease was first reported in 1939 by Thomas and Krishnaswamy (3). This disease is of moderate incidence and widely distributed in India. Recent observations of papaya fields in India indicated that there has been a continued increase in the incidence of papaya leaf curl disease (as shown by symptoms), resulting in severe economic losses. The disease is characterized by downward curling and cupping of leaves followed by vein clearing and thickening. Enations develop in the form of frills on green veins. The a

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8

Raj, S. K., S. K. Snehi, M. S. Khan, R. Singh, and A. A. Khan. "Molecular evidence for association ofTomato leaf curl New Delhi viruswith leaf curl disease of papaya (Carica papayaL.) in India." Australasian Plant Disease Notes 3, no. 1 (2008): 152. http://dx.doi.org/10.1071/dn08059.

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9

Raj, S. K., S. K. Snehi, M. S. Khan, R. Singh, and A. A. Khan. "Molecular evidence for association ofTomato leaf curl New Delhi virus with leaf curl disease of papaya (Carica papaya L.) in India." Australasian Plant Disease Notes 3, no. 1 (2008): 152–55. http://dx.doi.org/10.1007/bf03211275.

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10

A, Sainath Chaithanya, and Rachana M. "Identification of Diseased Papaya Leaf through Transfer Learning." Indian Journal of Science and Technology 16, no. 48 (2023): 4676–87. https://doi.org/10.17485/IJST/v16i48.2690.

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Abstract <strong>Background/Objectives:</strong> Papaya leaf being an excellent source of bioactive compounds plays a crucial role in the formulation of Ayurvedic remedies, irrespective of medicinal usage Papaya leaves are frequently affected by diseases which harm the crop and decrease its productivity. Hence, it urges for disease detection. <strong>Methods/Statistical analysis:</strong> Utilizing computer vision methods to detect diseases, presents a solution to the limitations of constant human supervision. The study introduces a transfer learning model built upon the Resnet-

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11

Sinha, V., A. Kumar, D. Bhatnagar, and J. A. Khan. "Association ofCotton leaf curl Multan virusand its satellite molecules with leaf curl disease of papaya in India." New Disease Reports 27 (March 6, 2013): 9. http://dx.doi.org/10.5197/j.2044-0588.2013.027.009.

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12

Lal, Aamir, Eui-Joon Kil, Kainat Rauf, Muhammad Ali, and Sukchan Lee. "First Report of Papaya leaf curl virus Associated with Leaf Curl Disease in Cestrum nocturnum in Pakistan." Plant Disease 104, no. 11 (2020): 3089. http://dx.doi.org/10.1094/pdis-12-19-2681-pdn.

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13

Verma, Saurabh, and Sangeeta Saxena. "Dissecting Papaya Leaf Curl Disease (PLCD) Complex and Assessing its Potential for siRNA Based Targeting." INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT 3, no. 02 (2017): 17–29. http://dx.doi.org/10.18811/ijpen.v3i02.10433.

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Carica papaya L. (papaya) production is severely affected by leaf curl and related disease symptoms caused by various species of begomoviruses making it a complex disease. Papaya leaf curl disease (PLCD) complex has broad host range and high genetic variability, therefore, the study was conducted to dissect the genetic complexity of PLCD. Begomoviruses infect various host crops and weeds associated with cultivation of papaya. Intermixing among their genomes and mutational forces drive molecular variability in the disease complex, which enables them to expand their host range. This molecular va

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14

Suresh D. Shirbahadurkar, Snehal J. Banarase,. "Enhancing Papaya Leaf Disease Detection with CNN and Transfer Learning Fusion for Precise Disease Diagnosis." Journal of Electrical Systems 20, no. 2s (2024): 1015–24. http://dx.doi.org/10.52783/jes.1748.

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Papaya cultivation plays a vital role in global agriculture, providing a crucial source of nutrition and economic stability. However, the threat of diseases poses a significant challenge to papaya plant health. To address this challenge, we proposed an innovative approach for enhancing the detection of papaya leaf diseases using Convolutional Neural Networks (CNNs) and transfer learning fusion. Our proposed framework leverages the strengths of CNNs, known for their ability to extract intricate features from images, and the transfer learning approach combines these techniques to create a robust

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15

Cheng, Y. H., T. C. Deng, C. C. Chen, C. H. Chiang, and C. A. Chang. "First Report of Euphorbia leaf curl virus and Papaya leaf curl Guangdong virus on Passion Fruit in Taiwan." Plant Disease 98, no. 12 (2014): 1746. http://dx.doi.org/10.1094/pdis-05-13-0554-pdn.

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Passion fruit (Passiflora edulis × Passiflora edulis f. flavicarpa) ‘Tainung No. 1’ is the main variety cultivated in Taiwan, which is a hybrid and propagated only by grafting. In the spring of 2011, plants with systemic mottle and malformation on leaves were found in some orchards located in Puli and Nantou in central Taiwan. Interestingly, after 3 months of growth, most of these diseased plants became symptomless when the weather became warmer. Nevertheless, some striped concaves were observed on immature fruit surfaces of diseased plants. In March of 2011, two leaf samples exhibiting mosaic

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16

Verma, Saurabh, and Sangeeta Saxena. "In-Silico Investigation of Betasatellite Complexity in Papaya Leaf Curl Disease Complex." INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT 4, no. 02 (2018): 41–49. http://dx.doi.org/10.18811/ijpen.v4i02.5.

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Papaya leaf curl disease complex (PLCD) impose heavy losses to papaya farmers across India. It is mainly reported to be caused by Papaya leaf curl virus and associated begomoviruses carrying a DNA-A and betasatellite molecules. Both components are required for infliction of severe symptoms. The investigation into molecular diversity is necessary to devise intervention techniques against these begomoviruses. Based on the outcome of diversity, preferred resistance strategy against a disease complex should be generic in nature, which provides an advantage of a broad range resistance against a var

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17

Hamim, Islam, Wayne B. Borth, Jon Y. Suzuki, Michael J. Melzer, Marisa M. Wall, and John S. Hu. "Molecular characterization of tomato leaf curl Joydebpur virus and tomato leaf curl New Delhi virus associated with severe leaf curl symptoms of papaya in Bangladesh." European Journal of Plant Pathology 158, no. 2 (2020): 457–72. http://dx.doi.org/10.1007/s10658-020-02086-7.

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18

Nehra, Chitra, Avinash Marwal, Rakesh Kumar Verma, Megha Mishra, Pradeep Sharma, and R. K. Gaur. "Papaya yellow leaf curl virus: A newly identified begomovirus infectingCarica papayaL. from the Indian Subcontinent." Journal of Horticultural Science and Biotechnology 94, no. 4 (2019): 475–80. http://dx.doi.org/10.1080/14620316.2019.1570827.

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19

Khan, A. J., S. Akhtar, A. A. Al-Shihi, F. M. Al-Hinai, and R. W. Briddon. "Identification of Cotton leaf curl Gezira virus in Papaya in Oman." Plant Disease 96, no. 11 (2012): 1704. http://dx.doi.org/10.1094/pdis-05-12-0438-pdn.

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Papaya is an important fruit crop in Oman covering some 130 ha with an annual production of 20 tonnes. In 2011, during surveys of farms in the Quriyat region of Oman, papaya plants were found severely affected by leaf curl disease. Leaves with severe curling, vein darkening, and vein thickening were collected for study. Disease incidence ranged from 30 to 50%, particularly in fields with young papaya. A begomovirus (family Geminiviridae) was suspected as the causal agent based on symptoms (1) and the presence of whiteflies in the field. Samples (four to five) were collected from three farms. T

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20

Yang, Caixia, Limin Zheng, Zujian Wu, and Lianhui Xie. "Papaya Leaf Curl Guangdong Virus and Ageratum Yellow Vein Virus Associated with Leaf Curl Disease of Tobacco in China." Journal of Phytopathology 161, no. 3 (2012): 201–4. http://dx.doi.org/10.1111/jph.12026.

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21

Srivastava, A., M. Jaidi, S. Kumar, S. K. Raj, and S. Shukla. "Association of Papaya leaf curl virus with the leaf curl disease of grain amaranth (Amaranthus cruentus L.) in India." Phytoparasitica 43, no. 1 (2014): 97–101. http://dx.doi.org/10.1007/s12600-014-0424-3.

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22

Kumar, Susheel, Ashish Srivastava, Meraj Jaidi, Puneet Singh Chauhan та S. K. Raj. "Molecular Characterization of a Begomovirus, α-Satellite, and β-Satellite Associated with Leaf Curl Disease of Parthenium hysterophorus in India". Plant Disease 100, № 11 (2016): 2299–305. http://dx.doi.org/10.1094/pdis-09-15-0982-re.

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Parthenium hysterophorus plants exhibiting severe leaf curl and stunting symptoms were observed near agriculture fields in Lucknow, India. The association of a begomovirus, β-satellite, and α-satellite with these symptoms of a Parthenium disease was investigated by sequence analyses of virus and satellite DNA amplified by rolling circle amplification and polymerase chain reaction. The highest sequence identities and closest phylogenetic relationships for the begomovirus, β-satellite, and α-satellite detected in P. hysterophorus plants were to Tomato leaf curl virus (ToLCV), papaya leaf curl β-

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23

Bae, Miah, and Mi-Ri Park. "Development of a Multiplex Polymerase Chain Reaction Assay for Detecting Five Previously Unreported Papaya Viruses for Quarantine Purposes in Korea." Research in Plant Disease 30, no. 3 (2024): 304–11. http://dx.doi.org/10.5423/rpd.2024.30.3.304.

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There are concerns about the introduction and spread of plant pests and pathogens with globalization and climate change. As commercial control agents have not been developed for plant viruses, it is important to prevent virus spread. In this study, we developed a multiplex polymerase chain reaction (PCR) detection method to rapidly diagnose and control three DNA (papaya golden mosaic virus, Lindernia anagallis yellow vein virus, and melon chlorotic leaf curl virus) and two RNA (papaya leaf distortion mosaic virus and lettuce chlorosis virus) viruses that infect papaya. Specific primer sets wer

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24

Srivastava, N., R. Chandra, S. Saxena, and A. Bajpai. "PCR BASED AMPLIFICATION AND DETECTION OF PAPAYA LEAF CURL VIRUS (PALCUV)." Acta Horticulturae, no. 851 (January 2010): 241–46. http://dx.doi.org/10.17660/actahortic.2010.851.36.

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25

Varun, Priyanka, S. A. Ranade, and Sangeeta Saxena. "A molecular insight into papaya leaf curl—a severe viral disease." Protoplasma 254, no. 6 (2017): 2055–70. http://dx.doi.org/10.1007/s00709-017-1126-8.

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26

Hossain, Motasin, Mofazzal Hossain, Mohammad S. Monjil, and K. M. G. Dastogeer. "Efficacy of Selected Biocontrol Agents in Controlling Papaya Leaf Curl Disease." Universal Journal of Plant Science 10, no. 3 (2023): 51–61. http://dx.doi.org/10.13189/ujps.2023.100301.

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27

Byun, H. S., E. J. Kil, H. Seo, et al. "First Report of Papaya leaf curl virus in Papayas in Korea and Recovery of its Symptoms." Plant Disease 100, no. 9 (2016): 1958. http://dx.doi.org/10.1094/pdis-04-16-0424-pdn.

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28

Soni, Sumit K., Manoj Kumar Mishra, Maneesh Mishra, et al. "Papaya Leaf Curl Virus (PaLCuV) Infection on Papaya (Carica papaya L.) Plants Alters Anatomical and Physiological Properties and Reduces Bioactive Components." Plants 11, no. 5 (2022): 579. http://dx.doi.org/10.3390/plants11050579.

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Papaya leaves are used frequently for curing scores of ailments. The medicinal properties of papaya leaves are due to presence of certain bioactive/pharmacological compounds. However, the papaya leaf curl virus (PaLCuV), a geminivirus, is a major threat to papaya cultivation globally. During the present investigation, we observed that PaLCuV infection significantly altered the anatomy, physiology, and bioactive properties of papaya leaves. As compared to healthy leaves, the PaLCuV-infected leaves were found to have reduced stomatal density (76.83%), stomatal conductance (78.34%), photosynthesi

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29

Chen, Y. K., H. Y. Chao, P. J. Shih, W. Y. Tsai, and C. H. Chao. "First Report of Papaya leaf curl Guangdong virus Infecting Lisianthus in Taiwan." Plant Disease 100, no. 11 (2016): 2342. http://dx.doi.org/10.1094/pdis-12-15-1531-pdn.

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30

Krishna Reddy, M., V. Venkataravanappa, B. Madhuvanthi, and S. Jalali. "MOLECULAR CHARACTERIZATION OF BEGOMOVIRUSES ASSOCIATED WITH PAPAYA LEAF CURL DISEASE IN INDIA." Acta Horticulturae, no. 851 (January 2010): 465–72. http://dx.doi.org/10.17660/actahortic.2010.851.72.

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31

Kumar, Abhinav, Nishtha Kashyap, and Rohit Gupta. "Association of a monopartite chilli leaf curl virus and defective betasatellite molecule isolated from leaf curl disease affected papaya in India." Journal of Horticultural Science and Biotechnology 96, no. 4 (2021): 538–43. http://dx.doi.org/10.1080/14620316.2021.1874837.

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32

Akram, Afzal, Aqsa Hafeez Khan, Ghulam Rasool, et al. "Codiaeum variegatum in Pakistan harbours pedilanthus leaf curl virus and papaya leaf curl virus as well as a newly identified betasatellite." Archives of Virology 165, no. 8 (2020): 1877–81. http://dx.doi.org/10.1007/s00705-020-04633-3.

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33

Alabi, O. J., M. Al Rwahnih, J. K. Brown, et al. "First Report of Papaya (Carica papaya) Naturally Infected With the Introduced Tomato yellow leaf curl virus-Israel." Plant Disease 100, no. 9 (2016): 1959. http://dx.doi.org/10.1094/pdis-04-16-0469-pdn.

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34

Ammara, U. E., A. Al-Shihi, I. Amin, and A. M. Al-Sadi. "First Report of Tomato leaf curl Albatinah virus (ToLCABV) and its Associated Betasatellite Infecting Papaya in Oman." Plant Disease 99, no. 3 (2015): 421. http://dx.doi.org/10.1094/pdis-09-14-0912-pdn.

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Leaf curl disease with severe curling, vein darkening, and vein thickening was observed on papaya plants in a field in Qurayat district of Oman during December 2013. Disease incidence ranged from 50 to 70%, particularly in young papaya plants. The presence of a large population of whiteflies and symptoms observed on papaya plants suggested that the causal agent could be begomoviruses (family Geminiviridae) and associated satellites. Four leaf samples with mild and severe leaf curling were collected from the field. Total nucleic acid extracted from symptomatic and healthy plants using the CTAB

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35

Zouba, A. A., M. V. Lopez, and H. Anger. "Squash Yellow Leaf Curl Virus: A New Whitefly-Transmitted Poty-Like Virus." Plant Disease 82, no. 5 (1998): 475–78. http://dx.doi.org/10.1094/pdis.1998.82.5.475.

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A severe yellow and leaf curl disease affecting field squash was found in the Batinah region of the Sultanate of Oman. The symptoms appear as small yellow spots, diffuse veinal yellowing, and leaf curling of young leaves. The inciting virus was easily transmitted by mechanical inoculation and by the whitefly Bemisia tabaci in a semi-persistent manner. The host range of the virus was restricted to two cucurbit species. Leaf dip preparations contained few flexuous particles about 700 to 750 nm long. Pinwheel-like inclusion bodies were observed in thin sections of diseased squash tissues. Serolog

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36

Sonane, Madhavi, Sailendra Kumar, Priyanka ., Anamta Rizvi, and Sangeeta Saxena. "Virus Infected Papaya Plants Differentially affects Oxidative Stress and Survival in Caenorhabditis elegans." Environment and Ecology 42, no. 3 (2024): 1020–27. http://dx.doi.org/10.60151/envec/bniw3016.

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Carica papaya (papaya) leaves has significant nutraceutical properties. However, it is speculated that papaya leaf curl virus (PaLCuV) and papaya ring spot virus (PRSV) can severely affect the therapeutic properties and alter the overall nutraceutical potential of papaya leaves. Therefore, we evaluated the bioactivity of the virus infected papaya leaves extract (PLE) compared to healthy PLE in C. elegans. Viruses infection were confirmed by visual inspection and PCR based detection. Anatomical changes and elemental analysis were analyzed through SEM-EDS. PLE were tested for life span extension

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37

Priyanka, Yusuf Akhter, and Sangeeta Saxena. "Association of Catharanthus yellow mosaic virus and a novel Tomato leaf curl Lucknow betasatellite with papaya leaf curl disease (PaLCD) in India." Microbe 6 (March 2025): 100256. https://doi.org/10.1016/j.microb.2025.100256.

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38

Tang, Y. F., Z. F. He, X. M. She, and L. Yu. "First Report of Papaya leaf curl China virus infecting Acalypha australis in China." Plant Disease 102, no. 8 (2018): 1674. http://dx.doi.org/10.1094/pdis-01-18-0030-pdn.

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Huang, J. F., and X. P. Zhou. "First report of Papaya leaf curl China virus infecting Corchoropsis timentosa in China." Plant Pathology 55, no. 2 (2006): 291. http://dx.doi.org/10.1111/j.1365-3059.2005.01276.x.

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40

Huang, Aijun, Min Ding, Mengji Cao, Song Zhang, Liqin Zhong, and Ying Wang. "First Report of Papaya Leaf Curl China Virus on Passion Fruit in China." Plant Disease 104, no. 4 (2020): 1265. http://dx.doi.org/10.1094/pdis-08-19-1619-pdn.

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Kim, M., S. B. Hong, J. Kim, et al. "First Report of Papaya Leaf Curl Guandong Virus in Bell Pepper in Korea." Plant Disease 102, no. 10 (2018): 2046. http://dx.doi.org/10.1094/pdis-10-17-1584-pdn.

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42

Dickey, Aaron M., Lance S. Osborne, and Cindy L. Mckenzie. "Papaya (Carica papaya, Brassicales: Caricaceae) is not a Host Plant of Tomato Yellow Leaf Curl Virus (Tylcv; FamilyGeminiviridae, GenusBegomovirus)." Florida Entomologist 95, no. 1 (2012): 211–13. http://dx.doi.org/10.1653/024.095.0136.

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43

Marpaung, Nia Kurniati Br, Mimi Sutrawati, Dwi Wahyuni Ganefianti, Ridha Rizki Novanda, and Tunjung Pamekas. "Infeksi Ageratum yellow vein virus pada Gulma Crassocephalum crepidioides di Bengkulu." Jurnal Fitopatologi Indonesia 19, no. 1 (2023): 39–44. http://dx.doi.org/10.14692/jfi.19.1.39-44.

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Infection of Ageratum yellow vein virus on Weed Crassocephalum crepidioides in Bengkulu Weeds with symptoms of virus infection were found on three cultivation areas of papaya (Carica papaya) in Bengkulu province, Indonesia. Symptoms on weeds involved yellowing of lamina and vein, yellow mosaic, and leaf curling. This study aimed to identify and detect Begomovirus on weed species, Crassocephalum crepidioides. Virus detection was conducted by polymerase chain reaction method using a pair of universal primers for Begomovirus (SPG1/SPG2). A DNA fragment of 912 bp in size was successfully amplified

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44

John, Priya, Kotramma Addangadi, Gomathy Muthukrishnan, Bhukya Srinivas, V. A. Patil, and V. G. Malathi. "Genome organization of satellite DNA beta molecule associated with Mungbean yellow mosaic India virus Gujarat, India." Agriculture Archives 3, no. 2 (2024): 6–11. http://dx.doi.org/10.51470/agri.2024.3.2.06.

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Recent advancements in genomics have unveiled fascinating insights into the intricate world of plant pathogens. The discovery of an intriguing association between the DNA beta and MYMIV-[IN:Ana: CpMBKA25:04], a strain containing 1367 base pairs of nucleotides, has sparked a wave of scientific curiosity. Through sequence identity matrix analysis, it was revealed that this strain shares a striking 96% similarity with the Potato apical leaf curl virus, closely followed by the Tomato leaf curl beta satellite virus [Accession No. AY230138] at 95.3%. In contrast, its relationship with the beta satel

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Poudel, Nabin Sharma, and Kapil Khanal. "Viral Diseases of Crops in Nepal." International Journal of Applied Sciences and Biotechnology 6, no. 2 (2018): 75–80. http://dx.doi.org/10.3126/ijasbt.v6i2.19702.

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Viral diseases are the important diseases next to the fungal and bacterial in Nepal. The increase in incidence and severity of viral diseases and emergence of new viral diseases causes the significant yield losses of different crops in Nepal. But the research and studies on plant viral diseases are limited. Most of the studies were focused in viral diseases of rice (Rice tungro virus and Rice dwarf virus), tomato (Yellow leaf curl virus) and potato (PVX and PVY). Maize leaf fleck virus and mosaic caused by Maize mosaic virus were recorded as minor disease of maize. Citrus Tristeza Virus is an

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46

Zhang, Hui, Xin-ying Ma, Ya-juan Qian, and Xue-ping Zhou. "Molecular characterization and infectivity of Papaya leaf curl China virus infecting tomato in China." Journal of Zhejiang University SCIENCE B 11, no. 2 (2010): 109–14. http://dx.doi.org/10.1631/jzus.b0900176.

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Alabi, Olufemi J., M. Al Rwahnih, J. L. Jifon, et al. "A Mixed Infection of Lettuce chlorosis virus, Papaya ringspot virus, and Tomato yellow leaf curl virus-IL Detected in a Texas Papaya Orchard Affected by a Virus-Like Disease Outbreak." Plant Disease 101, no. 7 (2017): 1094–102. http://dx.doi.org/10.1094/pdis-01-17-0118-re.

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Severe virus-like symptoms consisting of mosaic, distortion, yellowing, and brittleness were observed on papaya plants in a 20-ha orchard in South Texas during the 2014–15 growing season. Incidence of symptomatic plants increased from ∼40 to 100% within 6 months of the outbreak; the most severely affected plants were stunted, and fruit yield and quality were reduced compared with asymptomatic plants. The orchard papaya plant virome was explored using the Illumina NextSeq 500 platform and results were validated by Sanger DNA sequencing of complete viral genomes obtained by PCR amplification. Th

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Zhang, Liping, Shujie Wu, Meisheng Zhao, et al. "Molecular Identification and Genetic Diversity Analysis of Papaya Leaf Curl China Virus Infecting Ageratum conyzoides." Plant Pathology Journal 40, no. 5 (2024): 551–58. http://dx.doi.org/10.5423/ppj.nt.04.2024.0066.

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Papaya leaf curl China virus (PaLCuCNV) is a damaging plant pathogen causing substantial losses to crop. The complete genomes of three PaLCuCNV isolates from <i>Ageratum conyzoides</i> were obtained and combined with the 68 reference isolates in GenBank for comprehensive genetic diversity analyses using specialized computational tools. Sequence alignment revealed nucleotide sequence similarity ranging from 85.3% to 99.9% among 71 PaLCuCNV isolates. Employing phylogenetic analysis, 71 PaLCuCNV sequences were clustered into five groups, with no significant correlation observed betwee

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Indratmi, D., C. T. Haryanto, MD Rachmawan, and A. Zakia. "Analysis of Volatile Metabolites from Papaya Seeds as Potential Organic Insecticides against Myzus persicae Sulz." IOP Conference Series: Earth and Environmental Science 1172, no. 1 (2023): 012046. http://dx.doi.org/10.1088/1755-1315/1172/1/012046.

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Abstract Myzus persicae is a toxic pest that acts as a limiting factor in increasing chili production in Indonesia. Symptoms of leaf curl are always found in every chili growing season along with the presence of these pests. In the field M.persicae controlled with chemical insecticides that trigger pest resistance. The aim of the study was to determine the effectiveness of papaya seed extract in controlling M. persicae , its effect on chili yields, and the content of volatile toxic compounds in papaya seeds which have potential as organic insecticides. Efficacy test in the form of 7 treatments

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Eswaran, A., and K. Manivannan. "EFFECT OF FOLIAR APPLICATION OF LIGNITE FLY ASH ON THE MANAGEMENT OF PAPAYA LEAF CURL DISEASE." Acta Horticulturae, no. 740 (March 2007): 271–75. http://dx.doi.org/10.17660/actahortic.2007.740.33.

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