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Journal articles on the topic 'Rice blast disease'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 January 2023

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1

Ebbole, Daniel J., Janna L. Beckerman, R. S. Zeigler, S. A. Leong, and P. S. Teng. "Rice Blast Disease." Mycologia 88, no. 3 (1996): 518. http://dx.doi.org/10.2307/3760894.

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2

Oerke, E. C. "Rice blast disease." Agricultural Systems 51, no. 3 (1996): 367–69. http://dx.doi.org/10.1016/0308-521x(96)86783-7.

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3

Kato, Hajime. "Rice blast disease." Pesticide Outlook 12, no. 1 (2001): 23–25. http://dx.doi.org/10.1039/b100803j.

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4

Dadley-Moore, Davina. "Understanding rice blast disease." Nature Reviews Microbiology 4, no. 5 (2006): 323. http://dx.doi.org/10.1038/nrmicro1422.

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5

Sahu, Parmeshwar K., Richa Sao, Devendra K. Choudhary, et al. "Advancement in the Breeding, Biotechnological and Genomic Tools towards Development of Durable Genetic Resistance against the Rice Blast Disease." Plants 11, no. 18 (2022): 2386. http://dx.doi.org/10.3390/plants11182386.

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Rice production needs to be sustained in the coming decades, as the changeable climatic conditions are becoming more conducive to disease outbreaks. The majority of rice diseases cause enormous economic damage and yield instability. Among them, rice blast caused by Magnaportheoryzae is a serious fungal disease and is considered one of the major threats to world rice production. This pathogen can infect the above-ground tissues of rice plants at any growth stage and causes complete crop failure under favorable conditions. Therefore, management of blast disease is essentially required to sustain

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6

Chung, Hyunjung, Da Gyeong Jeong, Ji-Hyun Lee, et al. "Outbreak of Rice Blast Disease at Yeoju of Korea in 2020." Plant Pathology Journal 38, no. 1 (2022): 46–51. http://dx.doi.org/10.5423/ppj.nt.08.2021.0130.

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Rice blast is the most destructive disease threatening stable rice production in rice-growing areas. Cultivation of disease-resistant rice cultivars is the most effective way to control rice blast disease. However, the rice blast resistance is easy to breakdown within years by blast fungus that continually changes to adapt to new cultivars. Therefore, it is important to continuously monitor the incidence of rice blast disease and race differentiation of rice blast fungus in fields. In 2020, a severe rice blast disease occurred nationwide in Korea. We evaluated the incidence of rice blast disea

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7

Kumar, Vipin, Rashmi Nigam, Raju ., Yachna Gupta, and Gyan Manjri Rao. "Blast disease of basmati rice and its management." International Journal of Agricultural Invention 2, no. 01 (2017): 87–91. http://dx.doi.org/10.46492/ijai/2017.2.1.20.

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Basmati rice is an important staple food grain crop in the world. Basmati rice is an important export commodity among the food grains. The biotic and abiotic factors are adversely affected the Basmati rice but Basmati rice blast caused by Pyricularia oryzae Cavara (synonym Pyricularia grisea Sacc). The anamorph of Magnaporthe grisea (Herbert), is one of the most destructive and wide spread diseases as compared to other diseases of Basmati rice. It causes leaf blast, neck blast and panicle blast of paddy. This disease generally causes yield loss of 10-20 percent but in severe cases yield loss m

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8

Sudiarta, I. Putu, I. Komang Candra Giri Prayoga, I. Gede Rai Maya Temaja, Gusti Ngurah Alit Susanta Wirya, Masahiro Shishido, and Chiharu Hongo. "The Observation of Blast Disease and Its Effect to Rice Yield Using Existing Assessment Method to Support the Indonesian Agriculture Insurance." SOCA: Jurnal Sosial, Ekonomi Pertanian 15, no. 2 (2021): 406. http://dx.doi.org/10.24843/soca.2021.v15.i02.p15.

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One of the causes for the low productivity of rice in Indonesia is the occurrence of rice blast disease. Blast disease is one of the main diseases of rice plants around the world. Therefore to minimise the risk of the lost yield by blast disease, the Ministry of Agriculture of the Republic of Indonesia has the agriculture insurance program. To support these program, the research about observations of blast disease in a fixed location are needed. The objective this research is to confirm pathogens causing the blast disease in the fields, to determine the development of blast disease and its eff

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9

Liu, Yan, Xinshuai Qi, Dave R. Gealy, Kenneth M. Olsen, Ana L. Caicedo, and Yulin Jia. "QTL Analysis for Resistance to Blast Disease in U.S. Weedy Rice." Molecular Plant-Microbe Interactions® 28, no. 7 (2015): 834–44. http://dx.doi.org/10.1094/mpmi-12-14-0386-r.

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Understanding the genetic architecture of adaptation is of great importance in evolutionary biology. U.S. weedy rice is well adapted to the local conditions in U.S. rice fields. Rice blast disease is one of the most destructive diseases of cultivated rice worldwide. However, information about resistance to blast in weedy rice is limited. Here, we evaluated the disease reactions of 60 U.S. weedy rice accessions with 14 blast races, and investigated the quantitative trait loci (QTL) associated with blast resistance in two major ecotypes of U.S. weedy rice. Our results revealed that U.S. weedy ri

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10

Eka Kusumawati, Dian, and Istiqomah Istiqomah. "POTENSI AGENSIA HAYATI DALAM MENEKAN LAJU SERANGAN PENYAKIT BLAS (Pyricularia oryzae) PADA TANAMAN PADI." VIABEL: Jurnal Ilmiah Ilmu-Ilmu Pertanian 14, no. 2 (2020): 1–13. http://dx.doi.org/10.35457/viabel.v14i2.1235.

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Blast disease is an important disease that affects many rice plants. Blasts can damage rice leaves (leaf blasts), nodes (node blasts), neck blasts, colar blasts and rice grains. Symptoms on the leaves are rhombic-shaped spots with a tapered tip. The center of the patch is gray surrounded by brown to reddish brown on the edge of the spot. The color of the spots at the beginning of the symptoms is white or gray, surrounded by green-brown. Based on market demand, agricultural products that are safe and healthy for consumers as well as environmentally friendly are increasing, therefore controlling

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11

El-Kholy,, R., and A. El-Shazly. "INTEGRATED CONTROL OF RICE BLAST DISEASE." Journal of Plant Protection and Pathology 31, no. 2 (2006): 1071–88. http://dx.doi.org/10.21608/jppp.2006.235171.

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12

Sriwanna, Kittakorn. "Weather-based rice blast disease forecasting." Computers and Electronics in Agriculture 193 (February 2022): 106685. http://dx.doi.org/10.1016/j.compag.2022.106685.

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13

HAMER, J. E. "Molecular Probes for Rice Blast Disease." Science 252, no. 5006 (1991): 632–33. http://dx.doi.org/10.1126/science.252.5006.632.

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14

Ma, Lu, Yao Yu, Changqing Li, et al. "Genome-Wide Association Study Identifies a Rice Panicle Blast Resistance Gene Pb3 Encoding NLR Protein." International Journal of Molecular Sciences 23, no. 22 (2022): 14032. http://dx.doi.org/10.3390/ijms232214032.

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Rice blast is a worldwide fungal disease that seriously affects the yield and quality of rice. Identification of resistance genes against rice blast disease is one of the effective ways to control this disease. However, panicle blast resistance genes, which are useful in the fields, have rarely been studied due to the difficulty in phenotypic identification and the environmental influences. Here, panicle blast resistance-3 (Pb3) was identified by a genome-wide association study (GWAS) based on the panicle blast resistance phenotypes of 230 Rice Diversity Panel I (RDP-I) accessions with 700,000

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15

Shi, Jun, Deqiang Li, Yan Li, et al. "Identification of rice blast resistance genes in the elite hybrid rice restorer line Yahui2115." Genome 58, no. 3 (2015): 91–97. http://dx.doi.org/10.1139/gen-2015-0005.

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Rice blast, caused by the ascomycete fungus Magnaporthe oryzae, is one of the most serious rice diseases worldwide. We previously developed an elite hybrid rice restorer line with high resistance to rice blast, Yahui2115 (YH2115). To identify the blast resistance genes in YH2115, we first performed expression profiling on previously reported blast resistance genes and disease assay on monogenic lines, and we found that Pi2, Pi9, and Pikm were the most likely resistance candidates in YH2115. Furthermore, RNA interference and linkage analysis demonstrated that silencing of Pi2 reduced the blast

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16

Song, Sungmin, Hyunjung Chung, Kwang-Hyung Kim, and Ki-Tae Kim. "Analysis of Rice Blast Outbreaks in Korea through Text Mining." Research in Plant Disease 28, no. 3 (2022): 113–21. http://dx.doi.org/10.5423/rpd.2022.28.3.113.

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Rice blast is a major plant disease that occurs worldwide and significantly reduces rice yields. Rice blast disease occurs periodically in Korea, causing significant socio-economic damage due to the unique status of rice as a major staple crop. A disease outbreak prediction system is required for preventing rice blast disease. Epidemiological investigations of disease outbreaks can aid in decision-making for plant disease management. Currently, plant disease prediction and epidemiological investigations are mainly based on quantitatively measurable, structured data such as crop growth and dama

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17

Skamnioti, Pari, and Sarah J. Gurr. "Against the grain: safeguarding rice from rice blast disease." Trends in Biotechnology 27, no. 3 (2009): 141–50. http://dx.doi.org/10.1016/j.tibtech.2008.12.002.

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18

Zeleke, Tekalign, Muluadam Birhan, and Wubneh Ambachew. "Survey and Identification of Rice Diseases in South Gondar Zone, Amhara Region, Ethiopia." Journal of Agriculture and Crops, no. 58 (August 15, 2019): 123–31. http://dx.doi.org/10.32861/jac.58.123.131.

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Disease surveys were conducted in rice grown districts of Libokemkem, Dera and Fogera in south Gondar zone in 2016 and 2017 cropping seasons. The study was designed to identify and record rice disease flora, their distribution in the districts, prioritize according to the importance and document for future use. Forty-six and 48 rice fields were assessed from nine Peasant Association (PA) in 2016 and 2017 cropping seasons, respectively. Rice diseases; Leaf blast, Panicle Blast, Brown spot, Sheath rot, Sheath brown rot, Sheath Blight, Bacterial blight, Rice Yellow Motile Virus, Kernel smut, Down

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19

Asibi, Aziiba Emmanuel, Qiang Chai, and Jeffrey A. Coulter. "Rice Blast: A Disease with Implications for Global Food Security." Agronomy 9, no. 8 (2019): 451. http://dx.doi.org/10.3390/agronomy9080451.

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Rice blast is a serious fungal disease of rice (Oryza sativa L.) that is threatening global food security. It has been extensively studied due to the importance of rice production and consumption, and because of its vast distribution and destructiveness across the world. Rice blast, caused by Pyricularia oryzae Cavara 1892 (A), can infect aboveground tissues of rice plants at any growth stage and cause total crop failure. The pathogen produces lesions on leaves (leaf blast), leaf collars (collar blast), culms, culm nodes, panicle neck nodes (neck rot), and panicles (panicle blast), which vary

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20

Hashim, Ibrahim, Delphina P. Mamiro, Robert B. Mabagala, and Tadele Tefera. "Smallholder Farmers’ Knowledge, Perception and Management of Rice Blast Disease in Upland Rice Production in Tanzania." Journal of Agricultural Science 10, no. 7 (2018): 137. http://dx.doi.org/10.5539/jas.v10n7p137.

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The objective of this paper was to investigate farmers’ knowledge and management of rice blast disease in Tanzania. Farmers’ household survey was conducted in five districts namely Mvomero, Morogoro rural, Ulanga, Korogwe and Muheza in April and May 2017. Data were collected through face-to-face interviews using semi-structured questionnaire and observations made through transect walks across selected villages. Farmers observed symptoms of rice blast disease for the first time in the past 3 to 10 years, with higher severity of blast disease in April to May each year. About 46.3% of the respond

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21

Naik, M. Vinod Kumar, P. Madhusudhan, Lakshminarayana Vemireddy, et al. "Screening of Rice Germplasm against blast disease for Identification of Resistant Sources." Journal of Phytopharmacology 10, no. 2 (2021): 144–50. http://dx.doi.org/10.31254/phyto.2021.10212.

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Rice Leaf Blast disease is caused by means of Magnaporthe oryzae is one of the major biotic stresses of rice in India. To find the leaf blast resistance sources in rice accessions, an open field investigation was carried in natural and artificial epiphytotic form during rabi seasons in 2018 and 2019. A total of 97 rice genotypes including resistant check (Tetep) and susceptible check (NLR34242 and BPT5204) were grown, in uniform blast nursery (UBN). Rice Leaf blast disease severity assessment was scored according to 0-9 scale. Among rice genotypes,21.6 % were resistant, 29.8 % moderately resis

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22

Amayo, R., Teddy Oparok, Jimmy Lamo, Silue Drissa, Richard Edema, and Geoffrey Tusiime. "Rice Blast Prevalence in Smallholder Rice Farmlands in Uganda." Journal of Agricultural Science 12, no. 10 (2020): 105. http://dx.doi.org/10.5539/jas.v12n10p105.

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Rice blast disease remains the most important contributor to low and stagnated rice yields in Uganda. However, the role of the smallholder farming system in shaping the prevalence of the disease in the country is not known. In 2015B and 2016A, we surveyed smallholder rice farmlands in 27 districts of Uganda and recorded blast incidence, severity, and symptoms expression. Infected rice samples taken from the infected plants were sub-cultured on PDA media to confirm the pathogen and obtain isolates for the establishment of a core collection for breeding work. Rice blast prevalence in the distric

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23

Suwandi, Suwandi, Harman Hamidson, and Ahmad Muslim. "Penekanan Penyakit Blas Leher Malai Padi Menggunakan Ekstrak Kompos Jerami Padi." Jurnal Fitopatologi Indonesia 12, no. 3 (2016): 104. http://dx.doi.org/10.14692/jfi.12.3.104.

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Blast is the most important disease of rice and may cause significant losses in the reclaimed tidal swamp of South Sumatra. Water extracts of fermented composts prepared from straws of the vigorous rice plant were tested in pot experiment for their ability to control blast. Rice variety Ciherang was grown on mixture of field soil and 1% diseased rice straw (v/v) collected from a tidal swamp rice field. Incidence of panicle blast was reduced by 71−87% in response to application of compost extract. The compost extract did not affect seed germination and plant height, instead, it increased the yi

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24

Andika, I. Made Prasetia Candra, I. Made Anom Sutrisna Wijaya, and Ida Bagus Putu Gunadnya. "Pendugaan Intensitas Serangan Penyakit Blas pada Tanaman Padi Melalui Pendekatan Citra NDVI (Normalized Difference Vegetation Index)." Jurnal BETA (Biosistem dan Teknik Pertanian) 7, no. 2 (2019): 287. http://dx.doi.org/10.24843/jbeta.2019.v07.i02.p09.

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Penyakit blas merupakan salah satu penyakit yang berbahaya bagi tanaman padi. Penyakit ini bisa menyerang di setiap fase pertumbuhan. Perhitungan intensitas serangan penyakit blas saat ini masih dilakukan secara manual. Diperlukan pengembangan teknologi dalam pendugaan intensitas serangan penyakit blas melalui citra NDVI. Penelitian ini bertujuan untuk (1) untuk mendapatkan ketinggian foto udara NDVI terbaik, (2) untuk mendapatkan umur tanaman padi dengan intensitas serangan penyakit blas tertinggi, (3) untuk mendapatkan hubungan antara intensitas serangan penyakit blas dengan nilai NDVI tanam

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25

Herawati, Reny, Siti Herlinda, Dwi Wahyuni Ganefianti, Hendri Bustamam, and Sipriyadi. "Improving Broad Spectrum Blast Resistance by Introduction of the Pita2 Gene: Encoding the NB-ARC Domain of Blast-Resistant Proteins into Upland Rice Breeding Programs." Agronomy 12, no. 10 (2022): 2373. http://dx.doi.org/10.3390/agronomy12102373.

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Blast disease is generally more important in upland rather than lowland rice cultivation, representing one of the biotic obstacles in the development of upland rice. The objective of this study was to detect broad-spectrum blast resistance gene Pita2 encoding the NB-ARC (nucleotide-binding adaptor common in APAF-1, R proteins, and CED-4) domain of blast-resistant proteins in new upland rice lines from the breeding program for landrace rice varieties, with the goal of providing a novel source of blast-resistant germplasm for application in future upland rice breeding programs. In this study, we

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26

Mohiddin, Fayaz Ahmad, Nazir A. Bhat, Shabir H. Wani, et al. "Combination of Strobilurin and Triazole Chemicals for the Management of Blast Disease in Mushk Budji -Aromatic Rice." Journal of Fungi 7, no. 12 (2021): 1060. http://dx.doi.org/10.3390/jof7121060.

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Rice blast is considered one of the most important fungal diseases of rice. Although diseases can be managed by using resistant cultivars, the blast pathogen has successfully overcome the single gene resistance in a short period and rendered several varieties susceptible to blast which were otherwise intended to be resistant. As such, chemical control is still the most efficient method of disease control for reducing the losses caused due to diseases. Field experiments were conducted over two successive years, 2018 and 2019, in temperate rice growing areas in northern India. All the fungicides

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27

DWIPA, INDRA, AUZAR SYARIF, IRFAN SULIANSYAH, and ETTI SWASTI. "West Sumatra Brown Rice resistance to Brown Planthopper and Blast Disease." Biodiversitas Journal of Biological Diversity 19, no. 3 (2018): 893–98. http://dx.doi.org/10.13057/biodiv/d190318.

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Dwipa I, Syarif A, Suliansyah I, Swasti E. 2018. West Sumatra Brown Rice resistance to Brown Planthopper and Blast Disease. Biodiversitas 19: 893-898. Brown rice is a highly nutritious rice widely consumed as the carbohydrate substitute of common rice. Brown rice resistance to biotic stress is one of indicators of a superior variety. Our study aimed to analyze the response of several brown rice genotypes from West Sumatra to brown planthopper attack and blast disease. This study comprised two experiments, the resistance assay to brown planthopper (Nilaparvata lugens (Stal.) and the resistance

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28

Teerasan, Wattanaporn, Ing-on Srikaew, Kritkittisak Phaitreejit, Sureeporn Kate-Ngam, and Chatchawan Jantasuriyarat. "Gene-specific marker screening and disease reaction validation of blast resistant genes, Pid3, Pigm and Pi54 in Thai landrace rice germplasm and recommended rice varieties." Plant Genetic Resources: Characterization and Utilization 17, no. 5 (2019): 421–26. http://dx.doi.org/10.1017/s1479262119000224.

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AbstractRice blast caused by the fungal pathogen Magnaporthe oryzae, is one of the most devastating diseases in rice production worldwide. Information on rice varieties with the blast disease resistance gene is important for rice cultivar development. This study identified rice blast resistant genes in 226 rice cultivars including 203 Thai landrace rice cultivars (19 upland rice cultivars from the North, 99 lowland rice cultivars from the Northeast, 45 floating rice cultivars from the Northeast and 40 cultivars from the South), 21 recommended rice varieties and two susceptible varieties ‘KDML1

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29

Leiwakabessy, Christoffol, Fahra Inayatri, Edizon Jambormias, Jogeneis Patty, and Rhony E. Ririhena. "Ketahanan Enam Varietas Padi Terhadap Penyakit Blas (Pyricularia oryzea Cav.) pada Lahan Sawah Irigasi dan Sawah Tadah Hujan." JURNAL BUDIDAYA PERTANIAN 16, no. 2 (2020): 147–56. http://dx.doi.org/10.30598/jbdp.2020.16.2.147.

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Rice (Oryza sativa L) is an economically important carbohydrate-producing plant that ranks second only to wheat. In Indonesia, Malaysia, the Philippines, and several other countries, rice is used as a staple food source. The commodity projection is expected in the coming years to grow to reach 70 percent. Blast disease is known as one of the main obstacles in rice cultivation today. Recommended control alternative to the disease was through the utilization of economically beneficial and environmentally friendly resistant varieties. The study used six varieties tested on different cultivated la

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30

Kamel, Serag-El-Din, Thoraya El-Bigawi, Ismail Ismail, and Mohamed Sehly. "Epidemiology of Rice Blast Disease in Egypt." Journal of King Abdulaziz University-Educational Sciences 1, no. 1 (1988): 51–58. http://dx.doi.org/10.4197/edu.1-1.4.

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31

Varma, Yamini CK, and P. Santhakumari. "Biointensive management of blast disease of rice." Oryza-An International Journal on Rice 58, no. 2 (2021): 317–36. http://dx.doi.org/10.35709/ory.2021.58.2.8.

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Blast of rice caused by Pyricularia grisea (Cooke.) Sacc. (Teleomorph :Magnaporthe oryzae) is a serious disease of rice and causes considerable reduction in yield. Overdose and untimely application of chemical fungicides disturb the rice ecosystem, pollute the environment and induce resistant mutants of the pathogen. An ecofriendly integrated disease management programme should be implemented to avoid overuse of a single control method and fight against genetic resistance. Salicylic acid (0.01ml/ l) and Benzoic acid (0.01ml/ l) proved superior in inducing disease resistance among different ind

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32

Khedkar, DT, PG Borkar, RA Raut, VM Karade, and RA Karande. "Integrated management of blast disease of rice." International Journal of Chemical Studies 8, no. 4 (2020): 3158–59. http://dx.doi.org/10.22271/chemi.2020.v8.i4am.10135.

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33

Ramesh, S., and D. Vydeki. "Rice-Blast Disease Monitoring Using Mobile App." International Journal of Engineering & Technology 7, no. 3.6 (2018): 400. http://dx.doi.org/10.14419/ijet.v7i3.6.16011.

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This research paper focuses on implementation of image analysis algorithms on captured images for the purpose of detecting crop diseases and monitored through Mobile App. The purpose of this research is to find out the diseases in early stage, and reduce the yield loss. The system design includes sensors, controller, image analysis algorithm, Cloud storage and mobile app. Using the USB camera, images in the farm are captured and processed by controller module. This is sent to the cloud, which can be accessed by mobile App or remote user. Various image processing algorithms were used to process

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34

Mgonja, A. P. "Resistance to Rice Blast Disease of Some Land Rice Verieties." East African Agricultural and Forestry Journal 51, no. 1 (1985): 61–62. http://dx.doi.org/10.1080/00128325.1985.11663463.

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35

Arora, Kirti, Amit Kumar Rai, Basavantraya N. Devanna, Banita Kumari, and Tilak Raj Sharma. "Functional validation of the Pi54 gene by knocking down its expression in a blast-resistant rice line using RNA interference and its effects on other traits." Functional Plant Biology 45, no. 12 (2018): 1241. http://dx.doi.org/10.1071/fp18083.

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Rice blast disease caused by Magnaporthe oryzae is one of the major diseases affecting the rice (Oryza sativa L.) crop. A major blast resistance gene, Pi54, has already been cloned and deployed in different rice varieties. To understand the role of Pi54 in providing rice blast resistance, we used the RNA interferences (RNAi) approach to knock down the expression of this gene. We showed a high frequency of Agrobacterium tumefaciens-mediated transformation of rice line Taipei 309 containing a single gene (Pi54) for blast resistance. Pi54 RNAi leads to a decreased level of Pi54 transcripts, leadi

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36

Wang, Xueyan, Melissa H. Jia, Pooja Ghai, Fleet N. Lee, and Yulin Jia. "Genome-Wide Association of Rice Blast Disease Resistance and Yield-Related Components of Rice." Molecular Plant-Microbe Interactions® 28, no. 12 (2015): 1383–92. http://dx.doi.org/10.1094/mpmi-06-15-0131-r.

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Robust disease resistance may require an expenditure of energy that may limit crop yield potential. In the present study, a subset of a United States Department of Agriculture rice core collection consisting of 151 accessions was selected using a major blast resistance (R) gene, Pi-ta, marker and was genotyped with 156 simple sequence repeat (SSR) markers. Disease reactions to Magnaporthe oryzae, the causal agent of rice blast disease, were evaluated under greenhouse and field conditions, and heading date, plant height, paddy and brown seed weight in two field environments were analyzed, using

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37

Petkevych, Z. Z., T. V. Dudchenko, and V. V. Dudchenko. "Trait collection of rice by resistance to rice blast." Genetičnì resursi roslin (Plant Genetic Resources), no. 24 (2019): 89–100. http://dx.doi.org/10.36814/pgr.2019.24.07.

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Aim. To study the genetic diversity of rice in terms of resistance to disease, to find sources of resistance, to select reference varieties and to form a trait collection of rice accessions with resistance to Pyricularia oryzae Cav. Results and Discussion. The study was carried out in an infectious-provocative nursery in the field and greenhouse of the Institute of Rice in compliance with the methodical guidelines in 2003 – 2016. In of the south Ukrainian, Pyricularia oryzea is the most harmful for rice. The article presents the results on forming a trait collection studying rice accessions. I

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38

Kumar, Prasanna, and Chethana BS. "Assessment of various fungitoxicants against major diseases of rice." Oryza-An International Journal on Rice 59, no. 4 (2022): 483–91. http://dx.doi.org/10.35709/ory.2022.59.4.11.

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Diseases damage to rice can seriously break productivity and with in short time destroys the crop. Screening of various groups of fungitoxicants in solo and in combination against major diseases of rice was carried out during summer and Kharif 2019. The pooled data revealed Fenoxanil 20% SC + Isoprothiolane 40% EC @ 2ml L-1 was effective in reducing the disease severity of leaf blast and neck blast by recording least percent disease index (PDI) of 13.33 and 12.22 with yield of 5099 kg ha-1as against 40.74 and 48.89 and yield 4034 kg ha-1 in control respectively. The combi fungitoxicants Azoxys

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39

Devanna, Basavantraya N., Priyanka Jain, Amolkumar U. Solanke, et al. "Understanding the Dynamics of Blast Resistance in Rice-Magnaporthe oryzae Interactions." Journal of Fungi 8, no. 6 (2022): 584. http://dx.doi.org/10.3390/jof8060584.

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Rice is a global food grain crop for more than one-third of the human population and a source for food and nutritional security. Rice production is subjected to various stresses; blast disease caused by Magnaporthe oryzae is one of the major biotic stresses that has the potential to destroy total crop under severe conditions. In the present review, we discuss the importance of rice and blast disease in the present and future global context, genomics and molecular biology of blast pathogen and rice, and the molecular interplay between rice–M. oryzae interaction governed by different gene intera

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Long, D. H., J. C. Correll, F. N. Lee, and D. O. TeBeest. "Rice Blast Epidemics Initiated by Infested Rice Grain on the Soil Surface." Plant Disease 85, no. 6 (2001): 612–16. http://dx.doi.org/10.1094/pdis.2001.85.6.612.

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Field experiments were conducted in 1996 and 1997 with a marked strain of Pyricularia grisea to determine if inoculum from infested rice grain could cause primary infections and sustain a rice blast epidemic during the growing season by giving rise to leaf, collar, and neck symptoms. The marked strain, a sulfate nonutilizing (sul) mutant of P. grisea, was grown on autoclaved rice seed for 7 days at 25°C. Infested rice grains were applied to the soil surface at the time of plant emergence (approximately 10 days after planting) at densities of 0, 0.5, 5, 25, and 50 grains per 0.1 m2 in plots pla

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Suriani, Ni Luh, Dewa Ngurah Suprapta, Khamdan Khalimi, et al. "Antagonism Trichoderma SP for Pressing Blast Disease on Red Bali Rice Plants (Oryza Sativa)." Journal of Advanced Research in Dynamical and Control Systems 11, no. 10-SPECIAL ISSUE (2019): 70–76. http://dx.doi.org/10.5373/jardcs/v11sp10/20192777.

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Lai, X. H., M. A. Marchetti, and H. D. Petersen. "Comparative Slow-Blasting in Rice Grown Under Upland and Flooded Blast Nursery Culture." Plant Disease 83, no. 7 (1999): 681–84. http://dx.doi.org/10.1094/pdis.1999.83.7.681.

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Evaluation of rice for resistance to rice blast disease caused by Pyricularia grisea usually is conducted in upland (nonflooded) disease nurseries, although all commercial U.S. rice is produced under flood irrigation. Upland rice is more susceptible to leaf blast than is flooded rice, and the magnitude of this differential susceptibility can vary among cultivars. This 2-year study was undertaken to determine (i) the relationship between rates of disease development (slow-blasting) in upland and flooded rice and (ii) the value to a rice breeding program of establishing a flooded blast nursery,

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Varsha M., Poornima B., and Pavan Kumar. "A Machine Learning Technique for Rice Blast Disease Severity Prediction Using K-Means SMOTE Class Balancing." International Journal of Risk and Contingency Management 11, no. 1 (2022): 1–27. http://dx.doi.org/10.4018/ijrcm.315304.

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Rice blast disease is strongly dependent on environmental and climate factors. This paper demonstrates the integration of a rice blast disease severity prediction model based on climate factors, providing a decision-support framework for farmers to overcome these problems. The major contribution of the proposed study is to predict the severity of rice blast disease using the linear SVM model. Prediction of rice blast disease severity is divided into four classes: 0, 1, 2, and 3. Data imbalance is the most challenging problem in multi-class classification. This study has efficiently handled imb

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Acharya, Basistha, Sunder Man Shrestha, Hira Kaji Manandhar, and Bedananda Chaudhary. "Screening of local, improved and hybrid rice genotypes against leaf blast disease (Pyricularia oryzae) at Banke district, Nepal." Journal of Agriculture and Natural Resources 2, no. 1 (2019): 36–52. http://dx.doi.org/10.3126/janr.v2i1.26013.

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Rice (Oryza sativa) is the major cereal crop of Nepal which is being faced by the devastating rice blast disease caused by Pyricularia oryzae Cavara. An experiment was conducted to screen rice genotypes against leaf blast disease under disease conducive upland nursery at Regional Agricultural Research Station (RARS), Khajura, Banke, Nepal during July to November, 2016. A total of 101 rice genotypes (comprising of local, improved and hybrid) including resistant and susceptible check were screened in a randomized complete block design with two replications. Disease scoring was done beginning fro

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Wicaksono, Danar, Arif Wibowo, and Ani Widiastuti. "METODE ISOLASI PYRICULARIA ORYZAE PENYEBAB PENYAKIT BLAS PADI." JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA 17, no. 1 (2017): 62. http://dx.doi.org/10.23960/j.hptt.11762-69.

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Isolation method of Pyricularia oryzae the causal agent of rice blast disease. Rice blast disease is a disease that reduces rice productivity and threatens global food reserves. The study of diversity and distribution of race fungal causing rice blast disease required a fungal isolates collection from different places and times. One of the challenges in collecting these fungi is the difficulty of isolation process. The purpose of this research was to study the proper isolation method of rice blast pathogen. The most appropriate isolation method of Pyricularia oryzae was to moisten the infected

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Feng, Changguang, Minlan Jiang, Qi Huang, Lingguo Zeng, Changjiang Zhang, and Yulong Fan. "A Lightweight Real-Time Rice Blast Disease Segmentation Method Based on DFFANet." Agriculture 12, no. 10 (2022): 1543. http://dx.doi.org/10.3390/agriculture12101543.

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The evaluation of rice disease severity is a quantitative indicator for precise disease control, which is of great significance for ensuring rice yield. In the past, it was usually done manually, and the judgment of rice blast severity can be subjective and time-consuming. To address the above problems, this paper proposes a real-time rice blast disease segmentation method based on a feature fusion and attention mechanism: Deep Feature Fusion and Attention Network (abbreviated to DFFANet). To realize the extraction of the shallow and deep features of rice blast disease as complete as possible,

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Monsur, MA, M. Ahmed, A. Haque, et al. "Cross Infection between Rice and Wheat Blast Pathogen Pyricularia oryzae." Bangladesh Rice Journal 20, no. 2 (2017): 21–29. http://dx.doi.org/10.3329/brj.v20i2.34125.

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Cross infection between rice and wheat blast fungi was investigated in a series of experiments conducted under controlled glasshouse condition following a completely randomized design. Two rice (BRRI dhan29 and LTH) and two wheat (BARI Gom25 and BARI Gom26) varieties were grown in plastic trays as sole and rice-wheat mixed crop culture. Plants were artificially inoculated using virulent isolates of rice and wheat blast fungi. It was observed that irrespective of variety and crop culture technique, all the isolates of wheat blast fungus caused significant 100% plant infection on leaf typical le

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Bragina, Olesya, Andrey Ogly, and Pshimaf Khachmamuk. "Immunological variability of rice varieties depending on growing conditions." E3S Web of Conferences 285 (2021): 02036. http://dx.doi.org/10.1051/e3sconf/202128502036.

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Blast (causative agent Pyriculariaoryzae Cavara) plays an important role among economically important, dangerous and harmful rice diseases of rice in all rice-growing countries, including Russia. The problem of resistance of rice plants to disease is one of the main problems in modern breeding in most countries. Intensification of rice cultivation creates a favorable microclimate in the sowing agrocenosis for the development of blast disease and leads to an increase in its harmfulness. The varieties quickly lose their resistance to new races of the pathogen, due to high spontaneous variability

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Simkhada, Kapil, and Rabin Thapa. "Rice Blast, A Major Threat to the Rice Production and its Various Management Techniques." Turkish Journal of Agriculture - Food Science and Technology 10, no. 2 (2022): 147–57. http://dx.doi.org/10.24925/turjaf.v10i2.147-157.4548.

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Rice (Oryza sativa L.) is the most important staple cereal crop which is consumed by more than 50% of world population. It contributes 23% and 50% of total calories consumed by world and Nepalese population respectively. Among various abiotic factors affecting rice, rice blast is the most disastrous, causing 70-80% yield loss. This disease was originated in China around 7000 years ago. In Nepal, it was first reported in Thimi, Bhaktapur in 1966. It is caused by a filamentous ascomycete fungus Magnaporthe oryzae (Anaemorphic form- Pyricularia oryzae). It infects all the developmental stage of p

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Mukherjee, AK, NK Mohapatra, and P. Nayak. "Assessment of partial resistance to rice blast disease." ORYZA- An International Journal on Rice 55, no. 3 (2018): 363. http://dx.doi.org/10.5958/2249-5266.2018.00046.2.

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