Results 1 to 10 of about 45,203 (256)

Classification of rice leaf blast severity using hyperspectral imaging [PDF]

Scientific Reports, 2022
Rice leaf blast is prevalent worldwide and a serious threat to rice yield and quality. Hyperspectral imaging is an emerging technology used in plant disease research.
Guosheng Zhang, Tongyu Xu, Youwen Tian, Shuai Feng, Dongxue Zhao, Zhonghui Guo   +5 more
doaj   +5 more sources

Genetic and molecular analysis of leaf blast resistance in Tetep derived line RIL4 and its relationship to genes at Pita/Pita 2 locus [PDF]

Scientific Reports, 2023
The Vietnamese indica landrace ‘Tetep’ is known worldwide for its durable and broad spectrum-resistance to blast. We performed genetic and molecular analyses of leaf blast resistance in a Tetep derived recombinant inbred line ‘RIL4’ which is resistant to
B. Biswas, K. Thakur, T. D. Pote, K. D. Sharma, S. Gopala Krishnan, A. K. Singh, T. R. Sharma, R. Rathour   +7 more
doaj   +2 more sources

Study on the Classification Method of Rice Leaf Blast Levels Based on Fusion Features and Adaptive-Weight Immune Particle Swarm Optimization Extreme Learning Machine Algorithm [PDF]

Frontiers in Plant Science, 2022
Leaf blast is a disease of rice leaves caused by the Pyricularia oryzae. It is considered a significant disease is affecting rice yield and quality and causing economic losses to food worldwide.
Dongxue Zhao, Shuai Feng, Yingli Cao, Yingli Cao, Fenghua Yu, Fenghua Yu, Qiang Guan, Jinpeng Li, Guosheng Zhang, Tongyu Xu, Tongyu Xu   +10 more
doaj   +2 more sources

Pangenome-Wide Association Study and Transcriptome Analysis Reveal a Novel QTL and Candidate Genes Controlling both Panicle and Leaf Blast Resistance in Rice [PDF]

Rice
Cultivating rice varieties with robust blast resistance is the most effective and economical way to manage the rice blast disease. However, rice blast disease comprises leaf and panicle blast, which are different in terms of resistance mechanisms.
Jian Wang, Haifei Hu, Xianya Jiang, Shaohong Zhang, Wu Yang, Jingfang Dong, Tifeng Yang, Yamei Ma, Lian Zhou, Jiansong Chen, Shuai Nie, Chuanguang Liu, Yuese Ning, Xiaoyuan Zhu, Bin Liu, Jianyuan Yang, Junliang Zhao   +16 more
doaj   +2 more sources

OsGF14b Positively Regulates Panicle Blast Resistance but Negatively Regulates Leaf Blast Resistance in Rice [PDF]

Molecular Plant-Microbe Interactions, 2016
Although 14-3-3 proteins have been reported to be involved in responses to biotic stresses in plants, their functions in rice blast, the most destructive disease in rice, are largely unknown.
Qing Liu, Jianyuan Yang, Shaohong Zhang, Junliang Zhao, Aiqing Feng, Tifeng Yang, Xiaofei Wang, Xinxue Mao, Jingfang Dong, Xiaoyuan Zhu, Hei Leung, Jan E. Leach, Bin Liu   +12 more
doaj   +3 more sources

Hyperspectral imaging-based classification of rice leaf blast severity over multiple growth stages [PDF]

Plant Methods, 2022
Background Rice blast, which is prevalent worldwide, represents a serious threat to harvested crop yield and quality. Hyperspectral imaging, an emerging technology used in plant disease research, is a stable, repeatable method for disease grading ...
Guosheng Zhang, Tongyu Xu, Youwen Tian
doaj   +2 more sources

Early Detection of Rice Leaf Blast Disease Using Unmanned Aerial Vehicle Remote Sensing: A Novel Approach Integrating a New Spectral Vegetation Index and Machine Learning

Agronomy
Leaf blast is recognized as one of the most devastating diseases affecting rice production in the world, seriously threatening rice yield. Therefore, early detection of leaf blast is extremely important to limit the spread and propagation of the disease.
Tongyu Xu, Qiang Cao, Dongxue Zhao
exaly   +3 more sources

RGB imaging-based detection of rice leaf blast spot and resistance evaluation at the canopy scale

浙江大学学报. 农业与生命科学版, 2021
Visual inspection of rice leaf blast resistance is time-consuming and labor-intensive with low accuracy. Therefore, this study aims to identify and detect rice leaf blast spots based on RGB imaging of rice canopy combined with mask regions with ...
XIE Pengyao, FU Haowei, TANG Zheng, MA Zhihong, CEN Haiyan   +4 more
doaj   +1 more source

Combination of Strobilurin and Triazole Chemicals for the Management of Blast Disease in Mushk Budji -Aromatic Rice

Journal of Fungi, 2021
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 ...
Fayaz Ahmad Mohiddin, Nazir A. Bhat, Shabir H. Wani, Arif H. Bhat, Mohammad Ashraf Ahanger, Asif B. Shikari, Najeebul Rehman Sofi, Shugufta Parveen, Gazala H. Khan, Zaffar Bashir, Pavla Vachova, Sabry Hassan, Ayman EL Sabagh   +12 more
doaj   +1 more source

Biological characteristics and fungicide sensitivity of Pyricularia variabilis

Open Life Sciences, 2021
In recent years, the pathogen that causes leaf blast on Amomum tsao-ko repeatedly infected the plants in a large area of Luchun County, Honghe Prefecture, Yunnan Province, China. The disease is caused by the pathogen Pyricularia variabilis.
Zhang Yiming, Wu Tingguan, He Yonghong
doaj   +1 more source