Results 1 to 10 of about 243,816 (294)

Helminthosporium Leaf Spot

EDIS, 2011
This fungal disease is most serious on bermudagrass and acts over a wide range of temperatures. This revised 2-page fact sheet was written by M. L. Elliott and P. F. Harmon, and published by the UF Department of Plant Pathology, February 2011.
Monica L. Elliott, Philip F. Harmon
doaj   +7 more sources

Gray Leaf Spot

EDIS, 2011
This disease affects primarily St. Augustinegrass, but also centipedegrass. It is most often observed from late spring to early fall, especially during prolonged periods of rainfall. This revised 2-page fact sheet was written by M. L. Elliott and P.
Monica L. Elliott, Philip F. Harmon
doaj   +7 more sources

Cercospora Leaf Spot

EDIS, 2011
Cercospora leaf spot is a fungal disease of St. Augustinegrass observed during periods of frequent rainfall. This revised 2-page fact sheet was written by M. L. Elliott and P. F.
Monica L. Elliott, Philip F. Harmon
doaj   +7 more sources

Purple spot and Stemphylium leaf spot of asparagus

California Agriculture, 1984
Not available – first paragraph follows: For several years, California asparagus growers have noticed purple spots that develop near the base of the spears before harvest. The condition is worse following cool, wet weather and was more severe during 1982
P Falloon, L Falloon, R Grogan
doaj   +1 more source

Leaf Spot Caused by Alternaria spp. Is a New Disease of Grapevine [PDF]

Plants
In this study, we carried out large-scale leaf spot symptom observation on vineyards in the Krasnodar Krai of Russia and determined their distribution.
Evgeniya Yurchenko, Daria Karpova, Margarita Burovinskaya, Svetlana Vinogradova   +3 more
doaj   +2 more sources

A Novel Subspecies of Didymella acutilobae Causing Leaf Spot in East Asian Hogweed [PDF]

Mycobiology
During disease surveys in 2021 and 2022, outbreaks of leaf spot were observed in East Asian hogweed (Heracleum moellendorffii) plants in fields located in Pyeongchang and Yeongwol, Gangwon Province, Korea.
Gyo-Bin Lee, Weon-Dae Cho, Wan-Gyu Kim
doaj   +2 more sources

Leaf Spot Attention Networks Based on Spot Feature Encoding for Leaf Disease Identification and Detection

Applied Sciences, 2021
This study proposes a new attention-enhanced YOLO model that incorporates a leaf spot attention mechanism based on regions-of-interest (ROI) feature extraction into the YOLO framework for leaf disease detection.
Chang-Hwan Son
doaj   +1 more source

Association of cropping practices, cropping areas, and foliar diseases of common bean (Phaseolus vulgaris L.) in Ethiopia

Journal of Agriculture and Food Research, 2023
Common bean production is being constrained by a number of diseases. The survey was carried out to prioritize common bean diseases and their associations with cropping areas and cultural practices.
Tizazu Degu, Tesfaye Alemu, Asnake Desalegn, Berhanu Amsalu, Alemayehu Assefa   +4 more
doaj   +1 more source

Monitoring Maize Leaf Spot Disease Using Multi-Source UAV Imagery

Drones, 2023
Maize leaf spot is a common disease that hampers the photosynthesis of maize by destroying the pigment structure of maize leaves, thus reducing the yield. Traditional disease monitoring is time-consuming and laborious.
Xiao Jia, Dameng Yin, Yali Bai, Xun Yu, Yang Song, Minghan Cheng, Shuaibing Liu, Yi Bai, Lin Meng, Yadong Liu, Qian Liu, Fei Nan, Chenwei Nie, Lei Shi, Ping Dong, Wei Guo, Xiuliang Jin   +16 more
doaj   +1 more source

Tetramycin ameliorates tebuconazole·azoxystrobin to control leaf spot and viral diseases of Taizishen [PDF]

Frontiers in Plant Science
Tian B, Tang C, Liu J, Jin B, Zhang C.
exaly   +2 more sources