Results 41 to 50 of about 682 (162)

Foliar Fungal Disease Management for Commercial Citrus Groves

open access: yesEDIS, 2009
PP270, a 2-page illustrated fact sheet by Megan M. Dewdney and Jamie D. Yates, highlights symptoms and management for greasy spot, melanose, alternaria brown spot, and citrus scab for commercial citrus groves.
Megan M. Dewdney, Jamie D. Yates
doaj   +5 more sources

Doenças pós-colheita em laranja 'Valência' e caracterização da população fúngica em pomares orgânicos e convencionais. [PDF]

open access: yes, 2011
A agricultura orgânica busca atender a demanda crescente por alimentos saudáveis, produzidos sem agroquímicos. Este trabalho objetivou: a) caracterizar as doenças pós-colheita em laranjas 'Valência' provenientes de cultivo orgânico e convencional; b ...
Amorim, Lilian   +3 more
core   +2 more sources

Studies on the causal fungus of citrus melanose in Japan

open access: yesEngei Gakkai zasshi, 1950
The authors carried out studies on the morpho-logical and physiological characters of the causal fungus of citrus melanose in Japan, and particu-larly its pathogenicity during the year 1948 and 1949. Results of the experiments are summarized as follows. 1.
S. TANAKA, S. NAKAMURA
openaire   +2 more sources

Hyperspectral image analysis techniques for the detection and classification of the early onset of plant disease and stress [PDF]

open access: yes, 2017
This review explores how imaging techniques are being developed with a focus on deployment for crop monitoring methods. Imaging applications are discussed in relation to both field and glasshouse-based plants, and techniques are sectioned into ‘healthy ...
A Singh   +40 more
core   +2 more sources

ANALISIS SISTEM PAKAR PENYAKIT TANAMAN JERUK SIAM MENGGUNAKAN DEEP NEURAL NETWORK (DNN) [PDF]

open access: yes, 2023
Siamese oranges are cultivated by farmers in West Kalimantan, one of which is in a plantation in Setapok Village, Singkawang City. According to information from local farmers, citrus cultivation is experiencing problems, namely citrus plants are damaged ...
Setyanngsih, Fatma Agus
core   +1 more source

High species diversity in Diaporthe associated with citrus diseases in China [PDF]

open access: yes, 2023
Species in Diaporthe have broad host ranges and cosmopolitan geographic distributions, occurring as endophytes, saprobes and plant pathogens. Previous studies have indicated that many Diaporthe species are associated with Citrus.
Crous, Pedro W.   +11 more
core   +1 more source

ANALISIS SISTEM PAKAR UNTUK MENGIDENTIFIKASI PENYAKIT PADA TANAMAN JERUK SIAM (CITRUS NOBILIS VAR. MICROCARPA) DARI PERKEBUNAN DESA SETAPOK, KOTA SINGKAWANG [PDF]

open access: yes, 2021
Pontianak Oranges (alternatively called ‘Siam Oranges’), are cultivated by farmers in several areas in West Kalimantan, one of which is a plantation in Setapok Village, Singkawang City.
Mukarlina, Mukarlina   +2 more
core   +1 more source

Inorganic solar filters incorporated to carnauba wax and incidence of citrus black spot on tangerine [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2022
The objective of this work was to evaluate the effect of zinc (ZnO) and titanium (TiO2) oxides, added to carnauba wax emulsions, on the incidence of citrus black spot (CBS) caused by Phyllosticta citricarpa and, consequently, on tangerine quality.
Fernanda Varela Nascimento   +2 more
doaj   +1 more source

Studies on citrus melanose and citrus stem-end rot by Diaporthe citri (Faw.) Wolf. Part 4. Antifungal substance in melanose spot.

open access: yesJapanese Journal of Phytopathology, 1986
A series of experiments were conducted to clarify the reason why the invading hyphae of Diaporthe citri (Faw.) Wolf is arrested and killed in melanose spot. After a melanose spot on citrus leaf was formed, pycnospore suspension of D. citri with 2% fructose was inoculated onto the melanose spot.
Yutaka ARIMOTO   +2 more
openaire   +2 more sources

A Comparative Study on Application of Computer Vision and Fluorescence Imaging Spectroscopy for Detection of Huanglongbing Citrus Disease in the USA and Brazil

open access: yesJournal of Spectroscopy, Volume 2013, Issue 1, 2013., 2013
The overall objective of this work was to develop and evaluate computer vision and machine learning technique for classification of Huanglongbing‐(HLB)‐infected and healthy leaves using fluorescence imaging spectroscopy. The fluorescence images were segmented using normalized graph cut, and texture features were extracted from the segmented images ...
Caio B. Wetterich   +6 more
wiley   +1 more source

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