Results 1 to 10 of about 7,702 (213)

A morphogenetic study of sporangia-partitioning complex [PDF]

open access: yesActa Societatis Botanicorum Poloniae, 2015
The bilobed sporangia in the species of Anthoceros, Isoetes and Ophioglossum are described. The morphogenetic importance of the process of "fission" in evolutionary development of sporangia in pteridophytes is discussed.
H. K. Goswami
doaj   +7 more sources

Geometric morphometry of Phytophthora plurivora sporangia [PDF]

open access: yesAnnals of Forest Research, 2015
Eigenshape analysis and Relative Warp Analysis were employed in the study of the shape of highly variable sporangia of Phytophthora plurivora, a widespread oomycetous pathogen isolated from woody species, in several South-East European countries ...
Ecaterina Fodor   +8 more
doaj   +6 more sources

Two glycoside hydrolases decompose the sporangium matrix to release spores during sporangium dehiscence in Actinoplanes missouriensis [PDF]

open access: yesmBio
The actinomycete Actinoplanes missouriensis grows as a substrate mycelium and forms terminal sporangia containing a few hundred spores surrounded by an unidentified matrix called the sporangium matrix.
Kyota Mitsuyama   +5 more
doaj   +2 more sources

RT-qPCR-Based Estimation of Phytophthora infestans Sporangia Using the MFS Transporter Gene PITG_13011 [PDF]

open access: yesJournal of Fungi
Phytophthora infestans is the causal agent of late blight, one of the most destructive diseases of potato and tomato worldwide. Although qPCR-based methods are widely used to estimate pathogen biomass in infected tissues, methods for specifically ...
Hua Zhao   +6 more
doaj   +2 more sources

In vitro biocontrol potential of plant extract-based formulation against infection structures of Phytophthora infestans along with lower non-target effects [PDF]

open access: yesFrontiers in Microbiology
Late blight, caused by Phytophthora infestans, is among the most destructive diseases affecting tomatoes and potatoes. The use of synthetic fungicides is becoming increasingly restricted due to the banning of several active ingredients for environmental ...
Valentin Penaud   +12 more
doaj   +2 more sources

Involvement of an orphan response regulator of the two-component regulatory system in the formation of physiologically mature sporangia in Actinoplanes missouriensis [PDF]

open access: yesMicrobiology Spectrum
The actinomycete Actinoplanes missouriensis forms terminal sporangia that contain dormant sporangiospores. Upon contact with water, sporangia release zoospores through a process called sporangium dehiscence.
Takuya Akutsu   +4 more
doaj   +2 more sources

Ocular Rhinosporidiosis and Recurrence Postsurgery: A Case Series [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2022
Rhinosporidiosis, a chronic granulomatous disease, is caused by Rhinosporidium seeberi. It is an endosporulating microorganism causing polypoidal ocular mass.
Anindya Adhikari   +5 more
doaj   +1 more source

Characterization of Phytophthora nicotianae isolates from tobacco plants (Nicotiana tabacum) in Colombia [PDF]

open access: yesRevista Ceres, 2022
The black shank disease caused by Phytophthora nicotianae causes losses in tobacco crops up 100%. In Colombia, P. nicotianae populations are poorly known causing wrong diagnostics and erratic management.
Diana Marcela Vanegas   +5 more
doaj   +1 more source

Modeling the correlation between potato disease spread and climate variables to guide fungicide applications in Cundinamarca, Colombia

open access: yesNaturaleza y Sociedad: Desafíos Medioambientales, 2021
Potato production relies on frequent fungicide spraying, damaging the environment, increasing production costs, and eventually leading to crop abandonment.
Estefanía Luengas   +4 more
doaj   +1 more source

Morphological, molecular and pathogenic characterization of Phytophthora palmivora isolates causing black pod rot of cacao in Colombia

open access: yesSpanish Journal of Agricultural Research, 2020
Aim of study: To characterize isolates of Phytophthora sp. causing black pod rot (BPR) of cacao (Theobroma cacao L.). Area of study: Eight cocoa-growing regions in Colombia. Material and methods: Sixty isolates of Phytophthora sp.
Eleonora Rodríguez-Polanco   +4 more
doaj   +1 more source

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