Results 111 to 120 of about 7,702 (213)

YOLOv11-DAFNet: A multi-directional attention and multi-dilated residual fusion network for cucumber downy mildew sporangia detection in microscopic images

open access: yesSmart Agricultural Technology
To address the challenges in microscopic image detection of cucumber downy mildew sporangia, where extremely small target sizes and pronounced geometric deformations hinder detection performance, this study proposes a novel detection model, YOLOv11 ...
Zhijun Zhang   +3 more
doaj   +1 more source

Sporangia Counts and Analysis in Relation to Partial Resistance of the Potato to Late Blight [PDF]

open access: yes, 1962
The late blight fungus, Phytophthora. infestans(Mont.) de Bary, of potatoes has, through its intermittent destruction of this crop, forced men to move from the land of their nativity to areas of new hope.
Nuland, David Sterling
core  

The Method of Cleavage in the Sporangia of Certain Fungi

open access: yesMycologia, 1922
The division of the multinucleated sporangia into spores and the delimitation of the sporangium from the sporangiophore by a dome-shaped cross partition present many features of special cytological interest. Erroneous views on both processes are still current in the literature and as to the formation of the columella certain textbooks, both old and ...
openaire   +2 more sources

Morphological and phylogenetic analyses of an Elongisporangium species and two Globisporangium species (Peronosporales, Oomycota) from China

open access: yesFrontiers in Cellular and Infection Microbiology
IntroductionThe species diversity and geographical distribution of Pythium sensu lato (s.l.) in China remain to be further supplemented and improved.
Yuanyuan Chen   +6 more
doaj   +1 more source

Quantification of sporangia and zoospore production in a plant pathogen oomycete using an automatic particle analyser [PDF]

open access: yes, 2014
International audienceCrop pathogens have to adapt to a broad range of selective pressures such as varying cultural practices,climate change or new host genotypes [1,2].
Delière, L   +4 more
core  

First record of Early Devonian (Lochkovian) flora from the Santa Rosa Formation - Alarache, Southern Bolivia

open access: yesGeologica Acta, 2009
New information on plants and palynomorphs from Angosto de Alarache, South Bolivia, is presented. The plant remains appear at the base of the section. Dichotomizing sterile forms are assigned to Hostinella sp.
M. DI PASQUO, S. NOETINGER
doaj  

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