home    about    browse    search    latest    help 
Login | Create Account

First Report of Powdery Mildew Caused By Erysiphe Cruciferarum on Camelina Sativa in Bulgaria

Dimova, Milena and Petkova, Mariana (2024) First Report of Powdery Mildew Caused By Erysiphe Cruciferarum on Camelina Sativa in Bulgaria. Pakistan Journal of Life and Social Sciences, 22, pp. 23969-23974.

[thumbnail of 2024_2/23969-23974.pdf]
Preview
PDF - English
569kB


Summary

Camelina (Camelina sativa L. Crantz) belongs to the Cruciferous family and is a relatively new crop for Bulgaria. At the end of June of the same year, symptoms of powdery mildew (Erysiphe cruciferarum Opiz ex L. Junell) were detected, with an attack rate exceeding 40%. A white mycelium was observed on the upper side of the leaves and the stems, later the leaves turned yellow. The structure of the white colonies with hyphal growth is observed under a microscope. Conidiophores are cylindrical, 19.9 to 41.7 × 8 to 17.1 μm and composed of 3 to 4 cells. The chasmothecia of the pathogen was also discovered. Fruiting bodies are 110 µm (80-130 µm) in diameter, with colourless, club-shaped asci with colourless, ovoid ascospores. Pathogenicity experiments performed according to Koch's rules were conducted in a greenhouse at 22 °C, 14 h photoperiod and 70 % humidity. As a result, the typical symptoms of powdery mildew appeared 8 days post-infection. It was re-isolated and identified by morphological characteristics. Partial sequence analysis of the ITS5 - 5.8 - ITS4 region of the nuclear ribosomal DNA with universal primers identified the pathogen as E. cruciferarum. The phylogenetic tree was built using the neighbour-joining by BLAST software. According to the literature, the article is the first report of powdery mildew caused by E. cruciferarum on camelina in Bulgaria.


EPrint Type:Journal paper
Agrovoc keywords:
Language
Value
URI
English
Camelina sativa
http://aims.fao.org/aos/agrovoc/c_33635
English
powdery mildews
http://aims.fao.org/aos/agrovoc/c_13557
English
UNSPECIFIED
UNSPECIFIED
Subjects: Crop husbandry > Crop health, quality, protection
Research affiliation: European Union > CORE Organic > CORE Organic Cofund > Third Call > SCOOP
Bulgaria > Agricultural University, Plovdiv
Deposited By: Krzyzaniak, Dr. Michal
ID Code:55963
Deposited On:04 Jul 2025 12:44
Last Modified:04 Jul 2025 12:44
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

Repository Staff Only: item control page

Downloads

Downloads per month over past year

View more statistics