Characterization of Ampelomyces and its Potentiality as an Effective Biocontrol Agent against Erysiphe cichoracearum DC Causing Powdery Mildew disease in Bhendi (Abelmoschus esculentus (L.)

2019 ◽  
Vol 106 (Spl) ◽  
Author(s):  
Kanipriya R ◽  
Rajendran L ◽  
Raguchander T ◽  
Karthikeyan G
Keyword(s):  
Powdery Mildew ◽  
Biocontrol Agent ◽  
Abelmoschus Esculentus ◽  
Erysiphe Cichoracearum ◽  
Powdery Mildew Disease

Morphological and molecular characterization of spinach powdery mildew disease caused by Leveillula taurica in Turkey

2021 ◽  
Author(s):  
Soner Soylu ◽  
Aysun Uysal ◽  
Şener Kurt ◽  
Emine Mine Soylu ◽  
Merve Kara ◽  
...  
Keyword(s):  
Powdery Mildew ◽  
Molecular Characterization ◽  
Leveillula Taurica ◽  
Powdery Mildew Disease ◽  
Morphological And Molecular Characterization

scholarly journals Occurrence of powdery mildew disease of Gerbera in Kerala

2018 ◽  
Vol 13 (2) ◽  
pp. 217-220
Author(s):  
N M Praveen ◽  
Reshmy Vijayaraghavan ◽  
S Beena ◽  
S Krishnan
Keyword(s):  
Relative Humidity ◽  
Powdery Mildew ◽  
Weather Data ◽  
Slight Reduction ◽  
Erysiphe Cichoracearum ◽  
Powdery Mildew Disease ◽  
Golovinomyces Cichoracearum ◽  
A Chain ◽  
Cent Disease ◽  
Summer Decline

A purposive sampling survey on the hilly tracts of Wayanad, Kerala revealed the existence ofpowdery mildew disease in gerbera crops, grown under both protected and open field condition.Among the other fungal diseases of gerbera, powdery mildew disease causes decisive damageto the ornamental cut flower crop, thereby decline in the industrial value of the crop. Symptomof the disease include as white powdery mat on the upper surface of leaf lamina that graduallyturned pale yellow to brown. Powdery mildew existed in two locations of Wayanad viz.,Ambalavayal and Chulliyode where highest per cent disease severity (PDS) of 50.72 wasobserved at Chulliyode and 47.2 per cent was observed at Ambalavayal during November-December. In Ambalavayal, the disease was non-significant and no correlation existed betweenweather parameters and disease progress. But, in Chulliyode, correlation studies revealed thatit was significant with positive correlation to relative humidity and a reverse relation existedwith temperature and rainfall. The weather data clearly depicts that at a low rainfall of 96 mmand above average relative humidity of 80.27 per cent during November-December was thecongenial factor influencing the disease development. But during summer, decline in relativehumidity (78.37%) and rainfall (63.13 mm) caused a slight reduction in mean per cent diseaseseverity of 49.12 per cent and 33.6 per cent at Chulliyode and Ambalavayal respectively.Morohological and cultural characters of the pathogen depicts presence of two distinct organismviz., Golovinomyces cichoracearum (Erysiphe cichoracearum) and Podosphaera sp. as thecausative organism of the disease. Golovinomyces cichoracearumproduced hyaline, septatemycelia with globose conidia with irregular peripheral end formed in a chain and Podosphaerasp. produced superficial, hyaline, coenocytic mycelium with oval or ellipsoidal, catenate conidiawith dimension ranging from 22.1-30.18 x 13.36-18.08ìm formed in unbranched erectconidiophores.

scholarly journals Whole Genome Re-Sequencing and Characterization of Powdery Mildew Disease-Associated Allelic Variation in Melon

PLoS ONE ◽  
2016 ◽  
Vol 11 (6) ◽  
pp. e0157524 ◽  
Author(s):  
Sathishkumar Natarajan ◽  
Hoy-Taek Kim ◽  
Senthil Kumar Thamilarasan ◽  
Karpagam Veerappan ◽  
Jong-In Park ◽  
...  
Keyword(s):  
Powdery Mildew ◽  
Allelic Variation ◽  
Whole Genome ◽  
Powdery Mildew Disease

scholarly journals Short Communication: Identification of Mildew Locus O (MLO) genes in Durio zibethinus genome corresponding with the Powdery Mildew disease

2018 ◽  
Vol 19 (6) ◽  
pp. 2204-2212
Author(s):  
RAHMAT AZHARI KEMAL ◽  
ERIC BERNARDUS L. SANDJAJA ◽  
AUDI PUTRA SANTOSA ◽  
JEREMIAS IVAN
Keyword(s):  
Powdery Mildew ◽  
Short Communication ◽  
Functional Characterization ◽  
Functional Studies ◽  
Durio Zibethinus ◽  
Common Motif ◽  
Powdery Mildew Disease ◽  
Intracellular Domains

Kemal RA, Sandjaja EBL, Santosa AP, Ivan J. 2018. Short Communication: Identification of Mildew Locus O (MLO) genes in Durio zibethinus genome corresponding with the Powdery Mildew disease. Biodiversitas 19: 2204-2212. Mildew Locus O (MLO) is a protein consisting of seven transmembrane domains and appears in the various type of plants. MLO proteins are classified into seven clades. It is known that specific clades have different roles in a plant. MLOs from Clades IV and V have been linked to plant's susceptibility to Powdery Mildew (PM) disease. This study aimed to provide an overview of MLO genes present in durian (Durio zibethinus) genome. Bioinformatic analyses were conducted to analyze the phylogeny and structure of MLO genes and proteins in durian. The result showed that there were 20 putative DzMLO genes in durian, encoding 39 putative DzMLO proteins. Durian MLOs belong to Clade I-VI with one protein belongs to Clade IV and five proteins belong to Clade V. Those six MLO proteins shared a common motif in C-terminal and second intracellular domains. Putative alternative splicing and differential expressions were observed among Clade V DzMLO genes. These findings will facilitate the functional characterization of MLO genes and proteins in durian. Functional studies, especially on C-terminal and second intracellular domains, need to be conducted to elucidate the role of MLO in PM susceptibility in durian.

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