نتایج جستجو برای: magnaporthe oryzae

تعداد نتایج: 5832  

ژورنال: :بیماریهای گیاهی 0
عادل پردل نویسنده محمد جوان نیکخواه مسئول مکاتبه سیداکبر خداپرست نویسنده

گونه pyricularia oryzaeعامل بلاست برنج یکی از خسارتزا ترین و مهمترین بیماری های برنج در دنیا می باشد. به منظور شناسایی میزبان های p. oryzaeو جدا کردن این گونه از گونه p. grisea، در بهار، تابستان و پاییز سال های 1391 و 1392 از گیاهان دارای نشانه های بلاست و لکه برگی در مزارع برنج، گندم، جو، ذرت، سورگوم و باغات مرکبات، چای و جنگل های نواحی جنوبی دریای خزر- از آستارا در استان گیلان تا گنبد کاووس د...

Journal: :Agronomy 2022

Plant disease management is key to sustainable production of staple food crops. Calcium (Ca2+) signal and phytohormones play critical roles in regulating plant defense responses against pathogens. The Ca2+ signals are sensed, decoded transduced by calmodulin other -binding proteins, followed interaction with modulation activities target proteins such as calmodulin-binding (CBPs). Members the Ar...

2014
Sonia Chadha Mradul Sharma

A fundamental problem in fungal pathogenesis is to elucidate the evolutionary forces responsible for genomic rearrangements leading to races with fitter genotypes. Understanding the adaptive evolutionary mechanisms requires identification of genomic components and environmental factors reshaping the genome of fungal pathogens to adapt. Herein, Magnaporthe oryzae, a model fungal plant pathogen i...

2015
Zhen Zhang Jiaoyu Wang Rongyao Chai Haiping Qiu Hua Jiang Xueqin Mao Yanli Wang Fengquan Liu Guochang Sun

Magnaporthe oryzae is a hemibiotrophic fungal pathogen that causes rice blast disease. A compatible interaction requires overcoming plant defense responses to initiate colonization during the early infection process. Nitric oxide (NO) plays important roles in defense responses during host-pathogen interactions. Microbes generally protect themselves against NO-induced damage by using enzymes. He...

Journal: :Journal of Agricultural and Applied Economics 2023

Abstract Applying the difference-in-difference (DID) estimation procedure, this study quantifies wheat blast ( Magnaporthe oryzae pathotype Triticum) induced losses in yield, quantity of sold, consumed, or stored, as well grain value Bangladesh 2016 following a disease outbreak that affected over 15,000 ha. Estimates show blast-induced yield loss was 540 kg ha −1 on average for households blast...

Journal: :Asian Journal of Pharmaceutical and Clinical Research 2021

Objective: The aims of the present study were to screen actinobacteria with high potential ability produce secondary metabolites that have inhibitory activity against plant pathogenic fungi, Magnaporthe oryzae. Production was analysis by thin-layer chromatography and bioautography assay.
 Methods: Screening selection Streptomyces sp. morphological, cultural, physiological, biochemical char...

2013
Jessie Fernandez Richard A. Wilson

The Sugar Sensor, Trehalose-6-Phosphate Synthase (Tps1), Regulates Primary and Secondary Metabolism during Infection by the Rice Blast Fungus: Will Magnaporthe oryzae's " Sweet Tooth " become Its " Achilles' Heel " ?" (2011). Fungal Molecular Plant-Microbe Interactions. Paper 6. disparate cellular activities? To address this question, this review discusses our current understanding of tre-halos...

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