نتایج جستجو برای: rhizoctonia solani pseudomonas fluoresecns

تعداد نتایج: 57520  

2016
Lei Chen Peng Ai Jinfeng Zhang Qiming Deng Shiquan Wang Shuangcheng Li Jun Zhu Ping Li Ai-ping Zheng

Rice [Oryza sativa (L.)] feeds more than half of the world's population. Rhizoctonia solaniis a major fungal pathogen of rice causing extreme crop losses in all rice-growing regions of the world. R. solani AG1 IA is a major cause of sheath blight in rice. In this study, we constructed a comprehensive and user-friendly web-based database, RSIADB, to analyse its draft genome and transcriptome. Th...

یافتن سویه­های جدیدی از باکتری­های پروبیوتیک گیاهی با قابلیت تجاری­سازی در کشاورزی از اهمیت زیادی برخوردار است. در این تحقیق، خصوصیات بیولوژیک و بیوشیمیایی سویه Pseudomonas fluorescens UTPF5 به‌عنوان یک باکتری مهم در ایران، مورد ارزیابی­ قرار گرفته است. تولید متابولیت­های مختلف از جمله اکسین، سیانید هیدروژن، سیدروفور، فنازین، دی استیل فلوروگلوسینول و تشکیل بیوفیلم و سیستم­های تنظیمی مورد بررسی ...

2017
Tanya Copley Stéphane Bayen Suha Jabaji

Application of biochar, a pyrolyzed biomass from organic sources, to agricultural soils is considered a promising strategy to sustain soil fertility leading to increased plant productivity. It is also known that applications of biochar to soilless potting substrates and to soil increases resistance of plants against diseases, but also bear the potential to have inconsistent and contradictory re...

2013
Fumio Taguchi-Shiobara Hidenobu Ozaki Hiroyuki Sato Hiroaki Maeda Yoichiro Kojima Takeshi Ebitani Masahiro Yano

Sheath blight, caused by Rhizoctonia solani, is one of the most serious diseases of rice. Among 33 rice accessions, mainly from National Institute of Agrobiological Sciences (NIAS) Core Collection, we found three landraces from the Himalayas-Jarjan, Nepal 555 and Nepal 8-with resistance to sheath blight in 3 years' field testing. Backcrossed inbred lines (BILs) derived from a cross between Jarj...

2018
Wenjin Hu Xinli Pan Fengfeng Li Wubei Dong

To explore the pathogenesis of Rhizoctonia solani and its phytotoxin phenylacetic acid (PAA) on maize leaves and sheaths, treated leaf and sheath tissues were analyzed and interpreted by ultra-performance liquid chromatography-mass spectrometry combined with chemometrics. The PAA treatment had similar effects to those of R. solani on maize leaves regarding the metabolism of traumatin, phytosphi...

Rhizoctonia solani is an important soil-borne pathogen which has a broad host range and cause damping-off or rottenness of root and crown of cultivated plants. The combined use of different control methods in IPM programs is an effective strategy against pathogens and is useful especially in resistance management programs. In this study, EC50 and EC25 values of three conventional chemical fungi...

Journal: :The Biochemical journal 1998
F Xu R M Berka J A Wahleithner B A Nelson J R Shuster S H Brown A E Palmer E I Solomon

A Myceliophthora thermophila laccase and a Rhizoctonia solani laccase were mutated on a pentapeptide segment believed to be near the type-1 Cu site. The mutation L513F in Myceliophthora laccase and the mutation L470F in Rhizoctonia laccase took place at a position corresponding to the type-1 Cu axial methionine (M517) ligand in Zucchini ascorbate oxidase. The triple mutations V509L,S510E,G511A ...

2011
George S. Abawi John W. Ludwig

Root rot is an important and widespread disease that often causes significant reduction in the yield and quality of harvested peas throughout the production areas in New York. Pea root rot can be caused by one of several soilborne pathogens or various combinations of root pathogens and also non-pathogens. In recent years, Fusarium solani f. sp. pisi (causal pathogen of Fusarium root rot) has be...

2011
B. K. GOSWAMI M. M. RAHAMAN A. K M. A. HOQUE K. BHUYAN I. H. MIAN

An experiment was conducted to find out variation in isolated Rhizoctonia solani based on radial mycelial growth and sclerotial production. Five isolates of Rhizoctonia solani representing five clusters group were selected and were grown at different levels of temperature and pH on potato dextrose agar (PDA). It was observed that optimum temperature and pH for growth and scierotial production v...

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