نتایج جستجو برای: phytophthora cryptogea

تعداد نتایج: 8492  

Ghaderi F, Hasehemi SAA (2022) Phytophthora citricola as the causal agent of persimmon root rot in Fars province of Iran. Plant Pathology Science 11(2): 1-10.   Doi: 10.2982/PPS.11.2.1   Introduction: Phytophthora species are a serious threat to plant products worldwide. Therefore, identifying them is the first step in finding a way to treat the disease. The aim of this study was to identify ...

ژورنال: چغندرقند 2008

ریشه‏های چغندرقند به‏ همراه خاک چسبیده به آن پس‏از برداشت جهت فرآوری به کارخانه‏های قند حمل‏شده و در اولین مرحله توسط فشار آب شستشو می‏شوند. آب گل‏آلود حاصل‏از شستشوی ریشه‏ها به‏عنوان پساب کارخانه توسط کانال به مزارع منطقه انتقال یافته و جهت آبیاری مورد استفاده قرار می‏گیرد. با توجه به امکان انتقال عوامل بیماری‏زا توسط خاک و آب، طی سال 1384یک بار در هفته در زمان فعالیت کارخانه‏قند بردسیر از پسا...

2015
Yan Wang Rob Weide Francine Govers Klaas Bouwmeester

Membrane-bound receptors play crucial roles as sentinels of plant immunity against a large variety of invading microbes. One class of receptors known to be involved in self/non-self-surveillance and plant resistance comprises the L-type lectin receptor kinases (LecRKs). Previously, we reported that several Arabidopsis LecRKs play a role in resistance to Phytophthora pathogens. In this study, we...

2018
Tyler B Bourret Robin A Choudhury Heather K Mehl Cheryl L Blomquist Neil McRoberts David M Rizzo

Phylogenetic relationships between thirteen species of downy mildew and 103 species of Phytophthora (plant-pathogenic oomycetes) were investigated with two nuclear and four mitochondrial loci, using several likelihood-based approaches. Three Phytophthora taxa and all downy mildew taxa were excluded from the previously recognized subgeneric clades of Phytophthora, though all were strongly suppor...

2014
Ik-Hwa Hyun Woobong Choi

Given the lack of a resistant genetic pool in host plants, the introduction of exotic invasive pathogens can result in epidemics that affect a specific ecosystem and economy. Plant quarantine, which is designed to protect endemic plant resources, is a highly invaluable safeguard that should keep biosecurity with increasing international trade and global transportation. A total of 34 species of ...

2011
Niklaus J. Grünwald Frank N. Martin Meredith M. Larsen Christopher M. Sullivan

Grünwald, N. J., Martin, F. N., Larsen, M. M., Sullivan, C. M., Press, C. M., Coffey, M. D., Hansen, E. M., and Parke, J. L. 2011. PhytophthoraID.org: A sequence-based Phytophthora identification tool. Plant Dis. 95:337-342. Contemporary species identification relies strongly on sequence-based identification, yet resources for identification of many fungal and oomycete pathogens are rare. We de...

2009
H. Stępniewska

OF HABILITATION THESIS University of Agriculture, Cracow, Poland MORPHOLOGY AND SOME PHYSIOLOGICAL CHARACTERISTICS OF PHYTOPHTHORA CACTORUM (LEBERT ET COHN) SCHRÖTER AND PHYTOPHTHORA CITRICOLA SAWADA OCCURRING IN FOREST NURSERIES IN SOUTHERN POLAND

2013
L. Bertier H. Brouwer A.W.A.M. de Cock D.E.L. Cooke C.H.B. Olsson M. Höfte

Despite its association with important agricultural crops, Phytophthora clade 8b is a poorly studied group of species. The clade currently consists of three officially described species (Phytophthora porri, P. brassicae and P. primulae) that are host-specific pathogens of leek, cabbages and Primula spp., respectively. However, over the past few decades, several other clade 8b-like Phytophthoras...

2012
Takuma Sugimoto Masayasu Kato Shinya Yoshida Isao Matsumoto Tamotsu Kobayashi Akito Kaga Makita Hajika Ryo Yamamoto Kazuhiko Watanabe Masataka Aino Toru Matoh David R. Walker Alan R. Biggs Masao Ishimoto

Phytophthora stem and root rot, caused by Phytophthora sojae, is one of the most destructive diseases of soybean [Glycine max (L.) Merr.], and the incidence of this disease has been increasing in several soybean-producing areas around the world. This presents serious limitations for soybean production, with yield losses from 4 to 100%. The most effective method to reduce damage would be to grow...

2017
Scott A. Lawrence Charlotte B. Armstrong Wayne M. Patrick Monica L. Gerth

Oomycetes in the genus Phytophthora are among the most damaging plant pathogens worldwide. Two important species are Phytophthora cinnamomi, which causes root rot in thousands of native and agricultural plants, and Phytophthora agathidicida, which causes kauri dieback disease in New Zealand. As is the case for other Phytophthora species, management options for these two pathogens are limited. H...

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