نتایج جستجو برای: phytophthora capsici

تعداد نتایج: 8661  

2015
Van Long Nguyen V. L. Nguyen

Black pepper is the one of most important export products in Vietnam. As the largest exporter, Vietnam’s pepper commodities account for 58% of total worldwide exporters. However, Vietnam’s pepper production is dealing with disease problems, especially foot rot/quick death infected by Phytophthora capsici. The disease results in serious and rapid spread and infection in Vietnam, with yearly redu...

2014
Min Yang Yu Zhang Lei Qi Xinyue Mei Jingjing Liao Xupo Ding Weiping Deng Limin Fan Xiahong He Jorge M. Vivanco Chengyun Li Youyong Zhu Shusheng Zhu

BACKGROUND Intercropping systems could increase crop diversity and avoid vulnerability to biotic stresses. Most studies have shown that intercropping can provide relief to crops against wind-dispersed pathogens. However, there was limited data on how the practice of intercropping help crops against soil-borne Phytophthora disease. PRINCIPAL FINDINGS Compared to pepper monoculture, a large sca...

Journal: :Applied and environmental microbiology 1993
L Y Guo W H Ko

Tomato agar and soybean agar were found to be comparable to or in some cases better than the popular V8 vegetable juice agar in supporting linear growth of Phytophthora cactorum, Phytophthora capsici, Phytophthora parasitica, Pythium aphanidermatum, and Pythium splendens; sporangium production of P. capsici, P. palmivora, and Pythium splendens; and oospore formation of P. cactorum, P. parasitic...

2014
Gerardo Puopolo Paolo Sonego Kristof Engelen Ilaria Pertot

Lysobacter capsici AZ78, isolated from tobacco rhizosphere, effectively controls Phytophthora infestans and Plasmopara viticola on tomato and grapevine plants, respectively. We report the first draft genome sequence of the L. capsici species.

Journal: :Pest management science 2008
Jung Yeop Lee David H Sherman Byung Kook Hwang

BACKGROUND A number of synthetic fungicides are not effective when confronted by oomycete pathogens because many fungicide targets are absent from oomycetes. Moreover, resistance to fungicides has already arisen in oomycete species, and thus development of new, effective and safe compounds for use in oomycete disease control is necessary. RESULTS Zoospore lysis began at 10 microg mL(-1) of th...

2014
Ph. Lachenaud

Black pod rot, caused by Stramenopiles of the genus Phytophthora, leads to serious production losses in all cocoa growing zones. In order to reduce the impact of these pests, preference is given to genetic control using resistant varieties, and sources of resistance are actively being sought, particularly in wild cacao trees. Surveys were undertaken in the natural cacao tree populations of sout...

Journal: :Mycologia 2008
Ryan S Donahoo Kurt H Lamour

Phytophthora capsici and the closely related Phytophthora tropicalis infect different hosts that have documented overlapping geographical distributions. Phytophthora capsici attacks annual vegetable hosts whereas P. tropicalis has been recovered from woody perennial hosts. Our objective was to test whether interspecific hybridization is possible and to characterize the resulting progeny. Crosse...

Journal: :Genetics and molecular research : GMR 2014
Y Du Z-H Gong G-Z Liu G-X Chai C Li

Phytophthora capsici from seven provinces of China were investigated for their mating type, hyphal growth, zoospore production, and virulence. All of the morphological characteristics and the results of polymerase chain reaction confirmed that these isolates were indeed Phytophthora capsici. The test of mating type showed that the mating types of 19 representative isolates from China varied. Th...

Journal: :Molecules 2016
Yong Wang Yang Sun Ying Zhang Xing Zhang Juntao Feng

Phytophthora blight of pepper caused by Phytophthora capsici Leonian is a destructive disease throughout the world. Cuminic acid, extracted from the seed of Cuminum cyminum L., belongs to the benzoic acid chemical class. In this study, the sensitivity and biochemical response of P. capsici to cuminic acid was determined. The mean EC50 (50% effective concentration) values for cuminic acid in inh...

2014
Artemis Giannakopoulou Sebastian Schornack Tolga O. Bozkurt Dave Haart Dae-Kyun Ro Juan A. Faraldos Sophien Kamoun Paul E. O’Maille

Plants protect themselves against a variety of invading pathogenic organisms via sophisticated defence mechanisms. These responses include deployment of specialized antimicrobial compounds, such as phytoalexins, that rapidly accumulate at pathogen infection sites. However, the extent to which these compounds contribute to species-level resistance and their spectrum of action remain poorly under...

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