搜索结果: 1-15 共查到“植物保护学 pseudomonas”相关记录23条 . 查询时间(0.085 秒)
具有III型分泌系统的Pseudomonas moraviensis FP1761植物益生功能及其全基因组分析
摩拉维亚假单胞菌 生物防治 植物益生菌 全基因组分析 III型分泌系统
2020/12/24
本研究从节瓜根际分离到一株具有防病促生功能的荧光类假单胞菌FP1761。该菌株对部分植物病原真菌和细菌具有拮抗能力,能够解钾、解有机磷和无机磷,可产生氨、蛋白酶、嗜铁素、吲哚乙酸。生物测定表明菌株FP1761可显著促进小麦生长。生理生化、平均核苷酸相似度、16S rDNA和多基因分析将FP1761鉴定为摩拉维亚假单胞菌(Pseudomonas moraviensis)。菌株FP1761基因组草图全...
梨灰霉病菌拮抗细菌Pseudomonas extremorientalis的鉴定、发酵条件优化及防效评价
梨 灰葡萄孢 Pseudomonas extremorientalis 鉴定 发酵条件 防效
2019/12/30
灰霉病是梨贮藏期的主要病害,发病率高,为害严重。为了有效控制该病害发生,利用平皿稀释法从梨根际土壤中分离内生细菌,并采用琼脂平板扩散法进行抑菌活性初筛,筛选出1株拮抗细菌L21,基于形态特征、生理生化特性及16S rRNA和gyrB序列分析,鉴定为Pseudomonas extremorientalis。采用生长速率法测定菌株L21的无菌发酵液对12种病原真菌均有抑制作用,采用Salkowski比...
Differential Phenolic Accumulation in Two Hypericum Species in Response to Inoculation with Diploceras hypericinum and Pseudomonas putida
fungal pathogen Hypericum perforatum Hypericum triquetrifolium
2015/3/11
The genus Hypericum L. (St. John’s-wort, Hypericaceae) has received scientific interest in recent years, because it is a
source of a variety of bioactive compounds including the phenolics. We determ...
Interactive Effect of AM Fungi with Trichoderma viride and Pseudomonas fluorescens on Growth and Yield of Broccoli
Acaulospora laevis Brassica oleracea L. var. italica
2015/3/10
Most of the vegetable crops are known to depend upon arbuscular mycorrhizal fungal (AM) symbiosis for growth
and development, since AM fungi provide nutrients and water in exchange for photosynthate...
Characterising the Genetic Diversity of Pseudomonas syringae pv. syringae Isolated from Rice and Wheat in Iran
bacterial pathogen population genetic structure host preference RAPD
2015/3/9
Sheath rot of rice and leaf blight of wheat caused by Pseudomonas syringae pv. syringae are the important bacterial pathogens of rice and wheat in Iran. The randomly amplified polymorphic DNA (RAPD) m...
Management of Bacterial Blight of Cotton Using a Mixture of Pseudomonas fluorescens and Bacillus subtilis
biological control Pseudomonas fluorescens Bacillus subtilis
2015/3/5
The potential of antagonistic rhizobacteria in the management of bacterial blight of cotton caused by Xanthomonas
axonopodis pv. malvacearum (Xam) was evaluated under greenhouse and field conditions...
Pseudomonas marginalis Associated with Soft Rot of Zantedeschia spp.
bacterial soft rot Zantedeschia spp. Pseudomonas marginalis
2015/3/2
The percentage of diseased plants of the total plants in the plot was around 10%.
When inoculated into potato tuber slices, strains of P. marginalis and P. c. subsp. carotovorum produced soft
rot....
First report of Pseudomonas savastanoi pv. nerii on oleander in the Czech Republic
bacterial knot of oleander Pseudomonas savastanoi pv. nerii Nerium oleander Czech Republic
2015/2/2
The bacterium Pseudomonas savastanoi pv. nerii was identified as the causal agent of parenchymatous galls on leaves of potted oleander plants grown at Brno, Moravia, in 2004. The plants had originated...
Inhibitory effect of Pseudomonas spp. on the development of Botrytis cinerea and Penicillium expansum
biocontrol blue mold gray mold microbial interaction mechanism of biocontrol
2015/1/30
The influence of antagonistic Pseudomonas spp. on the development of Botrytis cinerea and Penicillium expansum was studied in liquid cultures. Two strains of Pseudomonas spp. (B194 and B224), original...
First report of Pseudomonas syringae pv. alisalensis causing bacterial blight of arugula (Eruca vesicaria subsp. sativa) in Greece
Pseudomonas syringae Greece
2014/11/25
In March of 2007, leaf symptoms were observed on two commercial fields of arugula (Eruca vesicaria subsp. sativa) grown in Heraklion, Crete. Approximately 20% of plants were affected. Likewise, simila...
First report of bacterial canker of Actinidia deliciosa caused by Pseudomonas syringae pv. actinidiae in Portugal
Additional key words: kiwifruit, bacterial plant disease
2014/11/25
Bacterial canker caused by Pseudomonas syringae pv. actinidiae is one of the most harmful diseases affecting kiwifruit plants. It was first isolated and identified in Japan on kiwifruit plants(Actinid...
引起梨花枯和芽枯的Pseudomonas syringae pv.syringae 病原细菌鉴定
梨花枯 梨芽枯 Pseudomonas syringae pv. Syringae 证实
2009/12/3
【目的】明确在中国发生的梨花枯和芽枯的确切病原菌。【方法】用普通细菌学方法、电镜观察、Koch氏病原假说测定、Biolog、脂肪酸分析、PCR及与标准对照菌株的比较。【结果】从16个病样中分离获得12菌株,6株代表菌株显示出与Pseudomonas syringae pv. syringae 3株标准对照菌株相似的致病反应,它们的Biolog和脂肪酸分析的相似度分别为0.57~0.86 和0.58...
Yield and Root Morphology in Rice Plants Infected by Bacterial Grain Rot (Pseudomonas glumae Kurita and Tabei)
Stunted root Pseudomonas glumae Number of roots Root system Yield Yield components
2009/7/8
Pathogens and insects seem to attack unhealthy plants, and the trace of unhealthy growth may remain in the plant organs after attack. Grain yield of rice plants infected with bacterial grain rot (Pse...
Pseudomonas fluorescens 7-14 (Pf7-14)是一株对水稻纹枯病、稻瘟病和恶苗病有拮抗作用的细菌菌株。在温室条件下, 在水稻孕穗后期喷雾浓度为11010cfu/ml的菌株Pf7-14悬浮液,采用定期取样,用稀释平板法回收细菌,并通过图形测试和Shapiro-Wilk正态测试,测定了该菌株在水稻剑叶和茎基部的时间、空间定殖型。结果表明,菌株Pf7-14 在稻株上的定殖型随...
ENZYMATIC AND ANTAGONISTIC PROPERTIES OF FLUORESCENT Pseudomonas BACILLI ISOLATED FROM FLAX RHIZOPLANE
flax rhizoplane Pseudomonas antagonism pathogens fungi
2009/3/31
The degree of pectinolytic, celulolytic, amylolytic and proteolytic enzymes activity as well as the ability to set in motion insoluble phosphates by the fluorescent bacilli of the genus Pseudomonas we...