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Bacterial wilt disease
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Continued part 1, part 2 of ebook "Plant pathology (Fifth edition)" provide readers with content about: specific plant diseases; environmental factors that cause plant diseases; plant diseases caused by fungi; plant diseases caused by prokaryotes - bacteria and mollicutes; plant diseases caused by parasitic higher plants, invasive climbing plants, and parasitic green algae; plant diseases caused by viruses;...
568p
hanlinhchi
11-11-2022
19
3
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A series of novel sulfide derivatives containing 1,3,4-oxadiazole and pyridine were synthesized, characterized, and tested for their antibacterial activity against tobacco bacterial wilt and rice bacterial blight and for insecticidal activity toward diamondback moth. The results showed that some compounds had good insecticidal and bactericidal activity, e.g.
11p
tudichquannguyet
29-11-2021
7
1
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Pectobacterium spp. are necrotrophic bacterial plant pathogens of the family Pectobacteriaceae, responsible for a wide spectrum of diseases of important crops and ornamental plants including soft rot, blackleg, and stem wilt. P. carotovorum is a genetically heterogeneous species consisting of three valid subspecies, P. carotovorum subsp. brasiliense (Pcb), P. carotovorum subsp. carotovorum (Pcc), and P. carotovorum subsp. odoriferum (Pco).
22p
viseulgi2711
31-08-2021
5
1
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Monochamus alternatus Hope is one of the insect vectors of pinewood nematode (Bursaphelenchus xylophilus), which causes the destructive pine wilt disease. The microorganisms within the ecosystem, comprising plants, their environment, and insect vectors, form complex networks.
13p
vijeeni2711
24-07-2021
4
0
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Ralstonia solanacearum is the causal agent of bacterial wilt, a devastating plant disease responsible for serious economic losses especially on potato, tomato, and other solanaceous plant species in temperate countries.
18p
vilichoo2711
23-06-2021
23
1
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The present investigation was undertaken to evaluate potential inhibitory effect of indigenous bacterial biocontrol agents against Fusarium oxysporum f. sp. cubense, a causal organism of wilt disease in Banana crop.
7p
trinhthamhodang11
27-04-2021
7
1
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These facts in mind, the present study focusing on bacterial wilt disease of potato was carried out at the Department of Plant Pathology, College of Agriculture, Dapoli.
7p
chauchaungayxua10
19-03-2021
16
2
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Fusarium wilt is a soil-borne disease, which negatively affects the lentil crop widespread in India and affecting the lentil crop productivity. So the present study was conducted to evaluate the efficacy of bioagents against wilt pathogen Fusarium oxysporum f.sp.lentis of lentil crop through antagonistic activity. Rhizospheric strains were isolated from wilt affected lentil plant in different regions of Eastern UP like Faizabad, Mau, Varanasi, Ghazipur. A total of 20 bacterial strains were isolated and tested for antagonistic activity by co-culture m
11p
chauchaungayxua10
19-03-2021
16
2
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The present study was conducted at College of Horticulture, University of Horticultural Sciences Campus, GKVK, Bengaluru during 20014-15. The experimental material comprised of bacterial wilt resistant variety, Anaga and susceptible variety, Vaibhav.
5p
cothumenhmong9
18-01-2021
12
2
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Seed-borne diseases are a major problem in Kenya since many farmers have no access to certified seeds. The objective of the study was to study the influence of potato seed production systems on potato seed borne diseases. A survey was carried out in five major potato growing counties in various agro-ecological zones (AEZs).
9p
gaocaolon9
22-12-2020
10
2
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There exists a lot of controversy regarding the prevalence of strains in the various parts of the world. In India, however, scant information is available about the prevalence of biovars/races and strains in various parts of the country. Understanding local pathogen genetic diversity is the first step in a successful breeding and integrated disease management programme. One of the purposes of the present investigation on six isolates of R.
18p
dayhoctainha
10-09-2020
17
1
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Bacterial wilt caused by the soil-borne bacterium R. solanacearum race 4 is a lethal disease of several vegetables and spices in the family Solanaceae and Zingiberaceae respectively. In order to understand the phenotypic response of six A. thaliana ecotypes [Landsberg Erecta (Ler) Columbia-0 (Col-0), ABH1, Hc160, Sc1 and SIC] to R. solanacearum isolate, CaRs-Mep, different dilution of bacterial suspension were inoculated on roots of plants.
5p
trinhthamhodang7
31-08-2020
8
2
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Bacterial wilt caused by Ralstonia solanacearum, a genetically diverse soil-borne pathogen with a wide host range, is a devastating plant vascular disease (Hayward, 1991). No effective chemical product is available for Ralstonia-induced wilt. Alternative methods such as biological control agents (BCAs) have shown effectiveness.
7p
kethamoi7
26-08-2020
8
1
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Bacterial wilt caused by Ralstonia solanacearum (E. F. Smith) is one of the devastating disease with global distribution affecting brinjal. The disease affects solanaceous vegetables in most states of India. Investigation on survey and collection of bacterial wilt (Ralstonia solanacearum) isolates from different agro climatic zones of Karnataka was undertaken. The roving survey was conducted during 2015-16 for assessing the bacterial wilt incidence in different agro climatic zones of Karnataka (India) viz.
4p
kethamoi7
26-08-2020
11
1
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The major diseases affecting chilli productions are Anthracnose, Phytopthora, Leaf blight, Fusarium wilt, bacterial wilt, damping-off and root rot etc. Among these, Fusarium wilt caused by the Fusarium oxysporum has emerged as a serious problem in recent year. In this investigation, to study the mycorrhizal population dynamics and wilt intensity in chilli growing areas of state, the survey was undertaken during crop season 2017-18 in Hisar, Fatehabad and Mohindergarh districts.
8p
caygaocaolon6
30-07-2020
9
2
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This crop (chickpea) is subjected to attack by a number of fungal, viral, bacterial and nematode diseases. Inadequate information is available on the Fusarium wilt of gram as regards to seed-borne nature. In present studies total ten varieties seed, in which five susceptible viz., Radhey, JG-62, Pusa-372, Pusa-329 and ICP-1454 and five resistant viz., Avarodhi, KWR-108, KGD-1168, JG-315 and JG-130 (resistant to disease under field condition) were taken.
9p
angicungduoc6
22-07-2020
9
1
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The evaluation study was conducted for different potato varieties and local genotypes collected from different parts of Chhattisgarh and screened against bacterial wilt and viral diseases complex. The locally collected genotypes have been further categorized on the basis of their distinct growth, yield, quality and disease and insect pest reactions behaviour. The study was carried-out at Department of Vegetable Science, IGKV, Raipur, Chhattisgarh in consecutive years i.e. 2013-14 to 2018-19.
5p
angicungduoc6
22-07-2020
14
1
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Quantitative trait locus (QTL) mapping is a highly effective approach for studying genetically complex forms of plant disease resistance. With QTL mapping, the roles of specific resistance loci can be described, race-specificity of partial resistance genes can be assessed and interactions between resistance genes, plant development and the environment can be analysed (Young, 1996). DNA markers tightly linked to quantitative resistance loci (QRLs) controlling QDR can be used for marker-assisted selection (MAS) to incorporate these valuable traits.
18p
angicungduoc6
20-07-2020
8
1
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Fusarium oxysporum f. sp. ciceri is one of the most destructive pathogen, causing wilt disease in chickpea and thereby inflicting accountable quantitative (48.29%) as well as qualitative losses. All the six fungal and two bacterial bioagents tested in vitro, exhibited significant mycelial growth inhibition of Fusarium oxysporum f. sp. ciceri. However, Trichoderma viride recorded significantly highest mycelial growth inhibition (75.55%), followed by Trichoderma harzianum (73.77%) Trichoderma koningii (71.88%) and Pseudomonas fluorescens (43.77%).
5p
nguaconbaynhay6
23-06-2020
11
1
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Biological control is known to be effective eco-friendly method for the management of crop diseases (Cook and Baker, 1983). Rhizosphere antagonists were isolated from healthy rhizosphere soil samples of chilli collected from major chilli growing areas of Andhra Pradesh. A total of 20 rhizosphere microbes were isolated. Out of which (eight fungal antagonists, ten bacterial antagonists and two fluorescent Pseudomonads) were found to exhibit antagonism against chilli wilt pathogen. On further in vitro evaluation, nine isolates including four fungi, four bacteria and one pseudomonas sp.
6p
quenchua6
15-06-2020
9
2
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