A survey of extent of infection and contamination of cotton-seed market and commercial gin samples by Xanthomonas malvacearum (E.F. Smith) Dowson in the Northern States of Nigeria

Poswal, M. A. T.; Erinle, I. D.

doi:10.1016/0261-2194(83)90068-6

Cited by 6 publications

(2 citation statements)

References 3 publications

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“…However, the production potential of this valuable cash crop has been constrained by the prevalence of a number of fungal, bacterial and nematodes diseases which affect yield and fibre quality [4] [5]. The incidences and severities of these diseases are restricted by ecological and climatic differences in the crop environment [5]- [7]. Among the diseases which affect cotton, bacterial blight incited by Xanthomonas axonopodis pv.…”

Section: Introductionmentioning

confidence: 99%

Effect of Some Environmental Factors on Incidence and Severity of Angular Leaf Spot of Cotton in Yola and Mubi, Adamawa State, Nigeria

Tuti¹,

Nahunnaro²,

Kunihya³

2015

WJET

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Environmental factors such as relative humidity and rainfall generally have been found to increase the incidence, rate of spread and severity of diseases thereby reducing yield of crops. Study was conducted on five cotton varieties, which were artificially inoculated with bacterial blight pathogen to determine the effects of rainfall and relative humidity on incidence and severity of angular leaf spot (ALS) and yield of seed cotton in Yola and Mubi. Results showed that the severity of ALS was higher in Yola (58.65%) at 13 WAS assumed to be due to higher relative humidity range of 76% -87% and low rainfall of 2 -40.6 mm. This is assumed to have favoured disease development as against that of Mubi location which recorded lower severity (51.11%) due to lower relative humidity (42% -55%) and rainfall (37 -73 mm). Results further revealed that at 13 WAS, SAMCOT-8 had low incidence (66%) and severity (39%) in Yola. This was against the much higher corresponding incidence and severity of 82% and 42% respectively that was observed in Mubi during the same period. SAMCOT-10 and SAMCOT-9 varieties were found to be highly susceptible to the disease at the same period. SAMCOT-8 recorded the highest yield of 390.00 kg•ha −1 in Yola and 868.09 kg•ha −1 in Mubi while the lowest yields of 227.17 kg•ha −1 was observed on SAMCOT-10 in Yola while 461.61 kg•ha −1 was obtained on SAMCOT-9 in Mubi. The variation in yield among these varieties might be due to the differences in their reactions to the disease. There is a need to conduct further trials in these locations to confirm the level of resistance or other aspects of these varieties to the disease.

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Section: Introductionmentioning

confidence: 99%

Effect of Some Environmental Factors on Incidence and Severity of Angular Leaf Spot of Cotton in Yola and Mubi, Adamawa State, Nigeria

Tuti¹,

Nahunnaro²,

Kunihya³

2015

WJET

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“…In Nigeria, the disease is reported in the northern part of the country where environmental conditions are favorable for cotton cultivation (Poswal and Erinle, 1984;Nahunnaro et al, 2007;Ogunjobi et al, 2010 andAjene et al, 2014). At present, quick and effective management of plant diseases and microbial contamination in several agricultural commodities is generally achieved by the use of synthetic pesticides (Shragia, 1975;Agrios, 1997).…”

Section: Introductionmentioning

confidence: 99%

Survey on the Severity of Xanthomonas Axonopodis PV Malvacearum and its Management in Adamawa State, Nigeria

Tuti¹

2022

GJAR

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Prevalence survey on bacterial blight disease of cotton were carried out in some cotton growing locations in Adamawa State in 2018 to determine the severity of the disease in the study areas and the best combinations of cotton genotypes and plant extracts in the management of the disease. Results of the survey revealed the presence of the disease with variable percentage severities with Yola South recording the highest severity of 67.03%, followed by Guyuk (58.24%) while the least severity of 35.97% was recorded in Lamurde Local Government Area respectively. Results further showed that the combination of SAMCOT 8 cotton variety with Allium sativum as plant extract (50%) gave the best control of the disease during the study. This study has revealed the presence of the diseases in these locations with varying levels of severities. Further studies of the disease and other diseases in other locations needs to be carried out so as to determine the most effective management strategy.

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Survival of Xanthomonas Campestris Pv. Malvacearum and Performance of Seedlings from Commercially Ginned Cottonseed as Influenced by Length of Storage

Poswal

1987

Plant Pathogenic Bacteria

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A survey of extent of infection and contamination of cotton-seed market and commercial gin samples by Xanthomonas malvacearum (E.F. Smith) Dowson in the Northern States of Nigeria

Cited by 6 publications

References 3 publications

Effect of Some Environmental Factors on Incidence and Severity of Angular Leaf Spot of Cotton in Yola and Mubi, Adamawa State, Nigeria

Effect of Some Environmental Factors on Incidence and Severity of Angular Leaf Spot of Cotton in Yola and Mubi, Adamawa State, Nigeria

Survey on the Severity of Xanthomonas Axonopodis PV Malvacearum and its Management in Adamawa State, Nigeria

Survival of Xanthomonas Campestris Pv. Malvacearum and Performance of Seedlings from Commercially Ginned Cottonseed as Influenced by Length of Storage

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