Evaluation of Various Mango Varieties against the Infection Dynamics of Powdery Mildew (&amp;lt;i&amp;gt;Oidium mangiferae&amp;lt;/i&amp;gt; Bert.)

Naqvi, Syed Atif Hasan; Perveen, Rashida; Manzoor, Syed Amir; Umar, Hafiz Muhammad Imran; Iqbal, Muhammad; Liaquat, Fatima; Majid, Taha; Irshad, Ahsan

doi:10.4236/ajps.2014.515250

Cited by 3 publications

(6 citation statements)

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“…Nuestros resultados indicaron que todos los cultivares fueron susceptibles a E. quercicola y se agruparon en cuatro niveles de susceptibilidad como fue reportado por Naqvi et al (2014), quienes encontraron que de un total de 25 cultivares de mango, ninguno fue resistente, pero si exhibieron gradientes de tolerancia. En nuestro estudio, el cv.…”

Section: Magnaporthe Grisea Inoculado En Hojas De Arroz (Oryza Sativa)unclassified

“…Los cultivares más susceptibles fueron Mallika e Ivory, coincidiendo con lo observado por Palti et al (1974) y Nofal y Haggag (2006. Adicionalmente, la presente investigación consigna por primera vez el grado de susceptibilidad del follaje a E. quercicola en cultivares de mango nuevos para México (Nam Doc Mai, Rosigold, Ataúlfo four susceptibility levels as reported by Naqvi et al (2014), who tested 25 mango cultivars and found that although none of them was resistant, they exhibited levels of tolerance. In our study, cv.…”

Section: Magnaporthe Grisea Inoculado En Hojas De Arroz (Oryza Sativa)unclassified

“…It is important to note that the previously cited tolerance comparisons were based on natural epidemics (Galli et al, 2008(Galli et al, , 2009Naqvi et al, 2014), in which conditions to promote the maximum expression of the pathogen virulence and disease development were not controlled, so the level of severity may have been underestimated or overestimated. Nasir et al, (2014) Zafiro y Kesar) y con potencial de exportación.…”

Section: Magnaporthe Grisea Inoculado En Hojas De Arroz (Oryza Sativa)mentioning

confidence: 99%

“…were highly susceptible; Rosa and Haden moderately susceptible, and Sensation and Tommy Atkins, slightly susceptible to O. mangiferae in Hawaii, USA. Other similar studies to estimate powdery mildew tolerance were conducted by Palti et al (1974Palti et al ( ), (1976, Peterson (1984), Akhtar et al (1999), Galli et al (2008), Nofal and Haggag (2006) and Naqvi et al (2014). However, these methodological approaches have serious drawbacks, since the level of incidence and severity of powdery mildew in the field depends on factors such as seasonality, distribution and density of inoculum, availability of susceptible tissue and environmental conditions (Nasir et al, 2014) or inductive management conditions such as frequency and intensity of irrigation (Guillén et al, 2003).…”

mentioning

confidence: 99%

“…Otros estudios de este tipo para estimar la tolerancia a cenicilla fueron realizados por Palti et al (1974), Gupta (1976), Peterson (1984), Akhtar et al (1999), Galli et al (2008), Nofal y Haggag (2006) y Naqvi et al (2014). Sin embargo, estos enfoques metodológicos presentan inconvenientes severos, ya que la incidencia y severidad de cenicilla en campo dependerá de factores como la estacionalidad, distribución y densidad de inóculo, disponibilidad de tejido susceptible y de condiciones ambientales (Nasir et al, 2014) o de manejo inductivas como la frecuencia e intensidad de riego (Guillen et al, 2003).…”

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Respuesta de diez cultivares de mango amarillo al daño por cenicilla (Erysiphe quercicola) en México

Pérez-Rodríguez

Mora-Aguilera

Alba

et al. 2018

RMF

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Resumen. La cenicilla del mango (Erysiphe quercicola) causa pérdidas de producción de hasta 90%, por lo que es necesario estimar la tolerancia a este patógeno en el nuevo germoplasma introducido o generado recientemente para incrementar el potencial de exportación de México. El objetivo de este estudio fue determinar la respuesta al daño por cenicilla mediante una técnica de inoculación optimizada para inducir la enfermedad en hojas adheridas de Response of ten yellow mango cultivars to powdery mildew (Erysiphe quercicola) damage in MexicoRespuesta de diez cultivares de mango amarillo al daño por cenicilla (Erysiphe quercicola) en México

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Section: Magnaporthe Grisea Inoculado En Hojas De Arroz (Oryza Sativa)unclassified

Section: Magnaporthe Grisea Inoculado En Hojas De Arroz (Oryza Sativa)mentioning

confidence: 99%

mentioning

confidence: 99%

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Respuesta de diez cultivares de mango amarillo al daño por cenicilla (Erysiphe quercicola) en México

Pérez-Rodríguez

Mora-Aguilera

Alba

et al. 2018

RMF

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Inheritance of resistance to dieback disease in mango (Mangifera indica)

Coelho¹,

Santos²,

Batista³

2018

Aust J Crop Sci

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The fungi Lasiodiplodia theobromae and Neofusicoccum parvum are pathogens responsible for causing dieback disease in mangoes. Studies on the inheritance of resistance to these fungal diseases in mango are quite limited. The objective of the present study was to evaluate the inheritance of resistance to dieback disease in three pseudo-F 2 progenies to assist in mango breeding programs. Young branches containing young leaves were selected, and suspension of 10 3 conidia/mL of L. theobromae or N. parvum was sprayed separately. After inoculation, leaves were protected in a plastic wet chamber for 48 hours. The infection was estimated by taking the branches without symptoms/total number of inoculated branches. Plants without disease symptoms in more than 90% of the branches, in three different inoculation periods, were considered as resistant. Keitt, Haden, and Espada cultivars were resistant to both fungi, while 'Tommy Atkins' was susceptible to both pathogens. Monogenic resistance, conferred by recessive alleles, was observed for L. theobromae for the three crossings evaluated, despite the 13:3 segregation detected for 'Keitt' x 'Tommy Atkins'. For N. parvum, recessive resistance with 3:1 monogenic segregation was observed in the crossing 'Keitt' x 'Tommy Atkins', and 9:7 epistatic segregation was reported in the crossing 'Haden' x 'Tommy Atkins' and 'Espada x 'Tommy Atkins'. The mono or digenic inheritance observed in the present study indicates the possibility of selection in the F 2 generation and identification of plants with double resistance to L. theobromae and N. parvum in mango trees.

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Evaluation of Cultivars and Fungicides Role in Controlling Mango Powdery Mildew

El-Meslamany

Atia

Abdel-Kader

2020

Zagazig Journal of Agricultural Research

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Mango (Mangifera indica L.) is one of the highly demanded fruit in Egypt. Mango is susceptible to several diseases at all stages of its development. Among these diseases, is powdery mildew, which caused by the fungus Oidium mangiferae Berthet. It was first reported in Brazil 1914 by Berthet, and subsequently, was reported in several other countries. The losses caused by this pathogen vary from 5-20% depending on the weather conditions. Disease incidence percentage was increased from February (2-5%) until May in the different investigated districts of Sharqia and Ismailia Governorates but with higher values especially during March and April in Ismailia during 2016 and 2017 growing seasons. The highest value of mango powdery mildew disease was obtained during May where it ranged from 43% to 73% when the temperature averaged 26.8°C and relative humidity valued 43.04%. Lengara cultivar proved to be the least affected mango cultivar by the pathogen in season 2016. However, Balady cultivar was highly susceptible and the remained cultivars seemed to be moderately susceptible. All the fungicides screened were found significantly superior in inhibiting the pathogen, O. mangiferae with different degrees and decrease disease incidence and severity rather than non-treated mango trees during seasons 2016 and 2017. Evconel, Apache, Nasr Zool, Super talc, and Bingo significantly decreased disease incidence with equal effects compared to the control. However, fungicide Sopulo displayed the highest disease incidence.Powdery mildew infection was variable among mango cultivars (Naqvi et al., 2014). The use of moderate susceptible cultivars is the http:/www.journals.zu.edu.eg/journalDisplay.aspx?Journalld=1&queryType=Master

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Evaluation of Various Mango Varieties against the Infection Dynamics of Powdery Mildew (<i>Oidium mangiferae</i> Bert.)

Cited by 3 publications

References 6 publications

Respuesta de diez cultivares de mango amarillo al daño por cenicilla (Erysiphe quercicola) en México

Respuesta de diez cultivares de mango amarillo al daño por cenicilla (Erysiphe quercicola) en México

Inheritance of resistance to dieback disease in mango (Mangifera indica)

Evaluation of Cultivars and Fungicides Role in Controlling Mango Powdery Mildew

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