COMPARING INOCULATION METHODS TO EVALUATE THE GROWTH OF Xanthomonas axonopodis pv. manihotis ON CASSAVA PLANTS

Muñoz-Bodnar, Alejandra; Gómez, Leidy Mariel Cruz; Bernal, Adriana; Szurek, Boris; Carrascal, Camilo Ernesto López

doi:10.15446/abc.v20n2.43130

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“…Leaf inoculation may be questionable for resistance phenotyping because discrepancies were observed between leaf lesion measurements and scoring on stem inoculation (Muñoz‐Bodnar et al, 2015 ; Restrepo et al, 2000a ). However, others have successfully detected symptom differences when infiltrating leaves of susceptible and resistant cultivars at low densities (from 10 2 to 10 5 cfu/ml; Flood et al, 1995 ; Wydra et al, 2004 , 2007 ).…”

Section: Disease Phenotyping Tools Under Controlled Conditionsmentioning

confidence: 99%

Cassava diseases caused byXanthomonas phaseolipv.manihotisandXanthomonas cassavae

Zárate-Chaves¹,

Cruz

López

et al. 2021

Molecular Plant Pathology

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Cassava is an important staple crop as a source of food and income for hundreds of millions of people in tropical countries. This major crop is threatened by several pests and pathogens that significantly affect productivity. Among bacterial pathogens, the vascular and systemic Xanthomonas phaseoli pv. manihotis (Xpm) has received considerable attention due to its devastating potential in the tropics and scientific importance worldwide (Mansfield et al., 2012). This pathogen profile describes the main hallmarks of this pathosystem and updates several reviews and original articles on the subject.Although more bacterial pathogens infect cassava, information in the literature is scarce. In this regard, we also present a compilation of information for a second xanthomonad infecting cassava, the nonvascular pathogen X. cassavae. | D IS E A S E DE SCRIP TI ON AND EPIDEMI OLOGY | Cassava bacterial blight symptomsCassava bacterial blight (CBB), which is caused by the bacterial pathogen Xpm, is characterized by a range of symptoms that

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