leaf crumple virus (CuLCrV; Geminiviridae, Begomovirus ) in the fall ( Guzman et al., 2000 ) and Podosphaera xanthii (Castagne) Braun & Shishkoff, a causal agent of melon powdery mildew ( McCreight, 2006 ) in the spring and fall. Observation of
) resistance and tolerance for powdery mildew [ Podosphaera xanthii (Castag.) U. Braun and N. Shish. (formerly known as Sphaerotheca fuliginea ) or Golovinomyces cichoracearum (D.C.) Huleta (formerly known as Erysiphe cichoracearum )] and downy mildew
( Branham et al. 2018 ). Resistance to race 1.2 is quantitative ( Nakazumi and Hirai 2004 ; Perchepied et al. 2005 ). Powdery mildew of melon, caused by Podosphaera xanthii (formerly Sphaerotheca fuliginea Schlech ex Fr. Poll.) and Golovinomyces
, Podosphaera xanthii races 1, 2, 2U.S., 3, 3.5, 4.5, 5, and S ( McCreight, 2003 ; McCreight and Coffey, 2011 ; Pitrat and Besombes, 2008 ; Shishkoff, 2000 ), Cucurbit leaf crumple virus (CuLCrV) ( McCreight et al., 2008 ), as well as other insect pests
Podosphaera xanthii (syn. Sphaerotheca fuliginea ), the causal agent of powdery mildew in cucurbits: Factors affecting race identification and the importance for research and commerce Phytoparasitica 32 174 183 Crop profile for pumpkins in
graminis Trans. Br. Mycol. Soc. 46 225 234 McCreight, J.D. 2006 Melon-powdery mildew interactions reveal variation in melon cultigens and Podosphaera xanthii races 1 and 2 J. Amer. Soc. Hort. Sci. 131 59 65
. Screening and continuous selection of individuals originating from cucurbit accessions can lead to breeding lines homogeneous for particular trait(s). This approach was used to develop the melon race one powdery mildew [ Podosphaera xanthii (syn
. 2015 ( Table 1 ) and percent foliar disease was then recorded weekly. Other minor foliar diseases, including angular leaf spot ( Pseudomonas syringae pv. lachrymans ), alternaria leaf blight ( Alternaria cucumerina ), and powdery mildew ( Podosphaera
Elmstrom, 1984 ). F 2 progeny plants were evaluated for resistance to powdery ( Podosphaera xanthii ) and downy ( Pseudoperonospora cubensis ) mildews, and fruit quality during the fall season of 1999 at Weslaco, TX. A single plant selection was made with
( Monosporascus cannonballus ) and has a vigorous root system ( Marquez et al. 2022 ). In 2005, F 2 and F 3 progeny plants were evaluated for resistance to PM ( Podosphaera xanthii ) and vine decline and for fruit quality during the spring and fall seasons at