. "Reakce Cucumis melo genotypy MR-1 a PI 124112 na 20 isol\u00E1t\u016F padl\u00ED pathogeny(Erysiphe cichoracearum, Sphaerotheca fuliginea), poch\u00E1zej\u00EDc\u00ED z Cucurbita spp., byly hodnoceny na listov\u00FDch ter\u010D\u00EDc\u00EDch. Patotyp a rasa byla ur\u010Dena programen v \u010Cesk\u00E9 republice. Isol\u00E1t S. fuliginea omezen\u011B produkoval mycelium MR-1. Isol\u00E1t E. cichoracearumbyl infikov\u00E1n na MR-1, zat\u00EDmco po napaden\u00ED Mr-1 ostatn\u00EDmi \u0161esti isol\u00E1ty, vykazoval MR_1symptomy nekoplletn\u00ED resistence. V souboru 10 sm\u00ED\u0161en\u00FDch (E. cichoracearum+S. fuliginea)isol\u00E1t\u016F byl pouze jeden virulentn\u00ED na MR-1, a dal\u0161\u00ED na PI 124112. Tyto genotypy vykazovaly nekompletn\u00ED rezistenci po imokulaci osmi sm\u00ED\u0161en\u00FDmi isol\u00E1ty . Toto je prvn\u00ED experiment\u00E1ln\u00ED evidence odstup\u0148ovan\u00E9 reakce, tj. ne\u00FApln\u00E1 rezistence nebo citlivosti C. melo genotypy MR-1 a PI 124112 k padl\u00ED tykv\u00ED isolovan\u00E9ho na skute\u010Dn\u00E9m listov\u00E9m stavu. Projev rezistence nebo nekompletn\u00ED resistence vykazuje C. melo Iran H na E. cichoracearum a na dva sm\u00EDchan\u00E9 izol\u00E1ty. A\u017E nyn\u00ED je pova\u017Eov\u00E1n Iran H za univers\u00E1ln\u00EDho n\u00E1chiln\u00E9ho"@cs . . "Virulence \u010Desk\u00E9ho padl\u00ED tykve izolovan\u00E9ho na Cucumis melo genotypy MR-1 and PI 124112"@cs . . . . "RIV/00027006:_____/04:2607" . . . . . "Scientia Horticulturae (Amsterdam)" . "Virulence of Czech cucurbit powdery mildew isolates on Cucumis melo genotypes MR-1 and PI 124112" . . "RIV/00027006:_____/04:2607!RIV08-MSM-00027006" . . "NL - Nizozemsko" . "Virulence of Czech cucurbit powdery mildew isolates on Cucumis melo genotypes MR-1 and PI 124112"@en . "0304-4238" . . . "Lebeda, A." . "592491" . "9"^^ . "1"^^ . "3"^^ . . "Virulence of Czech cucurbit powdery mildew isolates on Cucumis melo genotypes MR-1 and PI 124112" . "Muskmelon, Resistance effectivity, Incomplete resistance, Pathotypes, Races, Aggressiveness, Erysiphe cichoracearum, Sphaerotheca fuliginea, Resistance breeding"@en . "[1CDC8DDB62D5]" . "Sedl\u00E1kov\u00E1, Bo\u017Eena" . "2004" . . "Z(MSM 153100010)" . . "The responses of Cucumis melo genotypes MR-1 and PI 124112 to 20 isolates of powdery mildew pathogens (Erysiphe cichoracearum, Sphaerotheca fuliginea) that originated from Cucurbita spp. were evaluated on leaf discs as part of a pathotype and race determination programme in the Czech Republic. One isolate of S. fuliginea produced limited mycelia on MR-1. One isolate of E. cichoracearum was virulent on MR-1, while six other isolates infected MR-1, which reacted showing symptoms of incomplete resistance. In the set of 10 mixed (E. cichoracearum+S. fuliginea) isolates only one was virulent on MR-1 and another one on PI 124112. These genotypes expressed incomplete resistance after inoculation with eight mixed isolates. This is the first experimental evidence of differential responses, i.e., incomplete resistance or susceptibility, by C. melo genotypes MR-1 and PI 124112 to cucurbit powdery mildew isolates at the true leaf stage. Expression of resistance or incomplete resistance responses of C. melo Iran" . "Virulence \u010Desk\u00E9ho padl\u00ED tykve izolovan\u00E9ho na Cucumis melo genotypy MR-1 and PI 124112"@cs . "99" . . . . "K\u0159\u00EDstkov\u00E1, Eva" . . "The responses of Cucumis melo genotypes MR-1 and PI 124112 to 20 isolates of powdery mildew pathogens (Erysiphe cichoracearum, Sphaerotheca fuliginea) that originated from Cucurbita spp. were evaluated on leaf discs as part of a pathotype and race determination programme in the Czech Republic. One isolate of S. fuliginea produced limited mycelia on MR-1. One isolate of E. cichoracearum was virulent on MR-1, while six other isolates infected MR-1, which reacted showing symptoms of incomplete resistance. In the set of 10 mixed (E. cichoracearum+S. fuliginea) isolates only one was virulent on MR-1 and another one on PI 124112. These genotypes expressed incomplete resistance after inoculation with eight mixed isolates. This is the first experimental evidence of differential responses, i.e., incomplete resistance or susceptibility, by C. melo genotypes MR-1 and PI 124112 to cucurbit powdery mildew isolates at the true leaf stage. Expression of resistance or incomplete resistance responses of C. melo Iran"@en . "257;265" . "Virulence of Czech cucurbit powdery mildew isolates on Cucumis melo genotypes MR-1 and PI 124112"@en . .