The Venturia Apple Pathosystem: Pathogenicity Mechanisms and Plant Defense Responses

Table 4

Genes shown to impart scab resistance in apple.

Gene	Gene source	Apple cultivar (s) used in study	Inference	Reference
Chitinase
ech42 (Endo)	Trichoderma atroviride	McIntosh,	Transgenic plants are resistant to mix of Races 1-5	[50, 51]
nag70 (Exo)	Trichoderma atroviride	McIntosh	Transgenic plants are resistant to mix of Races 1-5	[50, 51]
ech42 (Endo) & nag70 (Exo)	Trichoderma atroviride	McIntosh	Exhibit Synergism in imparting scab resistance against mix of Races 1-5	[51]
		Galaxy, Araine	Transgenic plants are resistant to Race 1 and 6	[52]
Puriondoline B (PinB)	Wheat	Galaxy, Ariane	Transgenic plants are resistant to Race 6	[53]
MpNPR1-1	Apple	Galaxy	Transgenic plants are resistant to mix of Races 1-5	[56]
LRPKm1	Apple	Florina, Golden Delicious	Upregulated by SA treatment and during Venturia infections	[75]