Molecular Characterization and Screening for Sheath Blight Resistance Using Malaysian Isolates of Rhizoctonia solani

Table 7

Screening of rice varieties with R. solani 1802/KB.

Paddy variety	Country of; origin	Resistance****	Disease extent*	Scale scoring**	Type***
MR219	Malaysia	RB	4	6	S
IR8	Philippines	BB	4	5	MS
UKMRC2	Malaysia		4	6	S
IR20	Philippines	BB/RT/RB	5	9	HS
UKMRC9	Malaysia	RB	3	5	MS
TETEP	Vietnamese	ShB/RB	3	4	MR
Teqing	China	ShB/RB	2	4	MR
IR24	Philippines	RS/RB	4	7	S
IR36	Philippines	RT/BLB/RB	4	7	S
IR64	Philippines	RB	3	6	S
Jasmine85	Philippines	ShB	3	4	MR
C4-113	Philippines		5	6	S
ADT 39	India	RB/BLB	3	5	MS
IR50	Philippines	RS	4	7	S
ADT 38	India	RB/RT	4	7	S
IR39-14	Philippines		3	6	S
ADT 36	India	RB	3	5	MS
MAHSURI	Malaysia		3	5	MS
TOX 2104-2-1	Nigeria		3	5	MS

Scored on a scale of 1–5.
**Scored on scale of 1–9 under the Standard System Evaluation for Rice.
***HS: highly susceptible; S: susceptible; MS: moderately susceptible; MR: moderately resistant; R: resistant; HR: highly resistant.
****RB: rice blast; BB: bacterial blight; RT: rice tungro; ShB: sheath blight; BLB: bacterial leaf blight and RS: rice stripe.