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

Table 6

Screening of rice varieties with R. solani 1801/UPM.

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

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.