Table 1.

Rice varieties and their corresponding labels and sample numbers.

Rice variety	Zhongzheyou1	Jiuyou418	Zhongzao39	Xiushui134
Encoding	01a	02	03	04
Total numbers	189	204	228	234
The training set	158	171	191	196
The validation set	16	17	19	19
The test set	15	16	18	19
CKb	45	51	60	54
RLBc	42	54	51	75
RBd	42	42	51	45
RSBe	60	57	66	60

^a01 represents the rice variety Zhongzheyou1; 02 represents the rice variety Jiuyou418; 03 represents the rice variety Zhongzao39; 04 represents the rice variety Xiushui134.

^bCK represents total healthy samples.

^cRLB represents total samples inoculated by rice leaf blight.

^dRB represents total samples inoculated by rice blast.

^eRSB represents total samples inoculated by rice sheath blast.