Pathogen dynamism and variability of rice yellow mottle virus in Kenya

Phytopathology Research

Table 1 Distribution of positive samples by DAS-ELISA in all sampled rice schemes

Scheme/area	No. of isolates	No. of strong positive + + +	No. of positive + +	No. of weak positive +	% No. of positive	No. of negative −	% No. of negative
Mwea	103	26	62	9	94.2	6	5.8
West Kano	27	5	20	2	100	0	0
Bunyala	27	0	21	5	96.3	1	3.7
Ahero	28	16	6	5	96.4	1	3.6
Lower Kuja	28	23	5	0	100	0	0
Taita taveta	26	1	4	12	65.4	9	34.6
Bura and Hola	41	0	0	5	12.2	36	87.7
Total	280	71	118	38	80.8	54	19.2

+ + + (Strong positive; ≥ 0.7 to 1.267), + + (Positive; ≥ 0.4 to < 0.6999), + (Weak positive 0.15 to ≤ 0.3999), − (Negative ≤ 0.1418)