Aflatoxigenic Fungi and Aflatoxins in Portuguese Almonds

Table 3

Number of isolates and percentage of AF producers of each morphotype, grouped by origin, stage of production, and type of processing.

	By morphotype									Total
	A. flavus			A. parasiticus			A. tamarii
	Number	AF^+	AF^+percent	Number	AF^+	AF^+percent	Number	AF^+	AF^+percent	Number	AF^+	AF^+percent	AF^+/nut
Origin
Moncorvo	77	20	26.0	93	93	100.0	17	0	0.0	187	113	60.4	0.27
Faro	51	16	31.4	102	102	100.0	11	0	0.0	165	118	71.5	1.31
Stage of production
Field	3	3	100.0	13	13	100.0	1	0	0.0	17	16	94.1	0.09
Storage	4	1	25.0	16	16	100.0	0	—	—	20	17	85.0	0.14
Processor	121	32	26.4	166	166	100.0	28	0	0.0	315	198	62.9	0.90
Type of processing
In-shell	32	6	18.8	82	82	100.0	4	0	0.0	118	88	74.6	0.49
Shelled	2	0	0.0	8	8	100.0	1	0	0.0	11	8	72.7	0.04
Shell	16	6	37.5	22	22	100.0	7	0	0.0	45	28	62.2	2.90
Kernel	77	24	31.2	82	82	100.0	16	0	0.0	175	106	60.6	0.96
Nutmeat	0	—	—	0	—		0	—	—	0	—	—	0.00
Seed coat	1	0	0.0	1	1	100.0	1	0	0.0	3	1	33.3	0.05
Total	128	36	28.1	195	195	100.0	29	0	0.0	352	231	65.6	0.45