TABLE 3.

Infection time course for inoculation of intact leaves: effect of infection period on severity of lesions caused by wild-type C4 and the C5Δcga1 mutant^a

Time after infection and leaf	Avg lesion area ± SE (mm2)
	C4	C5ΔCga1
2 days
1	21 ± 2.0	0.9 ± 0.4
2	12 ± 2.1	0.6 ± 0.3
4 days
1	28 ± 2.3	9.5 ± 3.4
2	18 ± 1.6	2.4 ± 0.6
6 days
1	99 ± 11	82 ± 17
2	99 ± 19	45 ± 8.3

^aConidial suspensions of C4 or C5Δcga1 were used to infect maize seedlings at age 7 days; the seedlings were incubated for the indicated times at 25°C. Values represent average results for at least 10 leaves for each time point. 1, first leaf; 2, 2nd leaf.