Research Article

Weather Conditions Associated with the Release and Dispersal of Zymoseptoria tritici Spores in the Argentine Pampas Region

Table 9

Correlation matrix of the number of PRW, PV, and AV and weather variables in the second period (1999-2000).

Mean values of PRWMean values of PVMean values of AV

Mean of PRW1,000,05−0,05
Mean of PV0,051,00
Mean of AV−0,051,00
1Rain. 30,01−0,15−0,10
2Rain. 70,170,060,15
3Rain. 150,050,030,23
4T. Rain. 30−0,060,070,15
5T. Rain. 60−0,04−0,020,03
6RH% 30,020,16
7RH% 70,100,200,32
8RH% 150,12
9RH% 300,200,240,32
10RH% 600,290,050,04
11I.mm/h 30,09−0,29
12I.mm/h 7−0,12−0,13
13I.mm/h 150,27−0,050,03
14I.mm/h 300,280,09−0,09
15I.mm/h 60−0,06−0,22−0,30
16Rad. 30,13−0,15
17Rad. 70,15−0,32
18Rad. 150,12−0,27
19Rad. 300,04−0,28
20Rad. 60−0,080,03−0,20
21Temp. 3−0,15−0,26
22Temp. 7−0,19−0,21
23Temp. 15−0,17−0,12−0,31
24Temp. 30−0,16−0,04−0,26
25Temp. 60−0,25−0,03−0,15

are significant at . Rain: rainfall; Temp.: temperature; Rad.: radiation; I.mm/h: rain intensity in mm/h; RH% relative humidity in %; AV: ascospores in Vaseline; PV: pycnidiospores in Vaseline; PRW: pycnidiospores in rain water; numbers from 1 to 5 rainfall (mm) at 3, 7, 15, 30, and 60; numbers 6 to 10 relative humidity (%) at the same interval; numbers 11 to 15 rain intensity (I.mm/h.) at the same interval; numbers 16 to 20 radiation (W/m2) at the same interval; numbers 21 to 25 temperature (°C) at the same interval.