Determining the Risk Window for Aster Yellows in Carrot: New ...
Determining the Risk Window for Aster Yellows in Carrot: New ...
Determining the Risk Window for Aster Yellows in Carrot: New ...
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Concurrence of AY risk “w<strong>in</strong>dows”<br />
Open Close # Days<br />
Susceptible carrot May 25 Sept. 1 100<br />
<strong>Aster</strong> Leafhopper June 7 August 1 55<br />
ALH <strong>in</strong>fectivity May 18 July 15 58<br />
Overlap June 7 July 15 40<br />
<strong>Aster</strong> yellows <strong>in</strong>dex<br />
Resitant <strong>Carrot</strong><br />
(High <strong>in</strong>fectivity)<br />
Susceptible <strong>Carrot</strong><br />
(High <strong>in</strong>fectivity)<br />
June 18 July 8 20<br />
June 7 August 7 61<br />
Can we reduce <strong>the</strong> number of applications by target<strong>in</strong>g times of<br />
higher AY risk<br />
Can <strong>the</strong> higher cost of novel, reduced risk, and less broad spectrum<br />
<strong>in</strong>secticides be offset by us<strong>in</strong>g fewer applications
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