presentatie 07-12-2012 - De NVG
presentatie 07-12-2012 - De NVG
presentatie 07-12-2012 - De NVG
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Relative<br />
chlorophyll<br />
levels<br />
14<br />
<strong>12</strong><br />
10<br />
8<br />
6<br />
4<br />
2<br />
0<br />
Schade door Wortel-knobbel-aal Schade door Wortel-knobbel-aal<br />
Healthy Turf<br />
Yellow patches<br />
Schade veroorzaakt door cyste nematoden: Heterodera soorten.<br />
Root Length (cm)<br />
<strong>12</strong>0<br />
100<br />
80<br />
60<br />
40<br />
20<br />
Cyst nematodes (Heterodera)<br />
Effect van cyste nematoden op de wortellengte<br />
Effect of Cyst Nematodes on Root Length<br />
0<br />
0 50 100 150 200 250 300 350<br />
No of Cysts<br />
<strong>12</strong>-<strong>12</strong>-20<strong>12</strong><br />
4
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