Pest Test Issue 65: October & November 2019

Read through our special article sponsored by Syngenta: ‘Understanding & Tackling Resistance’ (pages 13-15) and answer these questions:

When you have ticked all your answers press the Submit button. If you are correct you will be asked to provide your details so that we can enter your results into the PROMPT records held by BASIS.
1: What does VKOR stand for?
Vitamin K epoxide reductose Vitamin K organ resistance
Vitamin K oxide reductose Vitamin K ordinary resistance
2: Which gene is responsible for rodenticide resistance?
L128S VKORC1
Y139C L120Q
3: When was resistance to bromadiolone and difenacoum first discovered?
1970s 1990s
1980s 2000s
4: Which of the following is the most resistant?
A heterozygous animal An animal with two copies of normal code
A homozygous animal All are equally resistant
5: Which of the following actives is effective against all strains of resistant rats and mice?
Brodifacoum Bromadiolone
Difenacoum Warfarin
6: What has research at Reading discovered about Y139C mice?
Highly resistant to flocoumafen Highly resistance to bromadiolone
Highly resistant to difenacoum Highly resistant to difethialone



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