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Blowers are an option. Goddard said they can be<br />
used to blow the nuts into the next row where<br />
the mower can make a pass and destroy them.<br />
The 128 crop chop knives in the mower pass over<br />
the shear bars 33 times per second.<br />
value in good orchard sanitation, with<br />
processors offering bonuses for low<br />
damage percentages. Still, some growers<br />
choose to leave mummy nuts behind<br />
in their orchards. Others cannot do an<br />
effective job of sanitation due to orchard<br />
limitations including uneven floors,<br />
high berms and vegetation. Early harvest,<br />
timed pesticide applications and<br />
mating disruption are other practices<br />
that help with NOW control, but Nay<br />
said orchard sanitation remains a key<br />
part of the control strategy.<br />
Fall Timing for Sanitation<br />
Good orchard sanitation in the fall is<br />
proven to reduce the number of overwintering<br />
NOW, breaking the bridge<br />
between the final generation of the year<br />
and the first generation of the next year.<br />
That first generation invades early split<br />
nuts, setting the stage for higher numbers<br />
at harvest when the crop is vulnerable<br />
to damage.<br />
Fall timing for sanitation is best due<br />
to a peak in egg laying during hull<br />
degradation. The mummies may also<br />
Continued on Page 6<br />
October 2018<br />
www.wcngg.com<br />
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