Repellent experiment
The repellent and anti-oviposition effects of plant products
were determined using a spraying test bioassay in greenhouse
condition. The experiment was carried out from 11
January to 24 February 2011 in the Experimental Agriculture
Research and Natural Resource Center of Kerman, Kerman,
Iran. The cucumber plants ‘Negin’ with five fully expanded
leaves were used as host plant and oviposition substrate of
the greenhouse whitefly. The plants were treated with extract
at 40 µL/mL and control plants were sprayed with distilled
water. The essential oils of plant derived above mentioned at