Introduction

706
Orthene
Company:
Arysta LifeScience Canada (PCP#14225)
Insecticide Group
1B
Refer to page 624
Formulation:
75% acephate as a water soluble powder.
• Container sizes - case of 12 x 1.5 kg
Insects Controlled and Registered Crops:
Crop
Potato
Application:
Insect
Green peach aphid, potato aphid, potato flea beetle, potato leafhopper, tarnished plant bug
Orthene
• Apply with conventional ground equipment only. DO NOT apply by air. Apply only when insects exceed economic
thresholds.
• Use higher rate only for heavy infestations.
How it Works:
Acephate is an organophosphate systemic insecticide that works through contact and as a stomach poison.
Effects of Weather:
DO NOT apply if rainfall is expected within 48 hours after application. Treatment areas should not be irrigated for at least
48 hours after application.
Restrictions:
• Storage: Store in cool, dry place, in the original container away from food or feed. Protect from excessive heat.
• Environment: Orthene has the potential to leach through soils to ground water. It is recommended that Orthene is not
used on coarse textured soils or in areas where the water table may be high.
• DO NOT feed foliage to livestock or allow animals to graze on treated areas. DO NOT make more than 4 applications
per season.
• Others: Orthene is not registered in the United States. Therefore, Orthene should not be used on any produce destined
for markets in the United States.
Precautions:
Orthene is toxic to birds and mammals.
Orthene is toxic to aquatic invertebrates. DO NOT apply where runoff or drift is likely to occur.
Orthene is highly toxic to bees exposed to direct treatment or residues on blooming crops or weeds. DO NOT apply this
product or allow it to drift to blooming crops or weeds if bees are foraging in the treatment area. Beekeepers should be
warned to protect bees from treated areas for one week after treatment.