Pest Management

To spray or not to spray late season insects in pecan

Since pecans are so close to harvest, growers need to pay close attention to the pre-harvest intervals of insecticides. more »

In-season and postharvest management of navel orangeworm in walnut

Third and fourth flights put walnuts at higher risk, but varieties harvested later are at an increased risk since their almond neighbors have already been harvested. more »

August is the time for managing pecan weevil

By the time pecan weevil is discovered in the fall and winter, it's too late to control. Control starting in August and September can prevent problems later in the season. more »

Insecticide options for navel orangeworm IPM in almond – a recent trial summary

A few IPM practices are being accepted as standard, but how do the various insecticides stack up against each other in navel orangeworm control? more »

2022 update for managing mold in walnut

Due to increased reports of mold appearing in walnut, new research has been funded to investigate. more »

Nut curculio in pecan; Best to tolerate the damage if light

These weevil pests may appear in older orchards with a history of damage, but in fields with light damage, it may be best to tolerate it to prevent later aphid and mite infestations. more »

Barn owls for rodent control

A variety of raptors can help with rodent pests, but barn owls are unique. ... more »

Summer struggles for California almonds

Various factors led to increased pest pressure around California this year. ... more »