How often a third hull split application might be made is an unknown. But after heavy NOW damage in places last year, at least some third sprays seem likely.
Things point toward a second spray on many blocks.
Hull split sprays have started in more areas over the last week and the pace will pick up as we move into the first week of July.
More of our contacts have used terms like “aggressive” to describe the approach they and their growers will take in terms of their upcoming NOW campaign. That means multiple sprays — […]
JUNE If walnut husk fly traps are not set out by now, you’re late! Yellow sticky traps with an ammonium carbonate lure work best and should be checked 2-3 times […]
The very earliest hull split sprays in the lower San Joaquin Valley are about a week away. Also, see expanded brown marmorated overview from Jhalendra Rijal, Area IPM Advisor.
Bug issues seem to be more of a factor this season. NOW moth and egg counts still point to bigger populations towards hull split.
The brown marmorated stink bug may have caused drop in places over the last month. It’s been established back east for a couple of decades but is a new player […]
The 2018 Lake County Spring Walnut Field Meeting is set for Thursday, May 31, from 8:30 a.m. to noon. The event is sponsored by U.C. Cooperative Extension. Those with mobility […]
A prolonged bloom and spread-out nut fill could mean more spraying at hull split to protect the crop over an extended period.