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Walnut husk flies attack on:
In general, walnut husk fly infestation in the orchard tend to be:
Are there commercial traps/lures available for walnut husk fly monitoring?
Current insecticide control is effective at what stage of the husk fly?
Which of these herbicide active ingredients is primarily used as a preemergence material?
When aggregated by site-of-action, the ACCase inhibiting grass herbicides are the most widely used group in walnut.
Multiple resistance in weeds is usually due to more than one mechanism of resistance rather than one mechanism conferring resistance to two chemistries.
Experimental evidence suggests that more than two applications of glyphosate in an orchard crop is likely to lead to micronutrient deficiencies.
What are the most common fungi causing walnut mold?
Which type of walnut fruit will have high mold?
Sprays with fungicides in early hull split are effective in reducing mold.
What diseases do sprays with fungicides in mid-May, mid-June, and mid-July reduce?
What nematode species is currently considered the most damaging parasite on walnut?
All nematodes are bad soil organisms that cause losses to agricultural production. Is this statement true?
What should be considered when choosing a rootstock?
Why is it important to take a soil sample for nematode detection and ID before starting future orchard ground preparation?
The greatest spore release of Diaporthaceae and Botryosphaeriaceae spp. occurr:
Walnut pruning wounds are susceptible to Bot/Phomopsis infection for about:
Which of the following are contributing factors to the Bot/Phomopsis disease:
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