UC Small Grains Blog

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Fig. 1. Yellowing and tip burning of wheat from frost injury. (Photo courtesy of PCA.)

Frost Injury in Wheat

March 7, 2018
I have received a couple inquiries from Pest Control Advisors about wheat that is showing leaf tip yellowing and burning (Fig. 1). Their suspicion is frost injury, and with the weather we have experienced over the last several weeks, their suspicion is likely true.
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Figure 3. Wheat N uptake as a percentage of seasonal total expressed as a function of GDD.
UC Small Grains Blog: Article

Adapting in-season N rates for wheat during a dry year

February 20, 2018
By Mark E Lundy
After almost 6 weeks without a substantial rainstorm, there is finally some precipitation starting to appear in the 10-day forecast for the Sacramento Valley. The lack of rain thus far has made it difficult to proceed with N fertilizer topdress applications in non-irrigated wheat fields this season.
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