29 Sep

Summer Issue No. 68, 2016

Nitrogen Application Can Help Peas with Pea Leaf Weevil Damage

By Shannon Chant MSc PAg Regional Crops Specialist for Ministry of Agriculture (Swift Current)

In the past number of years my colleagues and I have spent a couple weeks in late May to early June surveying for pea leaf weevil damage in the western and southern parts of Saskatchewan. When we were out surveying this year we noticed that there was a lot more damage than usual and the insects were unusually easy to find in some fields. Pea leaf weevils are nocturnal and will fall off the plant and play dead if they detect people nearby so they are normally difficult to find when out surveying. During surveying, staff counts the number of notches on the plant and if there is damage to the clam leaf on 50 plants per field.

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