MarketsFarm – Although it’s still early in the growing season, some insect pests have already posed a threat to crops in Saskatchewan or could do so in the near future, according to James Tansey, provincial specialist for insects/invertebrate pest management.
Among the pests he cited were grasshoppers, flea beetles and pea leaf weevils.
Tansey said the grasshopper hatch is well underway in Saskatchewan, but recent rains could change how much of a problem they become.
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“We’ve had some rain in the south of the province and we are still waiting to see what… that has done with these grasshopper nests. The moisture can contribute to disease in these animals and contribute to direct mortality,” he said, noting there have been some reports already of crop damage,
Tansey stressed the need for vigilance with farmers checking their crops and the surrounding areas for signs of grasshoppers and other pests. He said there has been estimates of 50 to 70 grasshopper nymphs per square meter in ditches, which normal rates tend to be around 40.
There have also been reports of striped and crucifer flea beetles in the province, especially in the central area.
“We are hearing about damage to seedling canola in the Saskatoon area,” Tansey said, also noting large numbers of striped flea beetles in the province’s northeast. That said, he cautioned there are still few reports to go on at this time and there was still something of a chance the problem might not be as bad as expected.
“There’s no replacement for getting out and seeing what’s happening,” he said.
Pea leaf weevils have been reported as well, though it’s still on the early side to fully know how much of a problem they could become this year.
“There was a pretty dramatic increase in the number of pea leaf weevil numbers in the northeast last year,” he said, noting monitoring just recently started for this year.
Some farmers recently began spraying for different insect pests in the province, he said, but added that when reports and numbers have firmed up, the province will make the insect situation well known to them.
— Glen Hallick reports for MarketsFarm from Winnipeg.
