Blackleg management tips
…harbour the blackleg pathogen.” Blackleg photo gallery Blackleg lesions on young plants are more likely to cause significant yield loss than infection later in the season. Blackleg lesion on…
Read moreSearch Results for: blackleg
How to ID blackleg
…by hand. Blackleg disease rating: Blackleg disease rating: 1 Blackleg disease rating: 2 Blackleg disease rating: 3 Blackleg disease rating: 4 Blackleg disease rating: 5 (dead) Blackleg management options…
Read moreBlackleg: Scouting, identification and next steps
…Comparisons Blackleg Clubroot Sclerotinia stem rot Canola stem diseases – a comparison wdt_ID Plant Disease Sclerotinia Blackleg Blackleg Verticillium Stripe Grey Stem Fusarium Wilt Next steps. If blackleg levels are…
Read moreWhat’s new in blackleg management?
…fields. Blackleg. Credit: Gregory Sekulic Current labels for blackleg are based on field ratings of blackleg in comparison to a susceptible variety (Westar) for blackleg. Typically only Resistant “R” (0-29.9%…
Read moreBlackleg: Use fungicide only where blackleg is a known problem
…blackleg risk. The more of these risk factors that apply, the greater the risk: —Tight canola rotation —Using the same variety in the rotation —Yield loss to blackleg in previous…
Read moreEarly blackleg infection causes yield loss
…Blackleg lesions on young plants are more likely to cause significant yield loss than infection later in the season. Blackleg lesion on cotyledon. Blackleg lesion on early true leaf Blackleg…
Read moreBlackleg: Use fungicide only where blackleg is a problem
Blackleg lesion on a susceptible variety. The feeding damage is from flea beetles. Source: Anastasia Kubinec, MAFRD Blackleg lesions on larger leaf. Infection moves through the plant to the stem….
Read moreLast chance for blackleg control
…longer rotation – three years or more between canola crops – would further reduce the chances of blackleg infection and fungicide return on investment. Blackleg lesion on cotyledon. Blackleg lesion…
Read moreDo you need to change blackleg resistance for 2020?
Fields usually have a diverse population of blackleg races carried over on canola crop residue. A 2-year break between canola crops basically eliminates the economic threat from blackleg as most…
Read more
