Production Resources

Hybrid selection in sunflower can be difficult. Seed companies provide an abundance of information on specific traits, but all this information can be overwhelming during the selection process. This document can be used as a supplemental resource during hybrid selection,… Read More

Unstable weather in Manitoba springs often yields severe storms producing hail. There is a major benefit of spring hail over summer/fall hail events, which is the ability of a crop to recover and have very little yield impact. There is… Read More

Sunflower bud moth larvae have a cream-coloured body with a dark head capsule and are approximately one centimetre in length. Adult moths are greyish brown with two dark diagonal bands on each wing. Read More

The 2022 growing season had varied precipitation accumulation across the province, not only due to heavy spring flooding but throughout the season. In late October, the Available Water Holding Capacity was measured from 0 – 120 cm depth in over… Read More

Herbicide resistance develops as a result of repeated use of a single mode of action herbicide on the same weed population in the same field. Selection for resistant weed populations occurs when a small number of individuals in that population… Read More

Ensuring the fertility needs of the crop are met is critical to maximize yield and profit. Fertilizer applications should be made based on a soil test, to prevent improper application causing crop damage and, or yield loss. Read More

Sunflowers grown for oil have black hulls, and have three groupings based on their oil profile: traditional, mid-oleic (NuSun), and high oleic (HO). Sunflowers grow best on loamy, silty loam and clay soils with good drainage, but have a lower… Read More

This factsheet represents herbicides registered on sunflowers and available as of January 1, 2022. This list can change quickly, and it is recommended to always refer to the Guide to Field Crop Protection and herbicide labels before in-field applications. Read More

This guide was funded in part by the Canada and Manitoba governments through Growing Forward, a federal-provincial-territorial initiative. Read More