AC Hazlet rye

Lore & Background

AC Hazlet rye was developed by Canadian breeder Dr. Grant Macleod of Agriculture and Agri-Food Canada. It is a medium-sized fall rye variety that showed very good resistance to both lodging and shattering in field evaluations. When compared to other winter and fall rye varieties produced in Canada, AC Hazlet rye had higher or similar yields and higher kernel weights over the varieties it was evaluated against. It also performed very well against winter damage and showed superior winter hardiness traits.

Reader's Guide

AC Hazlet rye represents a notable improvement in fall rye breeding for Canadian agriculture. Its development by Dr. Grant Macleod at Agriculture and Agri-Food Canada addressed key agronomic challenges: lodging, shattering, and winter damage. The variety's superior winter hardiness and higher kernel weights compared to older varieties made it a reliable choice for growers in cold climates. Fall rye itself is described as the hardiest and most disease-resistant crop among the wheat cereals, commonly grown where other cereals fail, and superior as a cover crop. AC Hazlet rye's seed production and distribution through SeCan, a not-for-profit cooperative, ensured its availability to Canadian farmers on a commodity scale. Its combination of yield, kernel weight, and stress tolerance contributed to its adoption in regions where other cereal crops struggle.

Did You Know?

• AC Hazlet rye was developed by Canadian breeder Dr. Grant Macleod of Agriculture and Agri-Food Canada.
• It showed very good resistance to both lodging and shattering in field evaluations.
• AC Hazlet rye had higher or similar yields and higher kernel weights compared to other winter and fall rye varieties it was evaluated against.
• Its seed crop is produced and distributed through SeCan, a not-for-profit Canadian commodity crop seed distribution cooperative.

Origins & Breeding Program

AC Hazlet rye emerged from the research labs of Agriculture and Agri-Food Canada, where Dr. Grant Macleod, a Canadian plant breeder, developed the variety as part of the country's ongoing effort to improve cereal crop genetics. Classified as a medium-sized fall rye, AC Hazlet was designed to meet the specific agronomic needs of Canadian growing regions, where winter conditions and short growing seasons place significant stress on cereal crops. The variety's development reflects the broader mission of federal agricultural research in Canada: to produce hardy, high-performing cultivars that can be reliably grown by farmers across the country. Rather than being a commercial product tied to a private seed company, AC Hazlet was conceived within a public research framework, ensuring that its genetic improvements would ultimately benefit the wider farming community. The choice to develop a fall-planted rye—rather than a spring variety—speaks to the strategic thinking behind the breeding program, targeting a crop that can establish before winter and provide early-season growth advantages over other cereals.

Field Performance & Agronomic Strengths

In head-to-head field evaluations against other winter and fall rye varieties grown in Canada, AC Hazlet consistently demonstrated a suite of strengths that set it apart from its peers. The variety exhibited very good resistance to both lodging—the collapse of stems under their own weight or weather stress—and shattering, the premature loss of kernels from the head. Yield comparisons showed that AC Hazlet matched or exceeded the output of the varieties it was tested alongside, while also producing notably higher kernel weights, a trait that directly affects grain quality and market value. Perhaps most impressively, the variety showed superior winter hardiness, performing very well against winter damage in a climate where many cereals struggle to survive the cold months. Beyond its performance relative to other ryes, AC Hazlet benefits from the inherent advantages of the rye species itself: it is the hardiest and most disease-resistant member of the wheat cereals, and it tolerates drought conditions better than either wheat or oats, though it reaches its full potential in a moist growing environment.

Seed Production & Distribution Through SeCan

The pathway from research plot to commercial field for AC Hazlet rye runs through SeCan, a not-for-profit Canadian cooperative dedicated to the distribution of commodity crop seed. Rather than operating as a for-profit seed company, SeCan functions as a farmer-owned cooperative, which shapes the economics and accessibility of the seed it distributes. The production model is straightforward: SeCan enters into contracts with various Canadian farmers, who then grow the AC Hazlet rye seed crop under the cooperative's specifications. Once harvested and quality-checked, the seed is distributed through SeCan's network to growers across the country. This cooperative structure means that the variety is cultivated and sold on a commodity scale within Canada, keeping the supply chain domestic and aligned with the interests of Canadian agriculture. The not-for-profit nature of SeCan also means that the primary driver is ensuring reliable, high-quality seed availability for farmers rather than maximizing shareholder returns, which can influence pricing and access for smaller operations.

Rye's Distinctive Role Among Cereals

AC Hazlet rye inherits a set of biological advantages that distinguish rye from other wheat cereals and make it a uniquely versatile crop in Canadian agriculture. Fall rye grows more quickly and matures earlier than its wheat-cereal counterparts, giving farmers a shorter window between planting and harvest. It is widely regarded as the hardiest and most disease-resistant crop within the wheat cereal family, and it is commonly planted in situations where other cereal crops would simply fail to establish or survive. Its drought tolerance exceeds that of both wheat and oats, making it a reliable option in drier seasons, though it performs at its best in a moist growing environment. When evaluated as a cover crop, rye outperforms other options across every characteristic typically associated with cover cropping—soil protection, erosion control, and biomass production. These traits collectively position AC Hazlet rye as a crop that thrives in challenging conditions, offering farmers a dependable option where more sensitive cereals would falter.