Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Yield and Forage Characteristics of Winter Rye Cultivars for Use within the Upper Midwest

Version 1 : Received: 22 January 2024 / Approved: 23 January 2024 / Online: 23 January 2024 (09:57:46 CET)

How to cite: Cubins, J.A.; Eckberg, J.O.; Garcia y Garcia, A.; Johnson, G.A.; Wiersma, J.; Wells, S. Yield and Forage Characteristics of Winter Rye Cultivars for Use within the Upper Midwest. Preprints 2024, 2024011682. https://doi.org/10.20944/preprints202401.1682.v1 Cubins, J.A.; Eckberg, J.O.; Garcia y Garcia, A.; Johnson, G.A.; Wiersma, J.; Wells, S. Yield and Forage Characteristics of Winter Rye Cultivars for Use within the Upper Midwest. Preprints 2024, 2024011682. https://doi.org/10.20944/preprints202401.1682.v1

Abstract

Summer annual species are the most widely grown crops in the Upper Midwest, but reliance on a summer annual system has led to excessive soil and nutrient loss when crops are not present. Integrating winter rye (Secale cereale L.), known for its hardiness and environmental benefits, into the rotation can address these issues. However, there's limited understanding of the phenotypic diversity in winter rye during key growth stages that overlap with the typical planting dates for corn (Zea mays L.), soybean [Glycine max (L.) Merr], and late-planted crops like dry bean (Phaseolus vulgaris L.). Thus, the objectives of this study were to evaluate changes in biomass accumulation and quality of winter rye and triticale (x Triticosecale Wittmack) cultivars at three growth stages. Twenty cultivars were assessed over the 2014-2015 and 2015-2016 growing seasons across three environments in Minnesota. Winter rye and triticale were harvested for biomass at the tillering, booting, and soft dough growth stages and rye biomass yield and quality [i.e., crude protein, neutral detergent fiber (NDF), and 48-hour digestibility (NDFD)] were determined following harvest. Overall, there was little variation in each parameter among the cultivars within a location and growth stage. NDFD had some variation at the soft dough stage where digestibility ranged from 273 to 324 g kg-1 at the Crookston site and 332 to 406 g kg-1 at the St. Paul site. The lack of difference between cultivars indicates a wide range of choice when selecting a winter rye cultivar.

Keywords

Winter rye; cereal rye; phenotypic diversity; biomass yield; forage quality

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

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