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A cultivar phenology classification scheme for wheat and barley

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Celestina, C., Hunt, J., Kuchel, H., Harris, F., Porker, K., Biddulph, B., Bloomfield, M., McCallum, M., Graham, R., Matthews, P., Aisthorpe, D., Al-Yaseri, G., Hyles, J., Trevaskis, B., Wang, E., Zhao, Z., Zheng, B., Huth, N. and Brown, H. (2023) A cultivar phenology classification scheme for wheat and barley. European Journal of Agronomy, 143 . p. 126732. ISSN 1161-0301

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Article Link: https://doi.org/10.1016/j.eja.2022.126732

Publisher URL: https://www.sciencedirect.com/science/article/pii/S1161030122002805

Abstract

The relative time to maturity of grain crops is an important consideration for producers, yet there are no universally accepted classification schemes for cultivar phenology to guide decisions on variety selection and time of sowing. A first edition of an industry guide for wheat variety maturity was recently developed for use across Australia, representing a significant step forward for the grains industry. The aim of this paper was to revise and extend this industry guide to make it more robust, agronomically functional and meaningful to industry. The Australian Cereal Phenology Classification (ACPC) presented herein was developed using an unprecedented phenological data set with a diverse array of genotypes, environments and management. Field experiments were carried out with 70 wheat and 30 barley cultivars at 15 sites across Australia between 2017 and 2020. Thermal time to anthesis data were used to rank cultivars according to their relative phenology and divide them into classes, and then boundary cultivars of both species were selected to separate these classes. The resulting classification scheme divides wheat and barley into phenology classes ranging from ‘quick’ to ‘mid’ to ‘slow’. New cultivars to market can be assigned a phenology classification based on their thermal time to anthesis relative to the boundary cultivars. The ACPC will help growers, agronomists, breeders and researchers make informed decisions regarding cultivar comparison and selection while reducing misclassification and confusion across regions. The same methodology used to derive and validate the ACPC can be applied internationally to standardise descriptions of crop phenology.

Item Type:Article
Business groups:Crop and Food Science
Keywords:Maturity Cereal Flowering time Heading Anthesis Development
Subjects:Science > Botany > Genetics
Plant culture > Field crops
Plant culture > Field crops > Grain. Cereals
Plant culture > Field crops > Wheat
Live Archive:13 Jan 2023 00:15
Last Modified:15 Jan 2023 22:37

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