Axillary Bud, Shoot and Flower Development

Richardson, Annette C.; Varkonyi-Gasic, Erika

doi:10.1079/9781800620933.0014

Kiwifruit 2023

DOI: 10.1079/9781800620933.0014

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Axillary Bud, Shoot and Flower Development

Annette C. Richardson,

Erika Varkonyi-Gasic

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2024

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Cited by 1 publication

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A Hierarchical Model to Predict Time of Flowering of Kiwifruit Using Weather Data and Budbreak Dynamics

Zhang,

Alavi,

Guo

et al. 2024

Plants

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Accurate prediction of flowering times is essential for efficient orchard management for kiwifruit, facilitating timely pest and disease control and pollination interventions. In this study, we developed a predictive model for flowering time using weather data and observations of budbreak dynamics for the ‘Hayward’ and ‘Zesy002’ kiwifruit. We used historic data of untreated plants collected from 32 previous studies conducted between 2007 and 2022 and analyzed budbreak and flowering timing alongside cumulative heat sum (growing degree days, GDDs), chilling unit (CU) accumulation, and other environmental variables using weather data from the weather stations nearest to the study orchards. We trained/parameterized the model with data from 2007 to 2019, and then evaluated the model’s efficacy using testing data from 2020 to 2022. Regression models identified a hierarchical structure with the accumulation of GDDs at the start of budbreak, one of the key predictors of flowering time. The findings suggest that integrating climatic data with phenological events such as budbreak can enhance the predictability of flowering in kiwifruit vines, offering a valuable tool for kiwifruit orchard management.

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A Hierarchical Model to Predict Time of Flowering of Kiwifruit Using Weather Data and Budbreak Dynamics

Zhang,

Alavi,

Guo

et al. 2024

Plants

View full text Add to dashboard Cite

show abstract

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Axillary Bud, Shoot and Flower Development

Cited by 1 publication

References 131 publications

A Hierarchical Model to Predict Time of Flowering of Kiwifruit Using Weather Data and Budbreak Dynamics

A Hierarchical Model to Predict Time of Flowering of Kiwifruit Using Weather Data and Budbreak Dynamics

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