Estimating Effects of Radiation Frost on Wheat Using a Field-Based Frost Control Treatment to Stop Freezing Damage.

ABSTRACT: Crop phenotyping experiments have long struggled to have a reliable control treatment that excludes frost and associated freezing damage to plants. Previous attempts used a barrier, such as a removable shelter or cloth to exclude frost. However, these methods were labour intensive and varied in their effectiveness. An automated diesel heater was used to protect field plots of wheat (Triticum aestivum L.) from frost damage. In 2018 and 2019 there were 22 and 33 radiation frost events from July to October at the field site. The heater maintained canopy air temperature above freezing (>0 °C) for the duration of the frost (~6−8 h). Heated plots had 2−3 °C warmer minimum canopy air temperatures. Cold and chilling damage was still present in heated plots and represented 20−30% floret sterility;

SUBMITTER: Leske BA 

PROVIDER: S-EPMC9031182 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature