Evaluation of citrus rootstock response to HLB in large-scale existing field trials

Evaluation of citrus rootstock response to HLB in large-scale existing field trials

Report Date: 07/12/2021
Project: 18-029C   Year: 2021
Category: Plant Improvement
Author: Ute Albrecht
Sponsor: Citrus Research and Development Foundation

 1. Please state project objectives and what work was done this quarter to address them: Objective 1. Investigate rootstock effects on horticultural performance of Valencia and Hamlin trees commercially grown under HLB-endemic conditions using standardized field data collection procedures.Fruit collection and fruit quality analysis for the Valencia trials was completed.Harvest was completed for both Valencia trials. Tree/canopy size and trunk diameter measurements were completed for this year.We are still working on the leaf CLas analysis in for trees in the Valencia trials.The statistical analysis of all data is nearly completed and is being prepared for publication. Objective 2. Develop outreach to transfer information to growers and other industry clientele.A one hour virtual seminar on rootstocks, including a summary of results from this project, was presented on June 21.  2. Please state what work is anticipated for next quarter: We will continue with the data analysis. Data are being prepared for a presentation at the Citrus Expo in August. 3. Please state budget status (underspend or overspend, and why): Approximately 70% of funds have been spent, which is somewhat underspent due to Covid-19 related complications that affected research, travel, and hiring of personnel.  


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