Comparison of field performance of citrus trees on rootstocks propagated by seedlings, cuttings, and tissue culture

Comparison of field performance of citrus trees on rootstocks propagated by seedlings, cuttings, and tissue culture

Report Date: 01/05/2023
Project: 21-005   Year: 2022
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: This is a continuation of project 18-028C. Objective 1: Assess rootstock propagation method and rootstock cultivar effects on growth, health, and productivity of grafted Valencia trees during the early production years (years 4-6 after planting) in two commercial citrus production environments. Objective 2: Assess rootstock propagation method effect on tree performance, root architectures and uprooting resistance of Valencia trees after 5 years of growth.We continued our regular observations on root growth using minirhizotrons. Tree health ratings and tree measurements were conducted.  2. Please state what work is anticipated for next quarter: Rhizotron measurements and data analysis will continue and tree ratings will be conducted. Depending on grower collaborator’s schedule, we will harvest the fruit and analyse fruit quality. 3. Please state budget status (underspend or overspend, and why): Budget status is as expected.


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