Preliminary Field Trial to Evaluate the Ability of HLB Tolerant Interstocks to Protect Commercial Scions Against HLB

Preliminary Field Trial to Evaluate the Ability of HLB Tolerant Interstocks to Protect Commercial Scions Against HLB

Report Date: 12/01/2023
Project: 22-016   Year: 2023
Category: Plant Improvement
Author: Manjul Dutt
Sponsor: Citrus Research and Development Foundation

1. Please state project objectives and what work was done this quarter to address them:  Objective 1: Production of interstock trees for evaluation in grower plots Interstock grafts have been produced on all of the rootstocks. However, the project has had minor setback due to severe thrip infestation that slowed down the growth of the trees. Currently most have flushed and are growing vigorously, and should be ready for the final propagation of the top scion (Sweet orange and grapefruit) in early spring.   2. Please state what work is anticipated for next quarter:  All rootstock liners have been stick grafted with the HLB tolerant interstocks. The failed lines will be redone in this quarter for growth.    3. Please state budget status (underspend or overspend, and why): We are on track with the budget spending as funds have been committed for plant propagation.     


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