Multi-Sweet Orange Scion SW Flatwoods Rootstock Trial, LaBelle

Dr. Jude Grosser – Dr. Fred Gmitter –  Dr. Bill Castle
November 17, 2021 - revised
November 23, 2020 - revised
December 7, 2018 - posted
CREC Citrus Plant Improvement

Multi-Sweet Orange Scion SW Flatwoods Rootstock Trial - Description

Trial consists of 25 late-maturing orange selection/rootstock combinations (approximately 1100 trees planted as resets in 2014) planted in southwest Florida. The scion selections are ‘Valencia’ B9-65, OLL-8 and OLL-20 sweet oranges on 7 new sour orange-like hybrid rootstocks along with UFR-2, UFR-4, UFR-15 and UFR-17 rootstocks. The project also includes a new UF ‘Hamlin’ clone N13-32 on the same rootstocks (data not presented). The overall goal of the trial is to identify scion/rootstock combinations for southwest Florida flatwoods sites.

Multi-Sweet Orange Scion SW Flatwoods Rootstock Trial - Summary

• Location: LaBelle, Hendry county.
• Scion: ‘Valencia’ B9-65, OLL-8 and OLL-20 sweet oranges
• Rootstocks: 7 new sour orange-like hybrid rootstocks and UFR-2, UFR-4, UFR-15 and UFR-17 rootstocks
• Date planted: 2014
• Data: 2017/18: Yield; HLB rating; tree size rating.
  
  
• Trial status: ACTIVE