Growers looking for advice on the subjects of rootstocks and varieties will find several pertinent articles in the July issue of Citrus Industry magazine.
According to University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus breeder Jude Grosser, Orie and Louise Lee (OLL) oranges are giving Valencias a run for their money. He discusses the beneficial characteristics of OLL-4, OLL-8 and the newly released OLL-20.
Extensive rootstock and variety trials taking place in the Millennium Block at the Indian River Research and Education Center are beginning to reveal interesting results. UF/IFAS researchers report early findings in their July article.
Another team of researchers from UF/IFAS and the U.S. Department of Agriculture are taking a close look at how Valencia trees perform with different rootstock propagation methods. Trials taking place in two Florida citrus-growing regions are comparing rootstocks that were propagated by seeds, stem cuttings and two different tissue-culture methods. The authors share results on tree height and canopy volume as well as scion and rootstock trunk diameter from the first three years of the study.
Another article addresses grower concerns about seed availability for the most popular citrus rootstocks in Florida. New research from the UF/IFAS Southwest Florida Research and Education Center on earlier harvesting of seeds could help alleviate this problem for growers.
Find all these articles and more in the July issue of Citrus Industry magazine, coming next month.
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