In a recent webinar, Tracy Kahn provided details about seven lemon selections undergoing Citrus Research Board trials at four California locations. Kahn is the Givaudan Citrus Variety Collection endowed chair at the University of California, Riverside (UCR).
The information she presented included the selections’ compatibility with various rootstocks. All of the lemon selections are irradiated and described as seedless, except for LTL001, a seedy variety. The trials are intended to provide California growers with lemons that have superior fruit quality, good yield and potential HLB tolerance or resistance, as well as new rootstock varieties. The trials are at Lindcove, Santa Paula, Riverside and Coachella.
ALE001 produces fruit that have good size, smooth rinds with average thickness and less than one seed per fruit. Most citrange and trifoliate rootstocks are not recommended.
WRK001 produces a plant with dense foliage. The fruit is of good exterior quality with average rind thickness and smoothness. Fruit shape tends to be more rounded. Rootstock incompatibility has been noted, particularly with C-35 citrange…