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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
|---|
| 0 | PI 539831 | 'Rangur X Troyer' | Citrus sp. | California, United States | RIV | | | 1990 | DEVELOPED | 1954 | | | | | Rootstock | This accession was developed at the US Date and Citrus Station and apparently sent to Florida (presumably the USHRL) at some point. It was re-imported into California by CCPP as a promising rootstock in the late 1980's, apparently at the request of Mike Roose. "M Roose reports that this is a desired rootstock and may be needed for industry trial release here [California]. Tentative plan is to process for the variety collection...foundation set + CB at Lindcove. M Roose also [says] that this accession is Phytophthora resistant to a degree." (EM Nauer, 04/1988) "In the nursery it produces vigorous, unbranched seedlings which are easy to bud. Seedling tests indicate that it is more susceptible to Phytophthora parasitica than Carrizo, but survival of field trees has been excellent. It is resistant to tristeza but susceptible to exocortis...Soil adaptation is not yet well characterized, but it has grown well on a wide rnage of soils in Florida...[Trees] gornw on [this accession] have a moderate growth rate resulting in trees 50 - 75 % of the height of those on Carrizo. We believe its overall effect on tree size will be simialr to that on C-35 citrnage. Yield relative to tree size is good to excellent in most trials [as is fruit quality]. Trees on this cultivar also showed moderate cold tolerance under Florida conditions. Ocerall it appears to be a rootstock worth of trial in higher density plantings. On the other hand it has not known advantages over C-35 citrange and somewhat poorer disease resistance." (ML Roose, "New Rootstock Cultivar Descriptions", CCNS Newsletter, Spring 1991, summarizing Castle et al, Proc Fla Hort Soc, 99:33-35, 1986). (RRK, 09/2006) | 1434767 | PI 539831 |
| 1 | PI 539843 | 'GLEN CITRANGEDIN' | Citrus sp. | California, United States | RIV | | | 1962 | DONATED | 01/01/1962 | | | | | Cultivar | | 1434779 | PI 539843 |