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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 628632 | NF-1 | Silphium laciniatum L. | Oklahoma, United States | W6 | | | 2001 | DEVELOPED | PRE 12/27/2001 | | | | | Breeding material | The original accessions comprising NF-1 were evaluated in 2000 and 2001 at Ardmore, OK (34 ll N, 97 05 W) for height, defined as the length of the tallest flowering stalk, and first bloom date. Chromosome number 2n=2X=14; one hundred achene (seed bearing structure) weight averages 3.25 g. | 1631354 | PI 628632 |
| 1 | PI 628633 | NF-1 Profuse Ligule | Silphium laciniatum L. | Oklahoma, United States | NLGRP | | Not Available | 2001 | DEVELOPED | | | | | | Breeding material | The parent plant (R6P1) produces a profuse amount of ligules, whereby petals, in addition to being produced by ray flowers on the periphery of the blossom, are also present on a substantial portion of disk flowers in the interior of blossom. This results in a far greater number of petals per blossom than is commonly found in compass plant, with mature achene production from both ray and disk flowers. All blossoms on R6P1 expressed the profuse ligule trait; both staminate and pistilate disk flowers were present. Anthers from staminate disk flowers of R6P1 were less well developed than those of other compass plant genotypes. First bloom date and plant height of R6P1 average approx. late June at Ardmore, OK and 17 cm, respectively. Inheritence of the profuse ligule trait is unknown. Progeny of R6P1 have not been evaluated for this trait. Chromosome number is 2n=2X=14; one hundred achene weight averages 2.54 g. | 1631362 | PI 628633 |