Pecan cultivars
Alphabetic
Search by Cultivar Name
'Keilers' ('Stockbauer')
(Nut
Photo) Seedling selection made by Werner G.
Keilers from yard tree growing in Travis Heights area of Austin,
Texas in the early 1980's. Mr. Keilers was interested in patenting
the selection, but that was not pursued. Graftwood was shared
with the USDA ARS Pecan Station in Brownwood in 1983 under the
name 'Keilers'. Keilers also shared graftwood with John Haschke
of Harwood, TX, who shared it with Fred Stockbauer of Victoria,
TX. Mr. Stockbauer was impressed with nut size and quality of
the selection and began propagating it in the early 1990's, and
it began to be called 'Stockbauer'. Graftwood of 'Stockbauer'
came in 1994 to the pecan collections of the USDA ARS National
Clonal Germplasm Repository, established in 1984 to include collections
of the Brownwood station. Analysis using eight microsatellite
primers showed the two accessions to be identical, in addition
to having indistinguishable nut characters, dichogamy and disease
reactions. Nut: obovate to elliptic, blocky with obtuse apex and
base, often with a slight point at base; prominent thick, dark
stripes at apex; round in cross section; 42 nuts/lb, 60% kernel;
kernels golden to light brown, with medium, slightly tapered dorsal
ridge, relatively narrow dorsal grooves; slight basal cleft; deep,
usually open ventral groove. Protogynous with mid-season pollen
shed and early pistillate receptivity. Susceptible (rated 3 on
1-5 scale) to pecan scab [Fusicladosporium effusum (Winter)
Partridge and Morgan-Jones] and somewhat susceptible (rated 2
on 1-4 scale) to veinspot (Gnomonia nerviseda Cole). Keilers
was assigned Plant Introduction number (PI) 518067.
LJ Grauke
, Research Horticulturist
&Curator
USDA-ARS Pecan Genetics
10200 FM 50
Somerville, TX 77879
tele: 979-272-1402
fax: 979-272-1401
e-mail:ljg@tamu.edu
Return to Introduction