Agricultural News
Warm Weather Accelerates Hollow Stem Development
Wed, 22 Feb 2012 14:12:33 CST
The recent warm weather has moved wheat development into high gear. First hollow stem is characterized by 1.5 cm of hollow stem present below the developing grain head. First hollow stem samples collected at Stillwater on Monday showed that 21 out of 45 varieties were at or past first hollow stem. A summary table is posted below. Our wheat plots at Stillwater are likely four or five days ahead of most producer fields; however, they clearly indicate that first hollow stem is rapidly approaching for all producers. It is highly probable that any wheat sown prior to October 1 will be at or past first hollow stem by March 1 and March 15 will be two weeks too late to remove cattle from wheat pasture. We will collect samples from El Reno later this week and distribute our findings.
Hollow stem measured at Stillwater, OK 02/20/2012
Variety -- hollow stem (cm)
OK09634 -- 6.2
OCW00S063S-1B--6.2
FANNIN -- 4.4
HATCHER -- 3.5
TAM 112 -- 3.5
JAGGER -- 3.2
GREER -- 3.1
GALLAGHER -- 3.1
TAM 401 -- 2.8
BILLINGS -- 2.8
FULLER -- 2.6
TAM 203 -- 2.5
GARRISON -- 2.4
BILL BROWN -- 2.2
ARMOUR -- 2.2
JACKPOT -- 2.1
OK0986146W -- 2.0
TAM 113 -- 1.8
EVEREST -- 1.7
SANTA FE -- 1.6
T153 -- 1.5
RUBY LEE -- 1.4
OK BULLET -- 1.2
WINTERHAWK -- 1.2
WB-CEDAR -- 1.2
OK08229 -- 1.0
OK09125 -- 1.0
OK05312 -- 0.9
IBA -- 0.9
OK08413 -- 0.8
CJ -- 0.8
ENDURANCE -- 0.6
DOANS -- 0.6
DUSTER -- 0.5
T158 -- 0.5
PETE -- 0.5
OK08328 -- 0.5
OK08707W -- 0.4
DELIVER -- 0.4
TAM 111 -- 0.4
CENTERFIELD -- 0.3
MACE -- 0.3
AP503 CL2 -- 0.3
OK09915C -- 0.3
2174 -- 0.2
Average -- 1.7
Several articles detailing pasture-management strategies for drought recovery are available at: www.extensionnews.okstate.edu
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