Home » first hollow stem » First hollow stem update 03/05/15

First hollow stem update 03/05/15

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David Marburger

David Marburger

Since April 2016, I have served as the Small Grains Extension Specialist at Oklahoma State University. My research and extension efforts focus on delivering science-based recommendations in order to increase small grains production and profitability for stakeholders throughout Oklahoma and the southern Great Plains.

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First hollow stem is the optimal time to remove cattle from wheat pasture (full explanation). To monitor first hollow stem, we measure hollow stem for the 56 lines in our September-sown wheat forage plots at Stillwater each year. In spite of the recent cold snap many varieties are progressing towards first hollow stem. The small grains extension crew split ten stems from lines tested in our program today and1863, LCS Mint, TAM 204, TAM 113, TAM 114, and Byrd join the list of varieties at or past first hollow stem. Full results are posted in the table below. Varieties with no value for first hollow stem reached first hollow stem on a previous measurement date.

We will take another set of measurements later this week and report the results on this blog. Given the warm forecast for the coming week, I predict that all varieties will be well past first hollow stem by next Friday. You can check progression of first hollow stem around the state by using the First Hollow Stem Advisor on the Oklahoma Mesonet site.

 

First hollow stem measured in wheat sown 09/16/2014 at Stillwater, OK. Varieties with a “-” reached first hollow stem on a previous measurement date
Variety cm of hollow stem 03/05/15
Endurance 0.2
Deliver 0.2
Pete 0.1
OK Rising 0.2
Billings 0.7
Ruby Lee 0.6
Garrison 0.5
Duster 0.5
Gallagher
Iba 0.5
Centerfield 0.2
Doublestop CL Plus 0.3
NF 101
Everest
1863 1.6
KanMark 1.1
Oakley CL 0.6
KS061406 1.0
Sy Llano
Sy Southwind 0.9
Greer 1.1
Jackpot
Sy Monument 0.1
06BC722#25 2.8
AP09T7631 1.1
WB-Cedar
WB-Redhawk
WB4458
WB-Grainfield 0.8
Winterhawk
T153
T154
T158 1.3
LCS Mint 1.5
LCS Wizard 0.7
LCS Pistol
LCH13DH-20-87 1.1
LCH13DH-14-91
TAM 112
TAM 204 1.6
TAM 113 1.6
TAM 114 1.9
CO11D174 1.1
Byrd 1.7
Brawl CL Plus
OK09125 0.8
OK1059060-2C14 1.4
OK10126
OK11D25056 0.9
OK11231
OK12621 0.8
OK13625
OK0986130-7C13
OK08P707W-19C13 1.3
OK10728W 1.5
OK11755W
Average 1.0

 


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