Home » first hollow stem » First hollow stem update 03/08/2013

First hollow stem update 03/08/2013

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Amanda De Oliveira Silva

Amanda De Oliveira Silva

I have served as an Assistant Professor and Small Grains Extension Specialist at Oklahoma State University since August 2019. I believe that close interaction with producers is vital to understand their production strategies and to establish realistic research goals. My program focuses on developing science-based information to improve the agronomic and economic viability of small grains production in Oklahoma and in the Southern Great Plains.

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We are not progressing towards first hollow stem as quickly as I anticipated, but most varieties are getting close. The drought has likely slowed onset of first hollow stem. Keep in mind that drought stressed wheat might need longer to recover from grazing, so it will likely be better to remove cattle a little early in 2013.

CHICKASHA

                 cm of hollow stem

Variety           03/06/13

Jagger             .

Endurance       0.46

Deliver             0.43

Pete                 0.4

Ruby Lee         1.3

Garrison           1.44

Duster              0.49

Gallagher        .

Iba                   0.78

Fuller               1.99

Everest           .

Jackpot            1.69

Doans              0.55

Greer               .

CJ                    0.38

Razor               .

Armour             1.7

WB-Cedar        0.82

WB-Redhawk    2.71

T153                2.27

T154                2.44

T158                0.5

OK08328         0.36

*Average of ten hollow stem measurements in wheat sown 09/20/12 at Chickasha, OK

Stillwater

                 cm of hollow stem

Variety            03/05/13

Jagger                 1.1

Endurance          0.2

Deliver                 0.7

Pete                    0.3

OK Bullet            0.5

OK Rising            0.7

Centerfield          0.3

Ruby Lee             2.4

Garrison               1.6

Duster                  .

Gallgher              0.7

Iba                       0.1

Billings                0.4

Fuller                   1.8

Everest                .

Jackpot                1.5

Doans                  1.7

Greer                   0.5

CJ                        0.2

Razor                   2.8

Armour                1.2

WB-Cedar            1.1

WB-Redhawk       0.9

WB-Duece CL+    .

WB-Grainfield      0.7

Winterhawk          1.2

WB-4458             .

T153                   1.7

T154                   2.0

T158                   0.1

LCS Mint             0.1

LCH08-80            0.1

LCH08 – 109        0.3

T173                   0.4

Byrd                     0.1

Brawl CL+            0.1

TAM 113             0.4

OK09915C          0.4

OK09935C          0.4

OK09634             0.5

OK09125             0.4

OK09528             0.2

OK09729             0.4

OK08328             0.1

*Average of ten hollow stem measurements in wheat sown 09/18/12 at Stillwater, OK

 

Onset of first hollow stem was affected by severe drought stress


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