We are hot and dry!

Dennis Berglund  |   July 16, 2012
 

a)      Moisture stress has the greatest effect during the 2 weeks before and after tassel emergence

b)      The most critical period is during pollination

i)        Moisture stress during this stage can cause up to 50% yield reduction

c)      Our corn is currently using 0.25 to 0.30” of water per day

 

Effects of water stress during pollination:

a)      Silks emerging after pollen production has ended

b)      Some plants will not form any silks

c)      Exposed silks can dry out and not be receptive to pollen

d)      Reduced pollination due to lack of viable pollen

e)      Poor kernel set and ears with missing kernels

 

You can check for pollination by removing the husk and gently shaking the ear, to see if the silks fall away from the ear.

 

If the dry weather continues, we could also increase kernel abortion and decrease kernel weight.

The author does not guarantee the accuracy of the information contained in this feature, although it is believed to be accurate. The author assumes no liability or responsibility for direct or indirect, special, consequential or incidental damages or for any other damages relating or arising out of any action taken as a result of information or advice contained in this report. The author disclaims any express or implied liability or responsibility for any action taken, which is solely at the liability of and responsibility of the user.

This content may not be redistributed without the consent of Vance Media Corporation.
© 2014, Vance Media Corporation


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