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General Information:
o The plant will end its growth by a cluster
o Occurs before the 5th cluster stage, and usually not after the
6th cluster
Causes
o We believe there is an environmental influence, with varietals
susceptibility.
o Some years everyone has it at the same time, other years it
does not occur
o Often seen on vegetative crop
o Some claim a sudden increase in light level may stimulate it
Prevention
o If you notice flattening of the stem, steer the crop generatively
o If too late, a shoot can be kept to replace the head ( as shown
on the right hand picture )