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Effects of Bacillus cereus on Cotton Growth and Yield

Derrick Oosterhuis and Joe Hickey

ABSTRACT

An important objective of Plant Growth Regulators (PGRs) is to balance vegetative and reproductive growth as well as improve yields and fiber quality. Various PGRs have been used to achieve these objectives with varying successes. Recently, Bacillus cereus (BC) was added to mepiquat chloride for additional yield advantage. The current research effort has focused on using BC with hormone based growth enhancer products for added growth and yield improvement. The new product, PGR-lV Plus, was tested over a four-year period in growth room studies and at 91 locations across the Cotton Belt on cotton that had received Pix Plus, resulting in an overall average 69.3 lb lint/acre increase in yield. Future studies will continue to evaluate Bacillus cereus in PGR-lV Plus for growth and yield advantages as well as in combinations with insecticides.





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Document last modified April 16, 2003