Management of maize stand height using growth regulators
Copyright policy )Management of maize stand height using growth regulators
Effect in reducing maize plant height using growth regulators ethephon, chlormequat chloride (CCC), CCC + ethephon, and mepiquat chloride + prohexadione-Ca was studied in field experiments during 2010 and 2011. It was found that maize plant height could be reduced by as much as 125 cm (49% of control) using a double application of ethephon (576 g a.i./ha) at growth stages BBCH 18-19 and BBCH 34-36. The other growth regulators displayed weak or no influence. An optimum level of shortening was achieved using ethephon (576 g a.i./ha) at BBCH 34-36 (reducing plant height by 40-90 cm), but it is necessary to count upon yield loss of 0.5-0.6 t/ha.
chlormequat chloride (ccc), grain yield, Plant culture, prohexadione-ca, ethephon, mepiquat chloride, SB1-1110
chlormequat chloride (ccc), grain yield, Plant culture, prohexadione-ca, ethephon, mepiquat chloride, SB1-1110
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