ORIGINAL ARTICLE
Influence of trinexapac-ethyl on growth and development of winter wheat
1
Institute of Plant Protection
Miczurina 20, 60-318 Poznań, Poland
Corresponding author
Kinga Matysiak
Institute of Plant Protection Miczurina 20, 60-318 Poznań, Poland
Institute of Plant Protection Miczurina 20, 60-318 Poznań, Poland
Journal of Plant Protection Research 2006;46(2):133-143
KEYWORDS
plant growth regulatortrinexapac-ethylwinter wheatweatherchlorophyll contentinternode lengthear lengthwall thickness
TOPICS
ABSTRACT
Trinexapac-ethyl is one of the newest growth regulators used in agriculture and horticulture. As a most growth retardants it acts by inhibiting gibberellin (GA) biosynthesis. A field study was conducted to determine the effects of trinexapac-ethyl on growth of winter wheat. Trinexapac ethyl was used alone (75 g a.i./ha and 125 g a.i./ha) and in the mixture with chlorocholine chloride
(50 g a.i./ha + 675 g a.i./ha) at the 2nd node stage. Trinexapac-ethyl and its mixture with CCC activity was weather dependent. Their influence on the crop was strictly related to the temperature and rainfall during an individual year of trials. Plant growth regulators much more influenced winter wheat plants in abundant rainfall and higher temperature conditions. Lodging was not observed during the experiment.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
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