Thomas G. Chastain Why is lodging important in grass seed crops? Under certain conditions, the tiller cannot support the weight of the developing inflorescence and seed. The tiller lodges or falls to the ground, especially when there are high levels of nitrogen fertilizer and soil moisture present (Fig. 1). Both conditions are common in Oregon’s [...]
Posts Tagged ‘Plant Growth Regulators’
PGRs and lodging control in grass seed crops
Thursday, April 25th, 2013Plant growth regulators and seed weight in perennial grass seed crops
Friday, August 31st, 2012Thomas G. Chastain There are two lodging control agents (plant growth regulators) available for grass seed producers in Oregon. Palisade (trinexapac-ethyl) and Apogee (prohexadione-calcium) plant growth regulators (PGRs) are acylcyclohexanedione inhibitors of the 3-β hydroxylation of GA. The known effects of the acylcyclohexanedione PGRs currently in use on grass seed crops are as follows: Increased [...]
Lodging control in grass seed crops
Thursday, May 3rd, 2012Thomas G. Chastain Why is lodging important in grass seed crops? Under certain conditions, the tiller cannot support the weight of the developing inflorescence and seed. The tiller lodges or falls to the ground, especially when there are high levels of nitrogen fertilizer and soil moisture present (Fig. 1). Both conditions are common in Oregon’s [...]