How does Prohexadione calcium work?
Prohexadione calcium is foliarly applied plant regulator which reduces vegetative growth by inhibiting the synthesis of gibberellin, a naturally occurring plant hormone. Specifically it decreases the length of shoot internodes.
What is Trinexapac Ethyl?
Trinexapac-ethyl (TE) is a plant growth regulator used extensively to reduce the need for mowing. However, vertical growth suppression of vertical growth has the potential to reduce horizontal growth.
How long does PRIMO MAXX take to work?
about 3 to 5 days
Full growth regulation by PRIMO MAXX begins about 3 to 5 days after application. In practice the amount of growth regulation achieved will vary between situations due to environmental conditions and management practices.
How often do you apply PRIMO MAXX?
Apply at 4 week intervals after mowing. An application of PRIMO MAXX to couch will enhance the establishment of cool season turf grasses. PRIMO MAXX is foliarly absorbed, so germination and seedling growth is not affected. Apply PRIMO MAXX before verticutting, scalping, spiking or other similar operations to the couch.
How much water do you mix with PRIMO MAXX?
Water volume Knapsack: It is important to apply the correct quantity of PRIMO MAXX to a known area of turf. Apply between 2 and 10 L water/100 m2 turf. Golf Courses and Bowling Greens: Ensure product placement as uniformly as possible onto leaves and into crowns. Ideal application volume should be 350 to 500 L/ha.
Is ethephon harmful to humans?
Ethephon has the potential to cause severe skin and eye irritation (Toxicity Category I), but otherwise is moderately acutely toxic. An organophosphate pesticide, it has the potential to cause cholinesterase inhibition.
How long does PRIMO MAXX last?
Primo MAXX can be continuously and safely used for up to 12 months of the year, as long as active growth occurs. tracking the growth rate of the turf with the rate of Primo MAXX applied is essential to manage a consistent regulation effect for the entire application period.
What are side effects of ethephon?
 Toxic effects of ethephon reported in human adults till date are salivation, lacrimation, diarrhea, urgency of bowel movement, stomach cramps, increased urgency, and frequency of urination with decreased appetite with inhibition of plasma cholinesterase activity.
Is PRIMO MAXX safe?
It’s safe and easy to apply. A single application slows grass growth for up to 4 weeks. The active ingredient in Primo Maxx is called trinexapac-ethyl.
Is PRIMO MAXX a pesticide?
Prevent spray drift. PRIMO MAXX II is the trusted growth regulator that pre-conditions turf for stress and optimises surface quality and colour. Works by slowing the production of gibberellic acid, a plant hormone that promotes cell elongation.