Agriculture Reference
In-Depth Information
Table 10.2.
Chemicals for manipulating
fl
owering or increasing fruit set and retention in mango (Galán Saúco, 1996).
Area
Chemical
Application time
Dosage (foliar sprays)
Action
Subtropics
GA
3
Prior to
fl
ower differentiation
(beginning of winter)
100 mg/l
Delays
fl
owering (repeated use
during winter will eliminate
fl
owering)
Cyclohexamide
Flowering
0.25 g/l
Destroys apical panicles
Dinoseb
Flowering
0.5 ml/l
Destroys apical panicles
Pentachlorophenol
Flowering
5.0 g/l
Destroys apical panicles
Ethephon
Full-
fl
ower stage
800 mg/l
Destroys apical panicles
Hydrogen cyanide
Beginning of
fl
owering season
0.4% (cv. Haden)
0.6% (cv. Keitt)
Destroys apical panicles
Tropics
NH
4
NO
3
KNO
3
End of autumn
20 g/l
40 g/l
Interrupts
fl
ower dormancy
Paclobutrazol
Any time during fruit bud stage or
2.5-5.0 g a.i./tree
Reduction of vegetative growth and
