Open Access

Table 3

Tools used for artificial pollination.

  NAA solid mixture NAA in liquid suspension
Tool and empty weight Pneumatic pump: 593 g Knapsack sprayer: 5.9 kg
Spear (opening peduncular bracts − NAA spraying): 2.1 kg Spear (NAA spraying): 600 g
  Metal hook (opening peduncular bracts): 1.8 kg
Capacity 283 g 20 L
Spear length 2 m NAA spraying: 1.5 m
  Opening peduncular bracts: 2 m
Description Injection system: pneumatic pressure Injection system: hydraulic pressure
Pressure required: 4.4 psi Pressure required: 40 psi
Material: Aluminium, iron (spear), plastic (pneumatic pump) Nozzle: hollow cone (40 − 120 psi)
  Pressure regulator: 29 psi

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