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Research status of MAPs in Nepal
Learn medicinal and aromatic plants with Braimy- B.Sc Agriculture
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April Tree of the Month: Lemon-Scented Gum | Edhat

  • Scientific name: Eucalyptus citriodora Hook.and Eucalyptus globulus var. globules



  • Tropical and subtropical climate.
  • High winds injure the plant.
  • Drought tolerance plant.


  • Preparation of Land:- 1-2 deep ploughings, 1-harrowing and proper leveling drainage.
  • Preparation of pit:- 1m x1m x 1m.
  • Transplanting: June – July – August after one month of sowing
  • Sowing Season :- April – May in nursery bed.
  • One month old seedlings with 2 to 4 pairs of leaves or about 20 – 30cm tall seedlings planted in the field or in pits.
  • Spacing :- 120 x 90cm (Tall),45 x 30cm (Dwarf)


  • Manures and Fertilizers:- 10 – 15 tons of FYM or compost / ha. NPK – 40:25:25kg / ha / year.
  • Interculture:- Earthing up, weeding and hoeing is essential.
  • Irrigation:- 8 – 10 irrigations.1 – 2 irrigation at early season.


  • The terminal branches are cut to induce the plants to produce more lateral branches.
  • First coppicing – 30 to 45cm above ground in 6 to 8 months old plants.
  • 2nd coppicing – 4 to 5 months after 1st coppicing
  • 3rd coppicing -80cm to 1m above the ground. Usually, coppicing is done in April and Oct.- November.


  • The leaves and terminal branch lets should be cut down.
  • 3 harvests i.e. March, July and November can be taken per year.
  • Yield:- From 3rd year onwards up to 10th years-30 – 40 tones of green herbs / h.
  • The fresh herbs yield 0.75 to 2.0% of oil. The oil yield about 100 – 150kg/h

Chemical evaluation:

  • The main constituent of the oil is ‘Citronella’ (80 -90%).
  • Other chemicals, Geraniol, Cineole, Pinene, Sesquiterpene, Isopulegol, citronellol, citriodorol, guaiol.
  • Actions:- Antiseptic, antiviral, bactericidal,deodorant, expectorant, fungicidal, insecticidal.


  • The oil is used as a fragrance component in soaps detergents and perfumes
  • Also used in room sprays and insect repellents.
  • The oil is used in asthma; laryngitis, sore throat, colds, fevers and skin diseases.
  • Construction purposes,
  • The dry wood is also suitable for paper pulp industry and fuel.

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