Aloe

Scientific name: Aloe barbadensis
Family: Aloeaceae
Photo source : HEAR
Plant parts used : Leaves, rhizomes
Mode of action : Larvaticidal (Prakash; Rao, 1997: p. 17)
Formulations
Materials
Aloe, vitex extract 5 kg of vitex leaves 2 liters of aloe leaf juice 50-60 ml of soap
50 liters of water Cooking pot Pail

Methods of preparation
Remove the outer part of the aloe leaves. Grind to get the extract. Strain. Soak
Vitex leaves in water. Bring to boil for 30 minutes. Cool and then strain.

How to use
Mix the two extracts. Add 50 liters of water to the extract. Stir in soap. Spray
on infested plants thoroughly. Spray early in the morning or late in the
afternoon. This formulation is good enough to spray 0.4 ha area.

Target pests>
Armyworm Hairy leaf-caterpillar Rice leaf roller Rice stem borer Semi-looper
Bacterial and fungal diseases

Aloe moth attractant
1/2 liter of aloe extract 1 kg of castor cake Wide-opened containers Plant latex or resin
Mix aloe and castor cake. Add latex as an adhesive materials.
Put mixture in wide open containers. Place the containers in strategic locations
in the field. 6 traps are good enough fo 1/2 ha Moths

Effect on humans:
Extra care should be taken while handling the plant latex because contact
dermatitis can occur on sensitive individuals (NCSU, 1997). Effect on non-target
organisms. Aloe latex is harmful to animals (NCSU, 1997).

External links

• NCSU. Aloe vera.
  http://www.ces.ncsu.edu/depts/hort/consumer/poison/Aloe_ve.htm
• Earlham College. Aloe vera.
  http://www.earlham.edu/~banvael/aloevera.html
• CBIF. Notes on poisoning: aloe - A. barbadensis.
  http://www.cbif.gc.ca/pls/pp/ppack.info?p_psn=163&p_type=all&p_sci=comm&p_x=px
• PCARRD - DOST. PROSEA herbal techno-catalog.
  http://www.pcarrd.dost.gov.ph/prosea/proseaherbal/techno-catalogue.htm

References

• Prakash, A.; Rao, J. (1997): Botanical pesticides in agriculture. CRC Press. USA.
• Vijayalakshmi, K.; Subhashini, B.; Koul, S. (1999): Plants in Pest Control: Pongam, tulasi and aloe. Centre for Indian Knowledge Systems, Chennai, India.