Peanut leaf spots management

1. Symptom and effect of peanut leaf spots: 

• The peanut leaf spots are caused by Cercospora spp.
• There are two types of peanut leaf spots:
  • Brown lesions (spots) mainly attack on the upper leaf. On the upper leaf surface, the spots that may be surrounded by yellow halo and the lighter one on the lower leaf surface. The fungus produces tufts of silvery, hair-like spores on lesions. yếu trên lá. Mặt trên vết bệnh hình tròn có màu vàng nâu xung quanh. 
  • Dark-brown to black leaf spots that penetrate mainly through the lower leaf then spread to the upper leaf. The lesions appear as dark speckles and are visible on both the upper and lower leaf surface. 
• The high pressure of leaf spot can kill the young plant. And, in the following stage, it will affect and make the infertile followers.

2. Prevention and Control:

To prevent the damage of the peanut leaf spot, farmer should usually monitor the field’s status to earlier detecting the infestation and using Map Unique 750WP (Tricyclazole 500g/Kg + Tebuconazole 250g/Kg) to control.

3. Advantage of Map Unique 750WP:

• The specific combination of two ingredients.
• The great ability to be systemic and absorb
• Immediately control the spots after treated.

Dosage: 25 g/ 25 water litters bottle

Note: To increase product’s quick absorbing and the ability to spread on the leaf surface, it should be combined with Map Green 6SL (dosage 100ml / 200 water litters) for extending the effectiveness, particularly in rainy season.