In wilt disease, the leaves turn light yellow while the leaves of the top branches become curved and twisted.
In the later stage, the yellowed leaves discolor and fall prematurely.
The plant fails to produce new leaves or flowers causing some of the twigs to bare and eventually dry up.
Proper sanitation in the garden can keep the disease at bay. The infected trees should be uprooted,
For prevention of this disease, Trichoderma viride 5 -10 grams or Pseudomonas fluorescence 2.5 -5 grams per 5 kg of treated cow dung should be added per pitcher, while planting and 10 kg per pitcher on old plants.
Trichoderma viride 5 -10 grams or Pseudomonas fluorescence 2.5 -5 grams per liter of water and drench on the plant.
Make a basin around the guava plant and mix CARBENDAZIM 45%WP @ 2 gram/liter of water or COPPER OXYCHLORIDE 50% WP @ 2.5 gram/liter of water and drenching it in the basin.