1. SAPOTA LEAF SPOT
COLLEGE OF AGRICULTURAL TECHNOLOGY
(Affiliated to Tamil Nadu Agricultural University, Coimbatore-3)
Kullapuram (Po),ViaVaigai Dam, Theni-625 562
STUDENT
Miss. HARISANADEVI.C
ID. No. 2015021044
COURSE TEACHER
Dr. PARTHASARATHY S
Asst. Professor (Plant Pathology)
5. SYMPTOMS
The disease is characterized by numerous, small,
pinkish to reddish brown spots with whitish centres in
the leaf.
Causes premature leaf fall resulting in yield
reduction.
7. PATHOGEN CHARACTERS
Sub epidermal dark walled cup shaped pycnidia
which contains brown, verrucose, cylindrical
conidiophore with cylindrical, brown smooth walled
single to multiple septate conidia.
11. FAVOURABLE CONDITIONS
High humidity
Frequent rains
Moist conditions favours the development of
disease (October to December)
12. INTEGARATED DISEASE MANAGEMENT
Collect and burn the infected plant parts to minimize
the spread of the disease.
Grow resistant varieties like PKM-3.
Avoid excessive watering and provide proper
drainage in the field.
13. Deep summer ploughing.
Increase air circulation by proper training and
pruning.
Spray Mancozeb @ 0.25% or Copper oxychloride
0.2% to control the disease.
