Anthracnose disease infestation occurs on foliage, sorghum stalks and also on earheads'

1
Lesson 1 Anthracnose Stalk Rot
Anthracnose disease infestation occurs on
foliage, sorghum stalks and also on earheads.
The stalk rot occurs after leaves are infested.
Foliar phase of Anthracnose is more common in
humid areas , and later, plants develop stalk and
earhead symptoms. Stalk rot can be economically
important even late in the growing season.
2
Lesson 1 Anthracnose Stalk Rot
Anthracnose stalk rot can be recognized by
circular cankers, particularly in the
inflorescence (early stage of earhead
development). Infected stems when split open
show discoloration which may be continuous over a
large area, or more marbled appearance (Fig.).
3
Lesson 1 Anthracnose Stalk Rot
Management Clean cultivation, elimination of
weed hosts, removal of crop residues will help in
controlling this disease. A 2-year crop rotation
with crops other than sorghum. Growing resistant
cultivars like SPV 462, CSV 17 etc.