Introduction About cotton Cotton diasesis

Bacterial blight: Xanthomonas campestris
At seedlings stage the cotyledons will have water soaked, circular or irregular lesions and finally the seedlings die causing the seedling blight.Small, dark green water soaked angular spots under the surface of the leaves, growing larger and larger and will be visible at both the surfaces.
 
The bacteria also infect the veins causing the vein necrosis or vein blight.
Black arm symptoms are noticed when bacteria infects on branches and stem. Premature drooping off of the leaves is common symptoms.
Severe infections of bacteria may also infect the bolls and cause boll rot.
 
Management of bacterial blight in cotton crop

Sl.No.	Product and dose	Molecules
1	Blitox, Blue copper 2-3 gm/L	Copper oxy chloride
2	Kocide -2 gm/L	Copper Hydroxide
3	Bactinash - 0.4 gm/L	2 BROMO 2 NITRO-PROPANE- 1,3 DIOL
4	Plantomycin -0.5 gm/L	Streptomycin sulphate=9% +Tetracycline Hydrochlorine=1%
5	Jatayu , Kavach 2 gm/L	Chlorothalonil
6	Neel Cu - 0.5 gm/L	Copper EDTA 12 %