Introduction About cotton Cotton diasesis



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COTTON DISEASES CAUSED BY FUNGI AND MEASURES TO COMBAT THEM

Viral Infections
Leaf Curl
 
Leaf curl disease of cotton crop is caused by “gemini virus” and which is transmitted by Whiteflies [Bemacia tabaci]. The first symptom appears on the younger leaves turning thick and forming cup shaped. Plant growth and development will be obviously stunted and boll number and size is less.
Tobacco Streak Virus
 
Ring like irregular purplish necrotic spots of leaves. The plants are stunt and leaf will be decreased.
 Management of Viral infections
Proper nutrient management practices, addition of lot of organic matter in to the soil to maintain required organic carbon and increase the microbial activity. Management of whiteflies to prevent spread of the disease.
V-Bind 3 mL/ L ; Ezee cotton 1 mL/L; Perfekt 1 mL/L; Viral out 1 gm/L Any one at one time spray may be administered to manage the viral diseases along with Magnum Mn 0.5 gm/l. However the insecticides which controls the whitefly population is must to avoid the spread. The above
  with
Most importantly the nutrient management with all essential elements may provide the strength to cotton plants to resist against the delay viral infections.
Ahaar 2 mL/L; Multiplex Kranti 2 mL/

The supplement of plant growth stimulants like Gibberellins, cytokinins, amino acids and other growth regulators will also provide the disease resistance in addition to the increase in the yields.
Gibrax SP 186 1 gm/L; Multiplex Falcon 1.5mL/L; Imuen Plant booster 2-3 mL/L; Chamak 3 gm/L
 

REFERENCES
 Nagrale, D. T, Gawande, S. P, Gokte-Narkhedkar, N., & Waghmare, V. N. (2020). Association of phytopathogenic Pantoea dispersa inner boll rot of cotton (Gossypium hirsutum L.) in Maharashtra state, India. European journal of plant pathology, 158, 251-260. doi: 10.1007/s10658-020-02071-0
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