Caused by : Alternaria macrospora It is one of the major bacterial diseases that can be seen in cotton crop. This disease become more severe in 45-60 days old plants. It occurs in all the stages of cotton crop SYMPTOMS We can observe small brown irregular or round spots on the leaves. Each spot is …
Weeds are the undesirable plants that can be seen in the crop fileld which interfear with the crop growth and decreases yield by 30 %. In cotton we can observe both Narrow and Broad leaved weeds.1.Narrow leaved weeds – Cyanadon dactylon, Cyperous rotundus, 2.Broad leaved weeds – Acalypha indica, Achiranthus aspera, Tridax procumbense, Phyllanthus niruri …
IMPORTANCE Cotton is originated in India. It is popularly known as WHITE GOLD. It is Backbone of textile industry. About 45% of the world fibre and 10-25% of the edible oil is met by cotton. BT cotton is effective against Bollworm pest complex of cotton. THERE ARE 2 TYPES OF COTTON BASED ON BRANCHING 1. …
We can observe number of pests in cotton. They cause severe damage in plants hence destroy the crop and finally decrease the yield. Cotton Aphids Causal organism : Aphis gossypii Symptom of damage They are mainly found on tender shoots and under surface of the leaves They causes curling in leaves Stunted growth can be …
IMPORTANT POINTS IN COTTON CULTIVATION Medium to heavy black cotto soils under rain fed situation and fertile red soils under irrigated or ID conditions are suitable for cotton cultivation. Light chalka sandy adnred soils withg no irrigation and ill drained soils are nit suitable for cotton cultivation Opotimum time for sowing 2ND fortnight of june …
Diseases of Cotton (Gossypium spp.) BACTERIAL DISEASES Bacterial Blight or Angular Leaf Spot (caused by Xanthomonas campestris pv. malvacearum). Crown Gall (caused by Agrobacterium tumefaciens). Lint Degradation or Frost Mold (caused by Pseudomonas syringae, Pseudomonas fluorescens, Erwinia herbicola or Pantoea agglomerans) FUNGAL DISEASES Anthracnose (caused by Glomerella gossypii or Colletotrichum gossypii). Ascochyta Blight or Wet …
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