Bacterial blight disease: Causal organism: Xanthomonas Oryza. Symptoms: Following the different stages symptoms of bacterial blight disease in rice plant a. On seedling- · initially leaves turn greyish green and roll up later on leaves turn yellow to straw colour. · Finally leaves die leading to witting / death of seedling. · The symptoms of…
Sheath Blight Disease Causal organism: Rhizoctonia Solani Kuhu. Symptoms: · In sheath blight disease of rice, the leaf discoloration starts from tip. · Leaf become yellow or orange yellow. · Rust colour spots develop on the leaf sheath specially on the leaf near of water line. · Special resting structure sclerotia are formed on these…
False Smut Disease: Causal organisms: Ustiloginoidea virens Symptoms: · False smut disease symptoms are seen on panicle stage. · Individual grains are transformed into mass of yellow coloured spore. · Only few grains in panicle are affected and remaining are normal. · Initially these smut walls are small and later on it increase…
BROWN SPOT DISEASE Causal organism: Helminthosporium Oryzae / Drechslera Oryzae Symptoms: · Brown spot disease symptoms in rice occurs on nursery as well as on main crop. · Round or oval brown colored spots are formed on the leaves. · Spots measures 0.5-2.0mm in breath and resemble sesame seeds. · Spots are eye shaped…
RICE BLAST DISEASE: Causal Organism= Pyricularia oryzae cavara Symptoms= · The rice blast disease fungus may attack the crop at all level of crop development. · These symptoms appear on leaves, nodes, rachis, and glumes. · Minute brown specks on the leaves that grown to become larger brown spots. · Orange- yellow tips on older…
WHEAT CROP v Scientific name= Triticum aestivum L v Origin= South-west Asia. v Area Distribution= · In all over world: China, India, Russian federation, USA, France, Canada, Germany, Pakistan, Australia, Turkey. · In India: UP, Punjab, Haryana, MP, Rajasthan, Bihar, Gujarat, Maharashtra, Uttaranchal and West Bengal. v Species: a) Common wheat (T. aestivm): · most…
Icar-AIEEA exam eligibility criteria 2023 for ug courses Note- The Eligibility criteria is taken from last year analysis and the exact ICAR AIEEA 2023 UG eligibility will be notified when the application form 2023 will be out Factor Icar AIEEAE Eligibility criteria 2023 AGE Limit Candidate must be least 16 years of…
WILT DISEASE: Causal Organism= Fusarium udum Symptoms= · Wilt disease may appear from early stages of plant growth up to flowering and podding. · The disease appears as gradual withering and drying branches and finally death of plant. · Yellowing of leaves and blackening of stem starting from collar to branches which gradually…
Black Arm Disease or Bacterial Blight Disease or Angular Leaf Spot disease: Black Arm disease Causal Organism= Xanthomonas compestris pv. malvacearum Black arm disease Symptoms= Black arm disease of cotton, the bacteria attack all stages from seed to harvest usually five common phases of symptoms are notices. They are following: A. Seedling Blight= · Small,…
GRAIN MOLD DISEASE: Causal Organism= Botrytis cineria Symptoms= · Lack of pod setting in first indication of the grain mold disease attack. · May be attacked at any growth stage. · First appear as a soft rot at the base of stem in the collar region. · Affected tissue become covered with a fluffy grain…
