Vapour and fluid theory, Magnetic power theory, Preformation theory

1] Vapour and fluid theory, Early Greek philosophers speculated that the hereditary informations of parents existed in the form of vapours of fluids. Pythagoras (500 B.C.) speculated that a moist “vapour” descended from the brain, nerves and other body organs of the male during the coitus and from these vapours an embryo was formed in […]

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Plant pathogenic bacteria surviving in seeds and planting materials.

Sl.No Disease Bacteria a. Seed 1. Bacterial canker of tomato Clavibacter michiganensis subsp. michiganensis 2. Goss’s bacterial wilt and blight of maize Clavibacter michiganensis  subsp. nebraskensis 3. Bacterial wilt of bean Curtobacterium flaccumfaciens pv. flaccumfaciens 4. Bacterial brown stripe of rice Pseudomonas avenae 5. Bacterial grain rot of rice Pseudomonas glumae 6. Bacterial blight of […]

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Agriculture important PPT (Power point presentation) Files

 Agriculture important PPT (Power point presentation) Files 1 Studies on Seasonal occurrence of soybean insect pests 2 “Studies on insect pests of pigeonpea (Cajanus cajan (L.) 3 inheritance study genetic study of crop plant 4 “Studies on major insect-pest of Groundnut 5 noble prize winners in field of Genetics and plant breeding 6 Agriculture Chronology […]

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