In this article we will discuss about the natural and induced biological control of plant diseases. Biological control may be defined as any condition or practice whereby survival or activity of a pathogenesis is reduced through the agency of any other living organism except man himself, with the result that there is a reduction in […]
How to Control Plant Diseases: Natural and Induced Biological Control | Botany
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Dark Reaction of Photosynthesis: 3 Pathways | Botany
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There are three pathways of dark phase of CO2 Fixation: 1. Calvin Cycle – C3 Cycle 2. Hatch and Slack Cycle – C4 Cycle 3. Crassulacean Acid Metabolism (CAM) Cycle. Dark phase of photosynthesis i.e. CO2 Fixation. Dark reactions are dependent on Enzymes but light reactions are dependent on pigments. In Dark reaction, CO2 is […]
Light Reaction of Photosynthesis | Botany
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In this article we will discuss about:- 1. Light Reactions Evidences 2. Four Steps of Light Reaction 3. Products of Light Reaction 4. Robert Emerson’s Work & Red Drop. Light Reactions Evidences: 1) Hill’s Work with Isolated Chloroplasts: Hill (1937, 1939) and Scarisbrick (1940). If Oxidant (i.e. H-acceptor) is present with isolated chloroplast, oxidant is […]