This article provides a practical guide in Hindi to learn about the process of growth and development in plants. एकबीजपत्री बीज एवं द्विबीजपत्री बीजों में अंकुरण का अध्ययन: परिचय: पौधों में, बीज के अन्दर भ्रूण सुषुप्ता अवस्था में बना रहता है लेकिन जैसे ही भ्रूण को नमी मिलती है वह नवोदभिद पौधे में विकसित होने लगता है । अत: ऐसी [...]
The following points highlight the top six theories of flowering. The theories are: 1. C/N Relationship Theory 2. Trace Element Nutrition Theory 3. Water Stress Theory 4. Florigen Theory 5. Floral Inhibitor Theory 6. Plant Age Theory. Theory # 1. C/N Relationship Theory: Before the discovery of photoperiodism and vernalization, a general observation made early in this century was like [...]
In this article we will discuss about Phytochrome. After reading this article you will learn about: 1. Discovery of Phytochrome 2. Structure and Biosynthesis of Phytochrome 3. Mode of Action. Discovery of Phytochrome: Phytochrome is a blue protein pigment responsible for the perception of light in photo-physiological processes. It is possibly the only photoreceptor in photoperiodism and the flowering process. [...]