Regeneration, an all-inclusive term, embraces a wide variety of functions. In the context of animals regeneration refers to a tendency to replace the lost parts. However, unlike animal cells, plant cells even after undergoing differentiation retain the capacity to revert to meristematic state and are endowed with an inherent capacity to regenerate into entire plants. […]
Regeneration in Pteridophytes | Archegoniate Plants | Botany
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Factors Regulating Apogamy in Pteridophytes | Botany
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A number of factors are found to favour apogamous response in ferns. Some of the factors are: 1. Carbohydrate Nutrition 2. Mineral Nutrition 3. Gene Dosage 4. Light Quality 5. Hormones. Factor # 1. Carbohydrate Nutrition: Dark grown cultures of P. aquilinum do not form apogamous sporophytes even in the presence of sucrose. The increased […]
Reproduction in Cycas (With Diagram) | Gymnosperms | Botany
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In this article we will discuss about the process of reproduction in Cycas with the help of diagrams. Cycas is dioecious; but the male and female plants are indistinguishable until the appearance of male or female cone. The sex of individual plant is described to be determined by X- and Y-chromosomes. Male cone (Fig. 15.6A) […]