Botany

Protoplasm

Protoplasm is a term used to indicate the living matter of the cell which includes the cytoplasm and the nucleus. It is a colourless colloidal suspension of lipids and proteins in water. It was put forward in the year 1835 and was primarily considered as the ground substance of the cell. But these days, two …

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Floral Diagram

The floral diagram is a diagrammatical description of the properties like arrangement, position, structure, aestivation, connotation and adnation of the floral components. It was first introduced in the 19th century by the scientist named August Wilhelm Eichler. A floral diagram illustrates the different floral components by the characteristic symbols. It has a circular outline. There …

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Life Cycle of Achyla

The life cycle of Achyla species involves asexual or sexual modes of reproduction. The genus Achyla includes approximately 47 species and belongs to the group of oomycetes or water mould. Few species of Achyla are phytopathogens like Achlya conspicua and Achlya klebsiana. Most of the Achyla species are aquatic, while a few grow on damp …

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Late Blight in Potato

Late blight in the potato is a plant disease caused by the pathogenic fungus Phytophthora infestans. It is a potentially devastating disease that primarily affects potato crops but can also be seen in the members of the Solanaceae family, including tomatoes, petunias and hairy nightshades. Phytophthora infestans is a plant pathogen, which can severely affect the …

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Pericarp

A pericarp is a fraction of the fruit that constitutes the outer layer in the fruit anatomy, which encloses the seed. It develops from the flower’s ovary and surrounds the seed that develops from an ovule after the flower’s fertilization. Pericarp can be squishy or sapless. The pericarp constitutes the edible tissue of fruit. Exocarp, …

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Difference Between Vascular and Nonvascular Plants

The difference between vascular and nonvascular plants is mainly characterized based on the presence or absence of vascular tissues and their categorization in the plant taxonomy. The presence or absence of vascular tissue distinguishes the vascular plants containing lignified vascular tissues from the nonvascular plants that lack a specialized vascular system. The translocation of food, …

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Life Cycle of Bryophytes

The life cycle of bryophytes has two alternations of generations, one is haploid gametophyte generation, and the other is diploid saprophytic generation. In both the life cycle, the bryophytes possess different morphology and physiological functions. The haploid gametophyte phase lasts longer or dominates the diploid saprophytic phase between these two alternations of generations. Heterosporous bryophytes …

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