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 few grow on damp soil. …
Late blight in potato is a plant disease caused by the pathogenic fungus, Phytophthora infestans. It is a potentially devastating disease that primarily found in potatoes but can also be seen in the members of the Solanaceae family, including tomatoes, petunias and hairy nightshade etc. Phytophthora infestans is a plant pathogen, which can severely affect …
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, as a result of plant fertilization. Pericarp can be squishy or sapless. It is the edible tissue of fruit …
Holy Basil has been used from ancient times to boost up the immune system or to cure many bacterial, fungal, and viral infections. It is commonly known by the name of tulsi, and its biological name is Ocimum tenuiflorum. In today’s pollutant environment, people get easily prone to many infections and diseases, where tulsi has …
Difference between vascular and nonvascular plants is mainly due to the following factors: Vascular tissue: Its presence or absence distinguishes the vascular plants containing vascular tissue from the nonvascular plants those lack vascular tissue. The translocation of food, water and minerals is facilitated by the coordination of vascular vessels within root and stem. Plant taxonomy: …
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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. Between these two alternations of generation, the haploid gametophyte phase lasts longer or dominates the diploid saprophytic phase. Gametophytes (male …
Difference between succulents and cacti is mainly due to the following factors like: Presence of areole: Areole is a specialized structure from which spines, flowers, or fruits develops. Its presence is the characteristic feature of all the cactuses, while unusual in succulents. Phenotypic traits: All the cactuses are only having the stem, whereas succulents possess …
Lichens are the complex organisms that show a mutualistic relationship between fungi and algae by possessing characteristics of both. These show polymorphism, as it exists in diversified forms (sometimes plant-like) with different colours, sizes, texture etc. Lichens are not plants, but sometimes these appear as tiny leafless branches or as flat leaf-like structures etc. In …
Mesophytes represent the group of plants that can neither grow in the complete aquatic habitat nor the dry or water-scarce conditions. They are the land plants showing features similar to both hydrophytes and xerophytes. They grow under favourable conditions, where the concentration of water and temperature are not too high and not too much low. …
Adaptations in hydrophyte are of three kinds, ecological, physiological and anatomical. To survive in the aquatic habitat, hydrophytes modify their structures like leaves, stem, roots and the physiology of the cells to adapt themselves according to the different aquatic habitats like freshwater, marine water, lakes, ponds. The adaptations in hydrophyte depend upon the conditions like …