In this article we will discuss about:- 1. Introduction to Algae 2. Definitions of Algae 3. Characters 4. Occurrence 5. Thallus Organisation 6. Evolution of Sex. Introduction to Algae: The term algae (Latin — seaweeds) was first introduced by Linnaeus in 1753, meaning the Hepaticeae. The algae comprise of a large heterogeneous assemblage of plants […]
In this article we will discuss about the harmful and useful activities of algae. Harmful Activities of Algae: 1. Parasitism: i. As Parasite on Live Stocks: The algae of different groups like Volvocales, Chlorococcales, Cyanophyceae and several others occur in such a great abundance which makes the water colour either green or blue green and […]
The following points highlight the three main types of bio-pesticides. The types are: 1. Bio-Insecticides 2. Bio-Nematicides 3. Bio-Herbicides. Bio-Pesticide: Type # 1. Bio-Insecticides: Microorganisms like bacteria, fungi and viruses show greatest commercial importance as bio-control agents than the commercial synthetic pesticides. With the more progress of scientific achievement the bio-insecticide becomes popular in different […]
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