Read this article in Hindi to learn about the structure of lichens, explained with the help of a suitable diagram. लाइकेन वनस्पति नम चट्टानों, पेड़ों की छालों आदि पर चट्ठे के समान दिखाई देते हैं । यह वनस्पति एक ऐसा समूह है जिसमें एल्गी एवं फन्जाई समूह के तन्तु एक साथ रहकर सहजीवता प्रदर्शित करती हैं । प्राय: एस्कोमाइकोटा या [...]
In this article we will discuss about the economic importance of lichens. A. Useful Aspects: (a) Ecological significance: (i) Pioneer colonizers: Lichens are said to be the pioneers in establishing vegetation on bare rocky areas (lithosere). They are the first members to colonize the barren rocky area. During development they bring about the disintegration of rock stones (biological weathering) by [...]
In this article we will discuss about the vegetative, asexual and sexual methods of reproduction in lichens. Vegetative Reproduction: (a) By Fragmentation. Death and decay of older parts of the thallus produce smaller pieces which give rise to new thallus. Sometimes the broken pieces (fragments) develop into new thalli, provided they contain both the algal and fungal components. (b) By [...]