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The orchids are a group of extremely interesting plants which outnumber all the other plant groups in the Plant Kingdom. Numbering about 20,000 species, they exhibit pollination-related floral complexities, produce a large number of microscopic, and poorly organized seeds, and require a fungal endophyte (mycorrhiza) for their germination and growth in nature. The morphological, physiological, and genetic peculiarities inherent in this group of plants have ...
Forest trees posess behaviour similar to that of annual plants and other living organisms. Following the overwhelming success in plant breeding across the world, research programmes on tree breeding were also launched in forestry in the middle of the last century. Currently considerable knowledge has been generated in tree improvement, but there are only a limited number scientific publications collating all the available information. The Indian Council of ...