Evolutionary history of plants seed model is shared by basically all gymnosperms (literally: "naked seeds"), most of which encase their seeds in a woody cone or fleshy aril (the yew, for example), but none of which fully enclose their seeds. The angiosperms ("vessel seeds") are the only group to fully enclose the seed, in a carpel. Fully enclosed seeds opened up a new pathway for plants to follow: that of seed dormancy. The embryo, completely isolated from the external atmosphere and hence protected from desiccation, could survive some years of drought before germinating. Gymnosperm seeds from the Late Carboniferous have been found to contain
Haryana Seeds Development Corporation Development Corporation has six Seed processing plants at Umri, Hisar, Sirsa, Yamuna Nagar, Tohana and Pataudi in Haryana state. HSDC has one Marketing Office at Bhiwani, Haryana and 74 Sale Counters. In year 2013, Managing Director Khemka has demand of Central Bureau of Investigation inquiry on purchase nearly 10,000 tonnes of wheat seeds from private suppliers, which was started on 18 October 2013. HSDC has received the "Second Best Productivity Performance Award" from National Productivity Council of India in the year 2004. Haryana Seeds Development Corporation Haryana Seeds Development Corporation is an Indian state government undertaking company, established in the