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be made. Correlation studies provide an opportunity to study the magnitude and direction of association of yield with its components and also among various components. To accumulate optimum combination of yield contributing characters in a single genotype, it is essential to know the implication of the interrelationship of various characters along with standard partial correlation or regression (path coefficient). Considering these points, the present study was conducted to understand interrelationship among economic traits in sugarcane.

Twenty one crosses resulting from 7 x 7 diallel excluding reciprocal were studied to know the magnitude of heterosis over better parent and standard variety for yield and its attributing characters in rabi mungbean. The highest heterosis to the extent of 37.23% over the check Co-4 and 82.20 % over the check GBM-1 was observed in cross combination Co-4 x Meha for seed yield per plant, which also exhibited high heterosis percentage for yield and yield components. The promising hybrids viz. Co-4 x Meha, Co-4 x GBM-1, GBM-1 x Meha and Rm-9-129 x Co-4 were identified which have great potential to exploit the hybrid vigour or to isolate the desirable segregants for the development of rabi mungbean varieties with chilling tolerant ability or photo-thermo insensitivity, so as to exploit potential of rabi mungbean in heavy rainfall zone as rice fallows.

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The marine environment depends on seaweed, which is abundant in the water and plays an essential and crucial function in it. Many researchers have been studying seaweed for more than seven decades. According to our needs, research has been done separately in different aspects. There are several chemical fertilisers commercially available today, but they significantly reduce or harm soil fertility, growth, and yield. The amount of fertiliser needed by the plant or crop will determine the fertility of the soil. When compared to terrestrial foods, the seaweed fertilisers had a lot of nutrients including nitrogen, phosphate, potassium, and important vitamins. They also helped to improve biochemical components like proteins, lipids, polysaccharides, enzymes, and plant growth hormones and trace elements. Finally, this paper would be helpful to a common man and farmers to know and aware about such a great living resource which is present in and around us and their agricultural products are beneficial to our society.