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Observations reveal lower seed weight in selfed onion flower heads, suggesting breeding challenges for pure lines.
For breeding pure lines in onion.the flower heads were selfed at the Agricultural Research Station Hagari,in the season 1934.In the selfed heads very poor setting was observed and the weight of the seed also was found to be much lower than that obtained from the non-selfed.
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Vijayaraghavan et al. (1937) studied this question.
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