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Maize seed pours from a hopper at small seed company Bidasem | by CIMMYT
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Maize seed pours from a hopper at small seed company Bidasem

Maize seed pours from a hopper in the seed processing plant at Bidasem. After the seed is initially cleaned and sorted, the sorted seed—three sizes of “planos”, or flat seeds, and three of “bolas”, or round seeds—goes into six hoppers, each with a maximum capacity of one-and-a-half tons. Before processing can continue, a sample is taken from every hopper for quality control, and must contain less than 2% impurities to pass. The different sizes of seed are released from their hopper and treated and packaged one by one, to avoid them getting mixed up.


Bidasem is a small seed company based in the central Mexican plains region known as the Bajío. It produces approximately 10,000 bags of maize seed a year, each holding 22.5kg, as well as producing wheat and oat seed and marketing seed of other crops. Despite their small size, Bidasem and similar companies play an important role in improving farmers’ livelihoods. “Our aim is to provide farmers with quality seed at accessible prices, that is adapted to the conditions we have here in the Bajío. It’s a great satisfaction, when farmers achieve the yields they need,” says director general María Esther Rivas.


“Without CIMMYT, we couldn’t exist,” says Rivas. She sells four different maize hybrids, all formed from freely-available CIMMYT parent lines. “Really the most important thing is to produce your own hybrids, and for us it wouldn’t be possible if we didn’t have the germplasm from CIMMYT. What we’re currently producing is 100% CIMMYT.” The relationship between Bidasem and CIMMYT is now deepening through participation in the MasAgro initiative, which includes training courses for seed companies and collaborative trials to evaluate the best seed.


Photo credit: X. Fonseca/CIMMYT.


For more on seed production at Bidasem, and CIMMYT's role in providing the best seed, see CIMMYT's 2012 e-news story The seed chain: producing better seed for small farmers, available online at:

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Taken on February 9, 2012