Survey on the quality of mungbean and soybean seed used by farmers in some areas of Phitsanulok province

Wanchai Chanprasert . Faculty of Agriculture. Dept. of Agronomy

Survey on the quality of mungbean and soybean seed used by farmers in some areas of Phitsanulok province

1993

Wanchai Chanprasert (Kasetsart Univ., Bangkok (Thailand). Faculty of Agriculture. Dept. of Agronomy)

Survey on the quality of mungbean and soybean seed used by farmers in some areas of Phitsanulok province in dry season 1989/90 was found that 5 out of 15 of the seed samples were poor in quality which were lower than the minimum standard set forth in the seed legislations. Three out of 8 of the mungbean seed samples contained bruchids resulting in reduced seed germination from 75-91 percent to 21-45 percent within 3 months. 2 out of 3 of the soybean seed samples should not be used as planting materials and 2 out of 4 samples of blackgram were low in physical purity. Most of the farmers on this area normally keep their own seeds from the previous harvest or purhase from the local dealers.

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