Physiology of Legume Grain in Informal Markets Used As Seed: Implications for Food and Nutrition Security

Ncube O.¹, Ndlovu E¹ and Maphosa M^1,

¹Lupane State University, Department of Crop and Soil Science, Box AC255, Bulawayo, Zimbabwe

Cite this paper:
Ncube O., Ndlovu E and Maphosa M. Physiology of Legume Grain in Informal Markets Used As Seed: Implications for Food and Nutrition Security. Journal of Food Security. 2016; 4(6):126-130. doi: 10.12691/jfs-4-6-1

Abstract

Grain legumes are a key source of nitrogen-rich edible seeds, providing a wide variety of high-protein products that constitute the major source of protein in the diets of the poor within the smallholder farming sector in Zimbabwe. However, low yields are realised in these legumes due to a variety of reasons that include poor quality planting material, biotic and abiotic factors. Understanding of physiology of legume grain in local markets will bring to light the planting worth of grain from these self pollinated crops and help to strengthen approaches to improve legume yield culminating in food and nutrition security for smallholder farmers particularly in drought prone Matabeleland region of Zimbabwe. The objectives of this study were to evaluate grain of selected legumes from local markets for physiological attributes critical for crop establishment and to assess the emergence of legume grain from local markets under field conditions. The experimental design adopted was a two-factorial in a Randomised Complete Block Design. Treatments in the experiment comprised of four legume species, Arachis hypogea, Vigna unguiculata, Vigna subterrenea, Phaseolus vulgaris and four markets around the city of Bulawayo which is the key market in Matabeleland region. The results indicated poor vigour, low germination percentage, low viability and marked incidences of seed borne diseases in all the samples assessed. In addition, there was no significant difference (p>0.05) between grain sourced from the local market and seed sourced from the commercial market. Poor quality legume planting material available predisposes smallholder farmers to low yields and food insecurity. Accordingly there is need to foster investment in research, development and introduction of quality legume seed that guarantees increased plant performance.

Keywords:
crop establishment informal markets seed systems seed vigour

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