The influence of crop density on yield and the nutritive value of quinoa seeds (Chenopodium quinoa Willd.) | Uticaj gustine useva na prinos i nutritivna vrednost semena kvinoje (Chenopodium quinoa Will.)
2010
Glamoclija, Dj., Univerzitet u Beogradu, Beograd - Zemun (Serbia). Poljoprivredni fakultet | Milovanovic, M., Univerzitet u Beogradu, Beograd - Zemun (Serbia). Poljoprivredni fakultet | Vucelic-Radovic, B., Univerzitet u Beogradu, Beograd - Zemun (Serbia). Poljoprivredni fakultet | Stikic, R., Univerzitet u Beogradu, Beograd - Zemun (Serbia). Poljoprivredni fakultet | Jovanovic, Z., Univerzitet u Beogradu, Beograd - Zemun (Serbia). Poljoprivredni fakultet | Maksimovic, S., Institut za zemljiste, Beograd (Serbia)
The results showed that the crop density significantly influenced on average stem height, number of plants per runing metre and on the total grain yield. In crops with fewer plants per meter, average stem height for both cultivars was 140 cm. By amplifying the number of plants per meter, stem height amplified for 6.4%. Plots of 63 plants per meter in the crops with the fewer density were formed and in the higher density crops the number of the plants was higher for 28%. There was significant variation of stem height and number of plants per runing metre between investigated cultivars. The nutritional value of quinoa seeds has been appreciated for its protein content (12-18%), which is variable, depending of the genotypes (KVL 37 15.2% and KVL 52 17.4%) and also of the crop density. The total lipid content was 4.2% abd 4.9%, and as well as cellulose content of 9.2%, for both cultivars. However, the high nutritional importance of the seeds is that they are glutene-free and considered easy to digest. It is a good source of dietary fiber, and phosphorus and calcium. Although the quinoa cultivar KVL 37 gave the highest yield around the 32%, in comparison with the cultivar KVL 52, these seeds possessed the lower nutritional value with 2% lower proteine content.
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