The nutritive values of coix lacryma 6. effect of the growth stage on the ratio between leaf stem grain and root and chemical composition of coix lacryma

Kim, B.H.; Ahn, B.H.

Korean Journal of Animal Science 22(3): 199-206

1980


Accession: 006726394

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Abstract
The effect of growth stage on weight change and percent leaf, stem, root and grain, and their chemical composition, were studied in C. lacryma. Grass height, leaf length and leaf width at the green stage were 224, 58 and 4 cm, respectively. C. lacryma L. nearly finished growing by July 25. The ratio of leaf and stem per plant at the green stage progressively decreased and increased, respectively. The ratio of root per plant was almost constant. In the dried stage, the ratio of leaf and root per plant progressively decreased while ratios of stem and grain per plant progressively increased. Dry matter content of C. lacryma L. was 32% at the beginning of Oct., and the ratio of leaf decreased and the ratio of stem and grain progressively increased. The crude protein content of C. lacryma L. leaf by growth stage in dried stage was 20% in June and 11% in Oct., and decreased as growth stage increased. The crude fiber content was 20% in June and 32% in Oct., and increased with growth stage. The crude protein and crude fiber content of stem and root was similar to leaf values. In the green stage, the crude protein content of C. lacryma L. leaf was 2-3% and crude fiber was 3-8%. Crude protein and crude fiber of C. lacryma L. grain in the dried stage was 12-14% and 16-29%, respectively, and decreased as growth stage increased. In the green stage, crude protein and crude fiber was 2-9% and 4-14%, respectively, and increased with growth stage.