Vol. 8 No. 1
Influence of flag leaf clipping, variety and sowing dates on nutritional quality in rice [Oryza sativa L.]
Author(s): S. S. MAHESH, A.BHATT A CHARY A, M. GHOSH, A. CHAKARV ARTY, S. PAL
Abstract: Field studies were conducted in West Bengal, India, to determine the influence of flag leaf clipping (F), cultivar (V) and sowing dates (D) on the nutritive value of rice. The treatments comprised 3 sowing dates (16 July, 31 July and 13 August), 3 cultivars (PAC 832, Suruchi 5319 and PA 6444) and 2 flag leaf clipping treatments (no clipping and clipping during the flowering stage). Freshly harvested seeds were collected, dried and ground and the sugar, starch, crude protein, fat, phytic acid, potassium (K), calcium (Ca), magnesium (Mg), zinc (Zn) and manganese (Mn) contents were determined. Results showed that the D × V × F interaction had a pronounced effect on total sugar and starch contents, while crude protein content was influenced by F and crude fat content was affected by the V × F interaction. The effects of D, V and F on the Ca content were highly significant. V and F had significant effects of Mg content, while V had highly significant effects on the Zn and Mn contents.
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