Effect of split doses of nitrogen and seed rate on protein content, protein fractions and yield of wheat
2009
Madan, Hitesh Shashi | Munjal, Renu
A semidwarf, high yielding with good quality traits Wheat variety viz. WH 711 was evaluated to study the effect of seed rate and nitrogen application (in split doses) on protein, protein fractions and yield of wheat. The results showed that splitting of recommended dose of nitrogen recorded higher total protein content (12.68%) as compared to control (10.23%). Similarly more true protein content was observed with split dose of N application (10.8%) as compared to control (7.8%). Among different fraction of proteins, the albumin fraction increased with increase in seed rate while prolamin and glutenin fractions remained unaffected. The albumin and the globulin fractions increased with splitting of nitrogen however, prolamin and glutenin fractions remained unaffected. Composition of high molecular weight glutenin subunits (HMW- GS) was determined by SDS-PAGE. The grain yield increased with increase in split doses of nitrogen and seed rate. Grain yield was significantly higher at 125 kg/ha and 112.5 kg/ha as compared to 100 kg/ha seed rate. Splitting of recommended dose of nitrogen increased the grain yield by 4.1%.
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