STUDIES ON INTER-RELATIONSHIP BETWEEN PROTEIN CONTENT, GRAIN YIELD AND ITS COMPONENT TRAITS IN LENTIL UNDER DIFFERENT GROWTH ENVIRONMENTSR.K. Gill and Manpreet Singh
Sixteen diverse genotypes of lentil were evaluated for character association analyses under four different environments created by different planting dates and fertilizer doses during rabi 2007-08 and 2008-09 at Punjab Agricultural University, Ludhiana. The data were recorded on days to 50% flowering (DF), days to maturity (DM), plant height (PH), number of fruiting branches per plant NFBPP), number of pods per plant (NPPP), number of seeds per pod (NSPP), biological yield per ha (BY), grain yield per ha (GY), harvest index % (HI), 100-seed weight (SW) and grain protein content (GPC). The correlation study showed that under timely sown normal fertilizer conditions, DM, BY, HI, SW and GPC were positively associated to grain yield. While under timely sown high fertilizer level conditions, grain yield was positively correlated to DF, DM, BY and HI. The positive correlation of grain yield with PH, BY and SW was observed under late sown normal fertilizer level conditions. Whereas, grain yield exhibited positive association with BY and HI under late sown high fertilizer level conditions.
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