Physiological effects of irrigation on mustard growth and yield
2002
Majid, A. (National Agricultural Research Centre, Islamabad (Pakistan). Oilseeds Programme) | Simpson, G.M.
Mustard (Brassica juncea L. cv. Cutlass) was grown under three irrigation regimes (triple, double and single) as well as under dry conditions (DC) the Held to study the effect of irrigation on its growth pattern and yield. Irrigation, substantially increased the amount and distribution of dry matter of the plant. area index (LAI) reached a maximum just after the start of flowering and then lined. Triple application increased leaf and pod areas in maximizing crop-growth Rate (CGR) which increased to a maximum near early flowering and then declined. 'triple application enhanced the net-assimilation rate (NAR), by improving leaf and pod areas during seed development and increased photosynthetic efficiency of the plant. The seed yield was increased to 4002 and 3080 kg/ha under triple irrigation compared to 2551 and 2140 kg/ha under dry condition in 1991 and 1992, respectively. The water-use efficiency (WUE) was increased by 32% and 33% with triple irrigation over the single irrigation in the consecutive years.
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