Abstract
The conventional rice production system of Pakistan is escalating due to the higher level of labor involved, shortage of water and higher cost of production due to the rapidly increasing cost of energy resources. Dry direct seeded aerobic rice (DDSAR) is a valuable option to ease the problem of labor, water, and energy resources. In this study, screening of four rice varieties of conventional transplanted rice was evaluated under DDSAR in terms of yield, milling recoveries, grain and cooking quality. Four rice cultivars, viz; Super Basmati; Basmati 2000; Basmati 515 and PS-2 were sown at the Research Station of the Engro Fertilizers, Sheikhupura, Pakistan during three consecutive summer seasons (2016 to 2018). The sowing was accomplished in well prepared dry fields. Each variety performed well in terms of yield and quality traits in DDSAR but in terms of yield, Basmati-515 outperformed the other varieties and showed consistency in yield for three consecutive years of cultivation. PS2 also gave yield statistically similar to Basmati-515 but maximum cooked grain length (17.1-17.5 mm) and grain elongation ratio (1.69-1.7) was recorded for PS-2. In contrast to other varieties, the minimum head rice percentage (40.5-43.5%) was recorded in PS-2 cultivar besides having the second-highest total milled rice percentage (50.5-73.4%) after Basmati-515 (81.0- 82.8%). DDSAR did not affect the cooking quality of rice except bursting. In crux, the cultivation of low land rice cultivars under DDSAR not only maintained or increased the grain yield but also the grain and cooking quality of rice.
Muhammad Ishfaq. (2021) SCREENING AND ADAPTABILITY OF RICE VARIETIES FOR YIELD, MILLING RECOVERIES, AND QUALITY TRAITS UNDER DRY DIRECT-SEEDED RICE, Pakistan Journal of Agricultural Sciences, Volume 58, Issue 2.
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