Abstract
Effectiveness of Integrated Weed Management in Five Varieties of Aromatic Rice in Bangladesh
Highlights
Thousands of rice land races are considered to exist in Bangladesh (Haque and Miah, 1990)
Bensulfuran methyl + acetachlor @ 750 g ha-1 was used as pre -emergence herbicide and pyrazosulfuran ethyl @ 125-150 g ha-1 was used as post-emergence herbicide
Based on the summed dominance ratio (SDR) values, grass weed species Echinochloa crusgalli (SDR of 42.5) was the most dominant species in the weedy plot followed by the broadleaf weed Monochoria vaginalis (SDR of 25.1)
Summary
Thousands of rice land races are considered to exist in Bangladesh (Haque and Miah, 1990). Each of them possesses some special characteristics. Some of these are unique for quality traits including fineness, aroma, taste and protein contents. Bangladesh has a stock of above 8,000 rice germplasms of which nearly 100 are aromatic (Islam et al, 2016). Cultivation of this rice has been gaining popularity in the country over the recent years, because of its huge demand both for internal consumption and export (Das and Baqui, 2000). Some aromatic fine rice varieties being cultivated in Bangladesh are of international standard and attracting the buyers in the global markets. The yield of aromatic rice was lower (1.5–2.0 t ha-1)
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