EFFECT OF ROW SPACING AND DATES OF TRANSPLANTING ON YIELD PERFORMANCE OF ADVANCED RICE MUTANT (RM-40(C)-4-2-8) IN BORO SEASON OF BANGLADESH

  • M.I. Ali Agronomy Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202

    M.S. Islam Agronomy Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202

    M. Ali Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202

    A. Mahmud Agronomy Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202

    N. Aktar Agronomy Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202

Abstract

Three experiments were conducted at BINA HQs farm Mymensingh and BINA sub-station Rangpur during boro season 2018-19 and 2019-20. The objective was to evaluate the mutant line at four different dates of transplanting and three levels of spacing. The mutant line, RM-40(c)-4-2-8 was compared with two check varieties Binadhan-18, BRRI dhan28 with four dates of transplanting were January 3, January 15, February 1 and February 15 and three row spacing were 20 cm × 15 cm, 20 cm × 20cm, 20 cm × 25 cm for both locations. The effect of date, variety and spacing’s showed that transplanting date at January 15 the mutant RM-40(c)-4-2-8 produced maximum yield (5.88 t ha-1) at 20 cm × 15 cm spacing during 2018-19 in Rangpur. The effect of dates of transplanting on grain yield showed that of January 15 transplanting produced the highest grain yield (5.82 t ha-1) during 2019-20 at Mymensingh. Overall observation showed that mutant line RM-40(c)-4-2-8 yielded the best at 20 cm × 15 cm when transplanted on January 15 in Bangladesh.

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Section
Research Article