RESPONSE OF DIFFERENT POPULAR VARIETIES OF MUNGBEAN TO ZINC FERTILIZATION

Abstract

An experiment was carried out at the experimental field central Farm of Bangladesh Agricultural Research Institute (BARI), Gazipur during the period from 21 March 2018 to 12 June 2018 to find out the response of different popular varieties of Mungbean to zinc fertilization. The experiment consisted of five different Mungbean varieties, viz. V 1 = BARI Mung-4, V 2 = BARI Mung-5, V 3 = BARI Mung-6, V 4 = BARI Mung-7 and V 5 = BARI Mung-8 and two levels of Zn viz. Zn 0 = 0 Kg Zn ha -1 and

Zn 1 = 2.0 Kg Zn ha . The experiment was laid out in Randomized Complete Block Design with three replications. Among the varieties, V 3 (BARI Mung-6) showed the highest number of pods plant -1 (27.33), pod length (9.40 cm), 100 seed weight (4.88 g), seed yield ha -1 (988.80 kg), stover yield ha -1 (2361.70 kg) and biological yield ha -1 (3350.50 kg) where the lowest seed yield ha -1 (781.80 kg) was obtained from the variety V 5 1 (BARI Mung-8). The Zn level, Zn 1 ) gave the highest plant height (43.96 cm), number of pods plant (27.80), pod length (8.04 cm), number of seeds pod -1 (11.10), 100 seed

weight (4.21 g), seed yield ha -1 (941.40 kg), stover yield ha -1

-1 (2.0 Kg Zn ha -1 (2288 kg) and biological yield ha

(3229.40 kg) compared to control. Regarding, combined effect of variety and Zn, the treatment combination of V 3 Zn 1 produced the highest number of pods plant -1 (29.00), pod length (9.50 cm), 100 seed (1044.00 kg), stover yield ha -1

weight (5.06 g), seed yield ha (2483.30 kg) and biological yield ha (3527.30 kg) compared to other treatment combinations. Considering nutrient concentration in seed and stover, V 3 Zn 1 also showed better performance in respect of N, K, Zn and B content where P and S concentration in seed and stover was not significant by variety and Zn combinations. -1 - -1 -1