An experiment was conducted at the experimental field of the Horticulture Department, Sylhet Agricultural University, during the summer season on 15 May 2017 to evaluate three photo-insensitive (summer) country bean genotypes viz., Sikribi sheem-1, Sikribi sheem-2, and SB003 under two different support systems viz, trellis and staking. This experiment was conducted in two factors randomized complete block design (RCBD) with three replications. In the case of Sikribi sheem-2, minimum days (47.50) were required for the first flowering, followed by Sikribi sheem-1(49.66) and SB003 (50.00). All the genotypes required around 80 days to first green pod harvest. Sikribi sheem-1 produced the maximum number of pods plant-1 (211.5) followed by SB003 (187.0), while it was the lowest for Sikribi sheem-2 (168.0). The green pod yield of Sikribi sheem-1 (1.19 kg plant-1) and SB003 (1.05 kg plant-1) was significantly higher than that of Sikribi sheem-2 (0.69 kg plant-1). Considering support system, a higher number of pods plant-1 (194.55) was harvested from the plant grown under the staking system than the trellis system (183.11). In the case of an interaction effect, the highest number of pods plant-1 was recorded from the genotype Sikribi sheem-1 when grown under a staking support system (220.0), and the corresponding gross margin was 2424 taka/decimal while it was the lowest for Sikribi sheem-2 when grown in trellis support system (155.66) and the corresponding gross margin was 984 taka/decimal. So growers can ensure more profit (more than 2000 taka per decimal) by cultivating Sikribi sheem-1 during the summer season in the Sylhet region, followed by SB003.

Keywords: Photo-insensitive, trellis, staking system, pod yield per plant, genotypes

The study was conducted during September 2013 to March 2014 at the experimental field of Sylhet Agricultural University with a view to characterize and evaluate the growth and yield of three exotic sweetpotato genotypes viz. SP004, SP006 and SP007 planted at three dates viz., 1 September, 1 October and 1 November 2013 following randomized complete block design (Factorial) with three replications. Growth and yield of sweetpotato were largely influenced by genotypes. The highest number of storage roots plant-1 was recorded from the genotype SP006 (4.93) which were identical to SP004 (4.44). The corresponding highest storage root yield plant-1 (381.44 g) and hectare-1 (21.01 t) was also measured from the genotype SP006 while it was the lowest for SP007 (18.03 t ha-1). Date of planting did not influence the growth and yield of sweetpotato significantly. Average storage root yield hectare-1 for 1 November planting was 20.5 t ha-1 followed by 1 October (20.13 t) and 1 September (18.36 t ha-1) planting. However, among the genotypes, SP007 yielded the highest (22.5 t ha-1) planted at 1 November followed by 1 October planting (21.9 t ha-1). Similar yield was also exhibited by the genotype SP006 which produced 21.9 t and 21.6 t of storage root hectare-1 from 1 October and 1 November planting, respectively.

Keywords: Genotypes, planting dates, sweetpotato, yield

An experiment was conducted at Pulses Research Sub-Station (PRSS), Bangladesh Agricultural Research Institute, Joydevpur, Gazipur and Regional Agricultural Research Station (RARS), Jessore, Bangladesh during kharif-1, 2014 under rain fed condition to find out the tolerant genotypes against Mungbean Yellow Mosaic Virus (MYMV) where viz. Gk – 22, SMZ – 134, VC – 3669, VC – 3960 A – 88, VC – 3960 A – 89, VC 6144, VC – 6144 (47 – 28 – 2), VC – 6148 (50 – 12), VC – 6153 – B – 20, VC – 6153 – 20P, VC – 6173, VC – 6173 B – 33, VC – 6372 – (45 – 8), VC – 6773 – B – 6, VC – 6897 and BARI Mung – 4 Mungbean genotypes were screened. It was found that the genotype VC – 6153 – B – 20 may be a wonderful source of MYMV tolerance. In the same time another experiment was carried out at Golapgonj, Sylhet and PRSS, Joydevpur for development of management package against the vector of this virus. For these reason five different treatments namely Furadan 3G, Furadan + Admire, Furadan + Neem leaf extract (NLE), Furadan + Sobicron and control were used, where Furadan treated as a basal dose. It was observed that Furadan + Admire treated plots have the lowest incidence (score – 2) of MYMV at both locations and produced the highest yields as compared to the other treatments. It is recommended that Admire can be used as a package for controlling MYMV.

Keywords: Mungbean, MYMV, genotypes, fungicides, screening