To make potato production more sustainable for smallholder farmers, product diversification through processing is critical. On the other hand, the processing sector mandated some stringent standards in order to maintain product quality, hence potato quality evaluations are required for chip processing industries. Specific gravity, starch, reducing sugars, tuber dry matter, and chip color are all important characteristics to consider for processing. This study was designed to find suitable potato varieties with satisfactory attributes for processing chips, in comparison with other processing potato varieties. Keeping this in mind, the study was performed during the winter season of 2019–2020 and 2020–2021 in Bangladesh. Six processing types of potato varieties viz. BARI Alu-25 (Asterix), BARI Alu-28 (Lady Rosetta), BARI Alu-29 (Courage), BARI Alu-68 (Atlantic), BARI Alu-70 (Destiny), and BARI Alu-71 (Dolly) were evaluated for different quality parameters (specific gravity, dry matter, starch content, reducing sugar, chip color, and crispiness). The result of the study showed an ample variation in the studied parameters among the potato varieties. Among the varieties, BARI Alu-28 (Lady Rosetta) and BARI Alu-29 (Courage) were found better for all the quality parameters, such as dry matter, starch, reducing sugar, chip color, and crispiness, and could be recommended for the processing industries.
Thirty-seven genotypes of Lilium were collected and evaluated under Lilium shade at floriculture Division, Horticulture Research Centre, Bangladesh Agricultural Research Institute, Gazipur during 2017-21 to characterize different species of Lilium available in Bangladesh and collected from abroad. Notable variations in different qualitative and quantitative parameters were observed among the 37 genotypes under study. Among them, 31 genotypes were found suitable for cut flowers and six (06) suitable for pot culture. The longest stalk and rachis (94.3 cm and 36.0 cm, respectively) were produced by the genotype Lil-036. The maximum number of florets per stick (10.5) was produced by BARI Lilium-1. The maximum vase life was observed in Lil-007 and BARI Lilium-2 (11.0 days), whereas the minimum in Lil-022 and Lil-026 (5.0 days). The heaviest and the largest bulbs were produced by the genotype Lil-036 (72.4 g) and (6.6 cm) respectively. Considering the length of stalk and rachis, number of florets per stick, duration of vase life, average bulb weight, the genotypes, Lil-018, Lil-021, Lil-034, Lil-035 and Lil-036 were selected for further evaluation. Bangladesh J. Agril. Res. 47(1): 39-50, March 2022
Potato breeding in Bangladesh is very challenging because it is grown in the short winter season, and flowering does not occur naturally, explaining why artificial lighting and extra care are needed. In addition, the breeding scheme is mainly focused on improving potato yield, followed by tuber quality. The goal of this study was to choose male parents, as well as the effect of environment, on flowering and fruit (berry) setting and to estimate the combining ability among promising BARI-released potato varieties in the second filial generation. Lines of seven Bangladesh Agricultural Research Institute (BARI) varieties were crossed with two BARI variety potato parents as the tester (Line × tester). The BARI Alu-86, BARI Alu-72, BARI Alu-73, and BARI Alu-53 were selected as the best male parents based on the abundance of pollen and fruit set. In both years, flower initiation days varied among clones. For the majority of the traits, such as plant height, tuber number, and yield per plant, the variance of general combining ability (GCA) and specific combining ability (SCA) varied. The inheritance of the considered trait was predominant by non-additive gene action. Concerning general combining ability, for plant height, parents ‘BARI Alu-41’ and ‘BARI Alu-53’, for stem per hill, ‘BARI Alu-79′, for tuber number, ‘BARI Alu-37’, and for yield, ‘BARI Alu-37’ and ‘BARI Alu-79’ contributed complementary favorable alleles. The specific combining ability indicated ‘BARI Alu-37’ × ‘BARI Alu-86’ and ‘BARI Alu-77’ × ‘BARI Alu-72’ were the best potential hybrid families for the production of improved genotypes of tuber yield and tuber number. This study will help to design a breeding program following potato population development and the selection of progeny before their utilization as progenitors.
The accumulation of heavy metals in vegetable and food crops irrigated by different industrial effluents is considered a consequential environmental problem in several countries such as Bangladesh, where wastewater is routinely used as a water source for irrigation of crop fields. The present investigation was conducted to assess the prevalence of different heavy metals like iron, manganese, zinc, copper, nickel, cadmium, chromium, and lead in Indian spinach irrigated with three different (pharmaceutical, beverage and dyeing) sources of industrial effluents. The results showed a considerable amount of heavy metals present in the effluent water and deposited in the soil after irrigation. The plant (root, stem and leaves) also accumulated the heavy metals from the contaminated soil. The range of different metals in effluent treated plant leaves was 177-294, 14.14-23.13, 19.15-33.99,7.53-12.49, 7.38-12.55, 0.98-1.17, 5.26-7.06, and 4.12-7.35 mg/kg for iron (Fe), manganese (Mn), zinc (Zn), copper (Cu), nickel (Ni), cadmium (Cd), chromium (Cr) and lead (Pb), respectively. The transfer factor from soil to other plant parts was highest in the root for all the three types of effluents and the transfer factor from root to other parts was more than 1 in case of copper (Cu) and nickel (Ni).
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