TITLE:
Influence of Weeding on the Performance of White Maize Varieties
AUTHORS:
Shammi Akter, Muhammad Abdul Mannan, Tahmina Ahmmed, Sumayea Khan, Mahrupa Tasnim, Jafar Ullah
KEYWORDS:
White Maize, Hand Weeding, Yield, PSC-121, Hybrid Variety
JOURNAL NAME:
American Journal of Plant Sciences,
Vol.12 No.7,
July
15,
2021
ABSTRACT: The experiment was conducted at agronomy farm of
Sher-e-Bangla Agricultural University, Dhaka from November 2017 to April 2018 to investigate the influence of weeding
regimes on the performance of white maize varieties. The experiment comprised
two varieties viz. YANGNUO-3000 and
PSC-121, designated as V1 and V2 respectively combined
with four weed control treatments viz. T0 = No weeding, T1 = One
hand weeding at 60 DAS (days after sowing), T2 = two
hand weeding at 40 DAS and 60 DAS and T3 = Weed
free after 40 DAS. The experiment was laid out in RCBD (factorial) with three
replications. PSC-121 showed the superior performance in terms of plant height,
leaf number plant-1, number of grains cob-1 (468.75), 100 grains weight (35.0837 g), grain
yield (8.28 t ha-1), stover yield (6.56 t ha-1) and harvest index (55.58%) over YANGNUO-3000. In the case of weed control treatments, the highest plant height, leaf number
plant-1, number of grains cob-1 (464.54), 100 grains weight (37 g), grain yield (9.25 t ha-1) and stover yield (7.46 t ha-1) were reported from T3. All the parameters studied were found
lowest with T0. However, in terms of interaction, no single
interaction was superior to other alternatives. But in most of the cases V2T3 showed the highest values regarding the maximum plant height, leaf number plant-1, number of grains cob-1 (494.97) and 100 grains weight (38 g). V2T3 showed
the highest grain yield (9.33 t ha-1), whereas, V1T0 showed the lowest grain yield
(5.49 t ha-1). The lowest weed density and weed biomass (12.17 no. m-2 and 4.33 g·m-2) was recorded from T3. The highest weed
control efficiency (94.38%) was also recorded from T3. In the case of variety V2 showed better performance in terms of weed
density, weed biomass and WCE (46.32%).