Yield Performance of Some White Maize Varieties in Response to Planting Spacings at Sher-E-Bangla Agricultural University Farm in Bangladesh

Asian Plant Research Journal Pub Date : 2024-04-10 DOI:10.9734/aprj/2024/v12i3249

Md. Mahirul Islam Biswas, Md. Jafar Ullah, Hasina Begum, Lutfunnaher Laila

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Abstract

The experiment were conducted at the Agronomy Field of Sher-e-Bangla Agricultural University in Bangladesh to investigate the effect of white maize variety and planting spacing on growth, yield and yield attributes. The treatments were two hybrid white maize variety viz. V1 = PSC-121 and V2 = KS-510 and three planting spacing viz. S1 = 50 cm x 25 cm, S2 = 60 cm x 25 cm and S3 = 70 cm x 25 cm. The experiment was laid out in a randomized complete block design with three replications. Results revealed that variety and plant spacing had significant effect on the studied characters and yield. The highest plant height, longest cob, highest number of kernel cob-1, the highest 100-grain weight, maximum grain yield and stover yield were observed in hybrid white maize PSC-121. On the other hand, the shortest plant, lowest number of grains cob-1, 100-grain weight, grain yield and stover yield were observed in hybrid white maize KS-510. The longest plant, highest number of kernel cob-1, the highest 100 grain weight was recorded in the spacing of 70 cm × 25 cm but lowest grain yield (7.52 t ha-1) and stover yield (9.362 t ha-1). In contrast, the spacing 50 cm × 25 cm produced the lowest values of the above mentioned plant parameters but showed the highest grain yield (9.20 t ha-1) and stover yield (11.64 t ha-1). In regard to interaction effect of variety and spacing, V1S1 (PSC-121 with 50 cm x 25 cm) interaction produced the highest grain yield (9.60 t ha-1), biological yield (21.621 t ha-1) and harvest index (46.01%). On the other hand, V2S3 (KS-510 with 70 cm x 25 cm) interaction achieved the lowest grain yield (7.36 t ha-1), biological yield (16.94 t ha-1) and harvest index (43.151%). Based on the experimental results, it may be concluded that maize (cv. hybrid white maize PSC-121) can be cultivated with a spacing of 50 cm × 25 cm for appreciable grain yield due to higher number of plant per unit area.

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孟加拉国 Sher-E-Bangla 农业大学农场一些白玉米品种的产量表现与种植间距的关系

试验在孟加拉国谢尔-班加拉农业大学的农艺场进行，目的是研究白玉米品种和种植间距对生长、产量和产量属性的影响。处理为两个杂交白玉米品种，即 V1 = PSC-121 和 V2 = KS-510，以及三个种植间距，即 S1 = 50 厘米 x 25 厘米、S2 = 60 厘米 x 25 厘米和 S3 = 70 厘米 x 25 厘米。试验采用随机完全区组设计，三次重复。结果表明，品种和株距对所研究的特征和产量有显著影响。杂交白玉米 PSC-121 的株高最高、玉米棒最长、籽粒数最多、百粒重最高、籽粒产量和秸秆产量最高。另一方面，杂交白玉米 KS-510 的株高最矮、籽粒数（cob-1）最少、百粒重最小、谷物产量和秸秆产量最高。株行距为 70 厘米×25 厘米的玉米植株最长，单粒数最高，百粒重最高，但谷物产量（7.52 吨/公顷）和秸秆产量（9.362 吨/公顷）最低。相比之下，株行距 50 厘米×25 厘米的上述植物参数值最低，但谷物产量（9.20 吨/公顷-1）和秸秆产量（11.64 吨/公顷-1）最高。在品种和行距的交互效应方面，V1S1（PSC-121，50 厘米×25 厘米）交互效应产生了最高的谷物产量（9.60 吨/公顷-1）、生物产量（21.621 吨/公顷-1）和收获指数（46.01%）。另一方面，V2S3（KS-510 与 70 厘米 x 25 厘米）交互作用产生的谷物产量（7.36 吨/公顷-1）、生物产量（16.94 吨/公顷-1）和收获指数（43.151%）最低。根据试验结果，可以得出结论：玉米（品种：杂交白玉米 PSC-121）的株行距为 50 厘米×25 厘米，单位面积上的植株数较多，因此可以获得可观的谷物产量。

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Asian Plant Research Journal

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