Vol. 7, Issue 4 (2019)
Effects of plant population density on growth parameters of blackgram (Vigna mungo L. Hepper)
Author(s): Bunal Siva Rama Raju, Pakalpati Satyanarayana Raju, Chandaka Deepthi and Mandapati Roja
Abstract: Blackgram (Vigna mungo L. Hepper) is an important pulse crop grown widely in India. The grain is consumed by humans as ‘dal’ and is used to cook several delicacies. The stover is used as a nutritive fodder for milch cattle. The effects of plant population density on black gram plant growth and development were studied in an experiment during rabi 2018-19 on the sandy loam soil at Bagusala Farm (23o39’ N latitude, 87o42’ E longitude), M.S. Swaminathan School of Agriculture, Gosani Block, Gajapati District, Odisha. The experiment was layed out in a randomized complete block design with five replications. The plants of the blackgram variety PU-30 spaced 8, 10, 12, and 14 cm within rows 60 cm apart formed the four treatments. The growth parameters, viz plant height, branches/plant, leaves/plant, and plant dry weight were measured at 15, 30, 45 and 60 days after sowing, and LAI and CGR were calculated. Plant dry matter of blackgram was affected by plant spacing. The maximum dry matter was recorded at 30, 45, and 60 DAS in 8 cm spacing and the minimum in 14 cm. The plant dry matter increased with decreased plant spacing from 14 to 8 cm. The closer spacing of 8 cm x 60 cm, corresponding to a plant density of 2,08,333 plants/ha, gave higher crop growth rate of the black gram variety PU-30 during the rabi season compared to the wider spacings of 10 cm x 60 cm, 12 cm x 60 cm, and 14 cm x 60 cm, corresponding to plant densities of 1,66,666, 1,37,500, and 1,16,666 plants/ha, respectively.
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How to cite this article:
Bunal Siva Rama Raju, Pakalpati Satyanarayana Raju, Chandaka Deepthi, Mandapati Roja. Effects of plant population density on growth parameters of blackgram (Vigna mungo L. Hepper). Int J Chem Stud 2019;7(4):1693-1695.
