Growth, yield and quality of two guar (Cyamopsis tetragonoloba L.) ecotypes affected by sowing date and planting density in a semi-arid area

Maryam Mahdipour-Afra, Majid AghaAlikhani, Soleiman Abbasi and Ali Mokhtassi-Bidgoli

PLOS ONE, 2021, vol. 16, issue 9, 1-12

Abstract: The growth period, phenology, grain yield and gum content of two different guar ecotypes were studied in response to different sowing dates and plant densities. A two-year field experiment was conducted as a split-factorial in a randomized complete block design (RCBD) with three replicates in the research field of Tarbiat Modares University during 2016 and 2017 growing season. Main plots consisted of four sowing dates (May 21, June 4, June 21 and July 5 in 2016 and May 10, May 26, June 10 and June 26 in 2017), and subplots including three plant densities (13, 20 and 40 plants m-2) and two ecotypes (Pakistani and Indian). Based on findings, the phenological traits, plant height, grain yield and harvest index were significantly affected by plant density. The effect of ecotypes was statistically significant (p

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0257692

DOI: 10.1371/journal.pone.0257692

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