Response of field pea varieties (Pisum sativum L.) to sowing time in coastal West Bengal
DOI:
https://doi.org/10.59797/ija.v70i2.5772Keywords:
Field pea, Phenology, Sowing date, Thermal indices, Variety, YieldAbstract
A field experiment was conducted at Purba Medinipur Krishi Vigyan Kendra, Nandakumar, Purba Medinipur, West Bengal, India during winter (rabi) season of 2021-22 to study the effect of two sowing dates (4 November and 24 November) on phenology, growth and yield of four field pea varieties (‘IPFD 11-5’, ‘IPFD 10-12’, ‘IPFD 12-2’ and ‘IPFD 6-3’). The average phenophase duration from sowing to 50% emergence, 10% flowering, and 10% podding were 6.2, 54.1 and 63.2 days, respectively. With delay in sowing from 4 to 24 November, the growth attributes like LAI, dry matter accumulation, root length and nodulation were significantly improved. Among 4 varieties, ‘IPFD 6-3’ had greater plant vigor due to highest plant height (66.04 cm) and number of branches/plant (16.50) at 80 DAS. Genetic variation was noted in number of branches/plant (11.7-16.5), pod length (5.2-6.1 cm), number of seeds/pod (2.7-3.8) and 1000 seed weight (159.4-168.3 g). Field pea sown on 24 November had higher grain yield (785.5 kg/ha), which was 5.9% greater over early November sowing due to higher plant population (35.3 plants/m2) and 1000 grain weight (169.6 g). Based on yield performance, four varieties could be arranged as: ‘IPFD 6-3’ (818.0 kg/ha) > ‘IPFD 12-2’ (787.5 kg/ha) > ‘IPFD 10-12’ (731.5 kg/ha) > ‘IPFD 11-5’ (716.8 kg/ha).
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