RESPONSE OF DIFFERENT PIGEONPEA CULTIVARS AT VARYING LEVEL OF ROW-SPACINGS DURING PRE-RABI SEASON UNDER MIDDLE GUJARAT CONDITION
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Date
2004
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AAU, Anand
Abstract
An experiment was conducted at the College Agronomy Farm, Anand Agricultural University, Anand to study "Response of different Pigeonpea cultivars at varying level of row spacings during pre-nrfn season under middle Gujarat condition". The soil of the experimental plot was loamy sand in texture having good drainage, low in available nitrogen, medium in available phosphorus and kdxly rich in potash with neutral in reaction. Nine treatment combinations comprising of three different pigeonpea cultivars (ICPL-87, C-11 and BDN-2), and three levels of inter row spacing (30 x 15 cm, 45 x 15 cm and 60 x 15 cm), were tried under Factorial Randomized Block Design with four replication. A common dose of 25 kg N, 50 kg P2O5 and 40 kg S per hectare through Urea, DAP and Gypsimi were applied in furrows before sowing to fulfill requirement of nitrogen, phosphorus and sulphur respectively. The results revealed that seed yield was significantly influenced by different cultivars. V2 (C-11) gave significantly highest seed yield (2956 kg ha 1) as well as stalk yield (3248 kg ha-1), over rest of the cultivars. While, cultivar V1 (ICPL-87) produced significantly higher gotar yield (1983 kg ha-1). The differences in morphological parameters and other yield attributes viz., plant height at 90 DAS and at harvest, number of branches per plant, days to 50% flowering, days to maturity, number of pods per plant, number of seeds per pod, pod length (cm) and protein content of grains were significant due to different pigeonpea cultivars. The cultivars V1 (ICPL-87) showed early maturity among all the cultivars while, the highest protein content of grains was recorded by the cultivars V2 (C-11). The differences in seed yield was significant due to different inter row spacing. Narrow row spacing of S1 (30 x15 cm) produced significantly highest seed yield (2594 kg ha-1), stalk yield (2977 kg ha-1) and gotar yield (2083 kg ha-1). Increasing inter row spacing from 30 to 60 cm resulted in progressive improvement in number of branches per plant, number of pods per plant, seed yield, stalk yield, gotar yield and protein content of grains. While the plant height, days to 50% flowering, days to maturity, number of seeds per pod, pod length (cm), 100-seed weight was not significantly influenced by different inter row spacing treatments. During course of the investigation, interaction effect of cultivar x row spacing were found significant for number of branches per plant, number of pods per plant, stalk yield (kg ha-1) and protein content which revealed that treatment combination of C-11 with inter row sparing of S3 (60 x 15 cm) recorded highest number of branches per plant, number of pods per plant, protein content of grains and also recorded highest stalk yield with inter row spacing of S1 (30 x 15 cm). The trend in respect of net realization and C.B.R was favourable with the cultivar C-11 and inter row spacing of 30 cm. In light of the results obtained from this investigation, it is revealed that the cultivars C-11 with inter row spacing of 30 cm was best for getting maximum yield and net profit from pigeonpea in pre rabi season under middle Gujarat Agro-Climatic conditions.
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AGRONOMY, AGRICULTURE, A STUDY