PJB-2021-592
PERFORMANCE OF CHICKPEA (Cicer arietinum L.) UNDER TREATMENTS OF ROCK-PHOSPHATE AND PGPR
Maaz Ullah
Abstract
A field experiment was carried out at The Agronomy Research Farm of The University of Agriculture Peshawar, during rabi season 2020-21 to find out the impact of rock phosphate (RP) and phosphorus solubilizing bacteria (PSB) on growth and yield components of chickpea using variety Karak 1. The experiment was laid out in randomized complete block design with RP in main plot and PSB in subplot. The analyzed data revealed non-significantly effect of RP levels and PSB inoculation on days to emergence. PSB inoculation showed significantly effect on emergence per m2 while RP was recorded with non-significant impact. Physiological maturity showed significant response to RP while effect of PSB was non-significant. Besides that, all other parameters including days to flower initiation, nodules per plant, nodules weight per plant, plant height, number of pods per plant, seeds per pod, thousand grain weight, biological yield and grain yield recorded in the experiment were significantly affected by RP levels and PSB inoculation except harvest index in which PSB affect was non-significant. Thus, RP 500 kg ha-1 application enhanced days to flowering initiation (104), days to physio-maturity (152) increased nodules per plant, nodules weight per plant (1.86 g), plant height (59 cm), number of pods per plant (49), seeds per pod (1.79), thousand grain weight (231 g), biological yield (5507 kg ha-1), grain yield (1899 kg ha-1) and harvest index (34.48 %). Likewise, inoculation of PSB consortium 2 (Cellulomonas sp., Alcaligenes sp. Pseudomonas sp.) enhanced days to flowering initiation (105) increased emergence per m2 (25), nodules per plant (22), nodules weight per plant (1.76 g), plant height (55 cm), number of pods per plant (46), seeds per plant (1.63), thousand grain weight (226 g), biological yield (5352 kg ha-1) and grain yield (1735 kg ha-1). Based on the outcomes of the current experiment it is concluded that RP 500 kg ha-1 and consortium 2 of PSB may maximized growth and yield attributes and hence recommended for higher production of chickpea in simi arid regions.
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