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Phonological and growth traits of spring maize genotypes for silage production in northern Pakistan

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Research Paper 01/03/2020
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Phonological and growth traits of spring maize genotypes for silage production in northern Pakistan

Nadar Khan, Nazir Ahmad Khan, Nazir Ahmad
Int. J. Biosci.16( 3), 167-172, March 2020.
Certificate: IJB 2020 [Generate Certificate]
Key: Biomass yieldMaize genotypePhonologicalSpring

Abstract

Selection of suitable maize hybrid for quality silage production is one of the major factor that can directly affect the quality and quantity of maize silage. The current study was conducted with the aim to determine the effect of different spring maize genotypes for fresh biomass yield, phonological and growth parameter for maize silage production in northern Pakistan. Six spring maize genotypes named; quality protein maize (QPM) 200, 300, Monsanto, Pioneer-1543, 1429 and Azam local maize cultivar was evaluated in the field of Agronomy, The Agriculture University Peshawar. The seed of each genotype was sown in 12 replicate plots under RCBD design and a total of 72 plots (8 m × 10 m) were blocked in to three replicate fields. Maize seed was sown with hands on March 28, 2017, in ridges with a row to row spacing of 75 cm @ seed rate of plant population of 66000 seeds per hectare for optimal production. The repeated measure analysis of variance using the PROC MIXED procedure of SAS (SAS Inst., Inc., Cary, NC) were used for statistical analysis. The results revealed that there was a large variation (P<0.05) for all the measured parameter among spring maize genotypes. The DTF ranged from 57 to 62, DTS 61 to 65. The highest plant hight was observed at Monsanto (245cm) closely followed by QPM300 (237cm) and the lowest at Azam (183cm). The genotype QPM had the maximum number of leaves per plant (17 vs 13) and cobs per plant (1.58 vs 1.07) and. The highest fresh biomass yield (55930 kg/ha) was observed at QPM300 among the spring maize genotypes. It was concluded from the study that maize genotype QPM300 had screen out the best spring maize genotype for silage production in term of biomass yield, growth parameter and phonological characteristics in local environmental condition of northern Pakistan.

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