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022 _a0367-8245
022 _a0976-058X (Online)
024 _2https://doi.org/10.18805/IJARe.A-5850
040 _aMX-TxCIM
041 _aeng
100 1 _aSingamsetti, A.
_926343
245 1 0 _aStudy on applicability of genotype × yield × trait (GYT) biplots over genotype × trait (GT) biplots in selection of maize hybrids across soil moisture regimes
260 _aHaryana (India) :
_bAgricultural Research Communication Centre,
_c2022.
500 _aPeer review
520 _aBackground: A large area of the maize production in Indo-Gangetic plains of India exposes alternative and combination of prolonged drought spells and heavy rainfall situation due to uncertainty of monsoon patterns. In such context, breeding for maize hybrids with cross-tolerant to both low and excess soil moisture stresses remain the ultimate alternative. Methods: Evaluation of 75 maize hybrids planted at Banaras Hindu University, India during the subsequent Rabi and Kharif seasons of 2017 and 2018, respectively. The hybrids were evaluated for acquiring information on inter-trait associations among yield and yield-related traits under different soil moisture regimes. The trials were planted in alpha-lattice design and managed stress was imposed and data recorded. Result: As our investigation was the evident of weak correlations among the traits studied, genotype × trait (GT) biplots are not advisable to select/ discard the genotypes under moisture stress conditions. The goodness of fit for GT biplots constructed under studied moisture conditions were almost poor because of fair to moderate correlations among the traits. To accomplish this problem of weak associations, genotype × yield × trait (GYT) technique was advisable to perform the precise selection of genotypes under studied environments. The investigation emphasized on accuracy and adequacy in implementing of GYT biplots for characterizing and selecting suitable hybrids.
546 _aText in English
591 _aSeetharam, K. : Not in IRS staff list but CIMMYT Affiliation
650 7 _aCorrelation
_2AGROVOC
_928813
650 7 _aDrought
_2AGROVOC
_91080
650 7 _aWaterlogging
_2AGROVOC
_92241
650 7 _aMaize
_2AGROVOC
_91173
650 7 _aHybrids
_2AGROVOC
_91151
650 7 _aSoil Water Content
_2AGROVOC
_99061
700 1 _aShahi, J.P.
_917507
700 1 _aZaidi, P.H.
_9862
_8INT2823
_gGlobal Maize Program
700 1 _aSeetharam, K.
_91446
773 0 _tIndian Journal of Agricultural Research
_dHaryana (India) : Agricultural Research Communication Centre, 2022.
_x0367-8245
_gart. A-5850
942 _cJA
_n0
_2ddc
999 _c65601
_d65593