agrostab

Statistical procedures to perform stability analysis in plant breeding and to identify stable genotypes under diverse environments. It is possible to calculate coefficient of homeostaticity by Khangildin et al. (1979), variance of specific adaptive ability by Kilchevsky&Khotyleva (1989), weighted homeostaticity index by Martynov (1990), steadiness of stability index by Udachin (1990), superiority measure by Lin&Binn (1988) doi:10.4141/cjps88-018, regression on environmental index by Erberhart&Rassel (1966) doi:10.2135/cropsci1966.0011183X000600010011x, Tai's (1971) stability parameters doi:10.2135/cropsci1971.0011183X001100020006x, stability variance by Shukla (1972) doi:10.1038/hdy.1972.87, ecovalence by Wricke (1962), nonparametric stability parameters by Nassar&Huehn (1987) doi:10.2307/2531947, Francis&Kannenberg's parameters of stability (1978) doi:10.4141/cjps78-157.

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