Heterosis and Inbreeding Depression for Yield and Yield Attributing Traits of Maize (Zea mays L.)
Surendra Kumar, Lokendra Singh, R K Yadav, Anuj Mishra, Keshav Babu, Ravi Dixit, Chandramani Kuswaha
International Journal of Plant & Soil Science · pp. 93–102 · Published 3 Oct 2024
10.9734/ijpss/2024/v36i105057Abstract
In present Investigation 45 single cross hybrids were evaluated along with their parental lines and checks heterosis and inbreeding depression. The standard heterosis, the hybrid combinations DI- 123 x DI- 111(91.11), DI- 121 x DI- 117 (80.82), DI- 121 x DI- 111(80.33), DI- 121 x D- 56 (78.33), DI- 123 x DI- 117 (74.10), DI- 122 x D- 52(70.23), DI- 121 x D- 52 (67.04) and DI- 117 x D- 56 (62.24) were identified as best for grain yield per plant (g) and some of the yield contributing traits. Maximum inbreeding depression was obtained from DI- 111 x DI- 118 (61.50) for grain yield per plant (g).
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