Combining Ability and Heterosis for Kernel Yield and Yield Attributes in Maize (Zea mays L.) Article Swipe

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N. Sabitha D. Mohan Reddy , Dharmendra Kumar , P. Sudhakar Reddy ·

YOU? · · 2021 · Open Access · · DOI: https://doi.org/10.20546/ijcmas.2021.1006.021

Analysis of 45 cross combinations made in a half diallel mating and studied in Rabi, 2016-17 for yield and yield components revealed that both additive and non-additive type of gene actions with predominance of non-additive gene action was found to be important for days to 50% tasseling, days to 50% silking, plant height, SPAD chlorophyll meter reading (SCMR), cob length (cm), cob girth (cm), number of kernel rows per cob, number of kernels per row, 100 kernel weight and kernel yield per plant.The crosses viz., BML15×PDM1474, BML7×DFTY, and BML15×PDM1452 were considered as outstanding crosses as they have recorded significant positive heterosis and sca effects in the desirable condition for most of the yield contributing characters and hence can be recommended for commercial cultivation after extensive testing under different environments and locations.All other cross combinations involving good×poor, poor×good or poor×poor may be handled through heterosis breeding while the cross combinations with good×good combiners through recurrent selection programmes to develop high yielding hybrids and isolate improved inbred lines, respectively.

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Zea mays Yield (engineering) Agronomy Heterosis Kernel (algebra) Mathematics Biology Hybrid Physics Combinatorics Thermodynamics

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Type: article
Language: en
Landing Page: https://doi.org/10.20546/ijcmas.2021.1006.021
PDF: https://www.ijcmas.com/10-6-2021/N. Sabitha, et al.pdf
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Cited By: 1
References: 15
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DOI: https://doi.org/10.20546/ijcmas.2021.1006.021

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Title: Combining Ability and Heterosis for Kernel Yield and Yield Attributes in Maize (Zea mays L.)

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Language: en

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Publication year: 2021

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Publication date: 2021-06-10

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Authors: N. Sabitha D. Mohan Reddy, Dharmendra Kumar, P. Sudhakar Reddy

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Landing page: https://doi.org/10.20546/ijcmas.2021.1006.021

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Concepts: Zea mays, Yield (engineering), Agronomy, Heterosis, Kernel (algebra), Mathematics, Biology, Hybrid, Physics, Combinatorics, Thermodynamics

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