2003Unpublished venueRequires access

Heterosis in Sunflower

N. Manivannan, V. Muralidharan, B. Subbalakshmi

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Abstract

Forty six hybrids of sunflower obtained from 5 cms lines (2A, 5A, 207A, 234A and 821A) and 19 genotypes were evaluated for their days to 50% flowering, plant height, head diameter and seed yield/plant. The hybrid 207 A x 234 B and 234 A x TNAUSUF 15/1 recorded 142 and 116 percent as standard heterosis, respectively for seed yield per plant. Therefore, these two hybrids could be recommended for large scale evaluation.

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What this paper is about

Forty six hybrids of sunflower obtained from 5 cms lines (2A, 5A, 207A, 234A and 821A) and 19 genotypes were evaluated for their days to 50% flowering, plant height, head diameter and seed yield/plant. The hybrid 207 A x 234 B and 234 A x TNAUSUF 15/1 recorded 142 and 116 percent as standard heterosis, respectively for seed yield per plant. Therefore, these two hybrids could be recommended for large scale evaluation.

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Available abstract

Forty six hybrids of sunflower obtained from 5 cms lines (2A, 5A, 207A, 234A and 821A) and 19 genotypes were evaluated for their days to 50% flowering, plant height, head diameter and seed yield/plant. The hybrid 207 A x 234 B and 234 A x TNAUSUF 15/1 recorded 142 and 116 percent as standard heterosis, respectively for seed yield per plant. Therefore, these two hybrids could be recommended for large scale evaluation.

Key concepts: Heterosis, Sunflower, Hybrid, Forensic science, Yield (engineering), Biology, Veterinary medicine, Horticulture

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