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Maternal Control of Oil Content in Oats (Avena Sativa L.)¹

Crossed and selfed groats from individual F₁, F₂, and parental plants of reciprocal oat (Avena sativa L.) crosses between the cultivars ‘Brave’ (approximately 7.5% oil) and ‘Garland’ (approximately 3.5% oil) were analyzed by NMR for oil content. The difference in NMR values between selfed and crossed groats produced on plants of Brave was nonsignificant. The difference between selfed and crossed groats produced on Garland was small but significant. NMR data from individual F₁ and F₂ plants showed that the similarity between crossed and selfed groats on the same panicle was due to maternal and not cytoplasmic effects. Selection for oil content among individual groats on the same plant would probably be ineffective in oats.

Key Words: NMR • Single-kernel selection • Inheritance • Crossed seed • Selfed seed

² Professor of Agronomy, University of Illinois, Urbana, Ill., and former graduate student, University of Illinois (now Research Officer, University of Ghana).

Received for publication August 17, 1972.