e-ISSN 2231-8542
ISSN 1511-3701

Home / Regular Issue / JTAS Vol. 1 (1) Jul. 1978 / PERT-0004-1978


Relationship of Stalk Strength and Grain Yield in Maize (ZEA MAYS L.) Determined by S1 Progeny Tests

Mohamad Idris Haji Zainal Abidin

Pertanika Journal of Tropical Agricultural Science, Volume 1, Issue 1, July 1978

Keywords: Stalk Strength, Grain Yield in Maize (ZEA MAYS L .), S1 Progeny Tests

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The study had two objectives, a) to determine the interrelationship among yield and stalk crushingstrength in two maize synthetics that had undergone six cycles of recurrent selection (C6) for high stalk crushing strength and b) to compare the relative effectiveness of cyclic selection on individual plant (S0) versus progeny (S1 lines) performance in the above two maize synthetics.The base materials were the C0S1 from M0SQA, white endosperm and M0SQB, yellow endosperm. The results showed low correlations between grain yield and stalk crushing strength in all populations involving S1 progeny selection. Thus, it should be possible to breed maize with good stalk quality without substantial loss in grain yield. S1 line selection was more effective in increasing stalk crushing strength than individual (S0) plant selection. However, the former required three generations while the latter required only two.

ISSN 1511-3701

e-ISSN 2231-8542

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