Earliness in F1 hybrid muskmelons and their parent varieties

Guy Weston Bohn and Glen N. Davis

Hilgardia, 1957, vol. 26, issue 9

Abstract: Five of the F1 variety hybrids were like the averages of their respective parents in length of period from planting to first ripe fruit. Three were significantly earlier than the averages of their respective parents; one was significantly later. Only two of the hybrids were significantly earlier than their respective early parents in total growth period. The F1 hybrids exhibited responses that ranged from no dominance to apparent heterosis for early flowering, slow ripening, and short total growth. Partitioning the total growth period demonstrated that a hybrid could exhibit apparent heterosis for early maturity without exhibiting heterosis for either early flowering or early ripening. Such apparent heterosis probably resulted from dominance interactions rather than from heterozygosity per se.

Keywords: Environmental; Economics; and; Policy (search for similar items in EconPapers)
Date: 1957
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