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Fig. 1 | BMC Plant Biology

Fig. 1

From: Temperature and photoperiod changes affect cucumber sex expression by different epigenetic regulations

Fig. 1

Seasonal change in cucumber femaleness indicated by the proportion of nodes with pistillate flowers (PNPF) value was observed during consecutive years using core germplasm collections. a The box plot shows the overall range and distribution of the normalized PNPF value. The bar in the box indicates median value. There is significant difference in the PNPF mean value of the entire germplasm between spring and early autumn in a t-test. b Number of cucumber accessions showing a significant seasonal change in the PNPF according to a t-test. ns, not significant (P > 0.05). c The distribution of 359 cucumber accessions with various PNPF value in spring and autumn. Instable gynoecious/subgynoecious lines as well as stable normal monoecious lines are exceptions in cucumber germplasm and therefore are highlighted by arrows. d The linear relationship between the PNPF in spring and early autumn

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