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Plants 2018, 7(4), 96; https://doi.org/10.3390/plants7040096

Effects of the Number of Seeds per Berry on Fruit Growth Characteristics, Especially on the Duration of Stage II in Blueberry

1
Graduate School of Agriculture, Meiji University, Kawasaki, Kanagawa 213-8571, Japan
2
School of Agriculture, Meiji University, Kawasaki, Kanagawa 213-8571, Japan
*
Author to whom correspondence should be addressed.
Received: 3 September 2018 / Revised: 24 October 2018 / Accepted: 31 October 2018 / Published: 3 November 2018
(This article belongs to the Special Issue Fruit Biology)
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Abstract

In present research, differences in the number of seeds per berry (NSB), berry fresh weight (BW), days to ripening from flowering (DRF), and the duration of a slow growth phase (DS II) among pollen sources were investigated in highbush blueberry (Vaccinium corymbosum). NSB, as well as BW and DRF, were significantly different among the pollen sources. Analysis of covariance (ANCOVA) with NSB as the covariate showed significant interaction between the NSB and pollen sources on BW and DRF when self-pollination was included. However, ANCOVA without self-pollination showed no significant effect of the pollen source on BW and DRF. On the other hand, DS II was negatively correlated with NSB, and no significant interaction between NSB and pollen sources was found, even though self-pollination was included. Although the relationship between NSB and DS II appeared not to be statistically influenced by the different pollen sources, there seemed to be some difference between self- and cross-pollination. DS II shortened as the NSB increased, which may have led to a decrease in DRF. View Full-Text
Keywords: self-pollination; cross-pollination; pollen source; fruit weight; fruit ripening self-pollination; cross-pollination; pollen source; fruit weight; fruit ripening
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Doi, K.; Nozaki, R.; Takahashi, K.; Iwasaki, N. Effects of the Number of Seeds per Berry on Fruit Growth Characteristics, Especially on the Duration of Stage II in Blueberry. Plants 2018, 7, 96.

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