Early-inbreeding depression in Vaccinium myrtillus and V-vitis-idaea

Guillaume, Patricia;Jacquemart, Anne-Laure
(1999) 15th International Congress on Sexual Plant Reproduction — Location: Wageningen, Netherlands

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Abstract
Fertility parameters were estimated in Vaccinium myrtillus and V. vitis-idaea after self- and cross-pollinations performed in growth chamber. We showed a drastic decrease in fertility after self-pollination as compared to cross-pollination. Number of plump seeds per berry was compared with previous field data. In both species, growth room conditions improved plump seed number after cross-pollination but not after self-pollination. In addition, in order to enhance resources supply to young developing fruits, cytokinin application was tested in V. myrtillus but no effect was detected. We hypothesize that the partial self-sterility is due to inbreeding depression based on the expression of recessive lethals.
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Guillaume, P., & Jacquemart, A.-L. (1999). Early-inbreeding depression in Vaccinium myrtillus and V-vitis-idaea. Protoplasma : an international journal of cell biology, 208(1-4), 107-114. https://doi.org/10.1007/BF01279080 (Original work published 1999)