Data/hora: 29/06/2024 09:58:23

Biblioteca(s): | Epagri-Sede.
Data corrente: | 13/12/2022
Data da última atualização: | 13/12/2022
Autoria: | SÁNCHEZ-MORA, F. D.; SAIFERT, L.; RIBEIRO, H. N.; ROJAS-MOLINA, A. M.; BORSUK, L. J.; SANTOS, K. L.; DUCROQUET, J. P. H. J.; NODARI, R. O.
Título: | Advances on self-(in)compatibility of accessions of feijoa [Acca sellowiana (O. Berg.) Burret].
Ano de publicação: | 2022
Fonte/Imprenta: | New Zealand Journal of Crop and Horticultural Science, Londres, v. 50, p. 1-20, 2022.
Idioma: | Inglês

Conteúdo:

This present work aimed to evaluate the self-incompatibility and
self-compatibility behaviour of the Brazilian Feijoa Active
Germplasm Bank accessions. The presence or absence of the selfincompatibility 
of the accessions was accessed through hand selfpollination. Out of 210 accessions 
evaluated from 2001 to 2018, 53.3% were registered as self-incompatible, while 46.7% were
self-compatible with different degrees of self-compatibility based
on the number of formed fruits. Subsequently, the fruit set as a
result of inter-crosses between five self-incompatible accessions
were evaluated. Fifty per cent of the reciprocal crosses exhibited
similar productive efficiency based on fruit set. Self-incompatible
accessions, although compatible with each other, revealed
differences in restoration, based on the number of fruit and seeds
between reciprocal crosses. Using Spearman?s correlation (rs),
significant association between the number of seeds and fruit set
in fruits from hand self-pollination were detected in two harvests
(rs= 0.64, rs= 0.72, respectively). There was also a positive
correlation between the number of seeds and yield of pulp (%) in
hand self-pollination (rs= 0.30; rs= 0.39, P < 0.01), hand crosspollination
(rs= 0.35, rs= 0.64) and open pollination (rs= 0.58, rs=
0.72), respectively. These associations suggest that the number of
seeds could be directly related to the pulp yield and the selfcompatibility of feijoa.

Palavras-Chave: | Feijoa; Goiabeira serrana.
Thesagro: | diallel crosses; fruit set; Pineapple-guava; pollen; pollination.
Categoria do assunto: | F Plantas e Produtos de Origem Vegetal
URL: | http://intranetdoc.epagri.sc.gov.br/producao_tecnico_cientifica/DOC_55925.pdf
Registro original: | Epagri-Sede (Epagri-Sede)
Exemplares: | Epagri-Sede - (107856-1) - UPC - AP - DD -  -  -  - DIS