apetalous


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Related to apetalous: apetalous flower

apetalous

[‚ā′ped·əl·əs]
(botany)
Lacking petals.
References in periodicals archive ?
At both Gottingen and Hangzhou, approximately one-fourth of the plants in B[C.sub.11] were partially apetalous and the others had normal petals.
To explain these results, we conclude that the apetalous character in ap-Tengbe is regulated by interaction of cytoplasmic genes and two nuclear genes.
The genetic analysis of the apetalous character in the ap-Tengbe mutant was based on the rating scale proposed by Buzza (1983).
The observed segregation ratio in R-[F.sub.2] was 10:64:128 for apetalous, partially apetalous, and normally petaled types (Table 1).
The inheritance of apetalous flowers in ap-Tengbe resembles that of cytoplasmic male sterility (CMS) in the way the cytoplasm interacts with nuclear genes in determining phenotypes (Yang and Fu, 1990; Stiewe and Robbelen, 1994; Delourme and Budar, 1999).
In conclusion, the ap-Tengbe mutant can be successfully used to develop completely apetalous breeding lines of B.
The expression of the apetalous character was environmentally stable at the two very different locations.
The inheritance of an apetalous character in canola (B.