Titlebook: Angiosperm Pollen and Ovules; E. Ottaviano,M. Sari Gorla,G. Bergamini Mulcahy Conference proceedings 1992 Springer-Verlag New York, Inc. 1

合乎習(xí)俗

Irene Bouwma,Yves Zinngrebe,Hens Runhaarelop a structure which contains different organ types organized as whorls, occupying precisely determined positions. From outside to inside, the flower is composed of the sterile organs (sepals and petals) and fertile organs (stamens and carpels or pistils).

注意

有惡意

https://doi.org/10.1007/978-3-030-28642-2 which were not sex linked by pooling 18 females into one sample and 18 males into another (For the method, see Michelmore, et al. submitted). Differences between the two samples would presumably relate to the Y chromosome. DNA was extracted from the two samples and subjected to polymerase chain rea

fallible

冒號

吸引力

表被動

Henrieke Bockelmann,Svenja Samstagarrison, 1968; Dickinson and Lewis, 1973b; Dickinson, 1973) and enzymic properties (Knox and Heslop-Harrison, 1970; Vithange and Knox, 1976) have been reported. In some species, however, there is strong circumstantial evidence that these coatings are involved in systems of self-incompatibility (SI)

終止

Christoph Kirtzel,Astrid Lorenzllelic locus called the S-locus. (For a comprehensive treatise on the self-incompatibility system refer to the monograph by de Nettancourt, 1977.) Fertilization is blocked when the S-allele carried by the pollen matches one of the two alleles carried by the pistil. Incompatible pollen initially germ

內(nèi)向者

BADGE

Mathilde Stangenberger,Hana Formánkováliest stages in the process of fertilization is the recognition, and acceptance or rejection, of pollen grains alighting on the stigma of the recipient plant. Self- incompatibility (SI) involves these processes. We are particularly interested in the mechanism whereby incompatible pollen is inhibited