dis.semin.ate|semin-=seed散布 #每日一

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A regular selection program based on additive genetic performance will normally result in a comparable genetic improvement after a short period of repeated selection, and may then continue beyond the results obtained in the present cross experiment without the complications caused by the laborious dissemination procedures required by a crossbreeding program and the problems caused by a possibly increased environmental sensitivity in the hybrids. (Bentsen et al., 1998)
Only three of the sampled clones had selfing rates greater than 10%, and it should therefore be possible to reduce selfing rates in the orchard significantly through the control of male pollen production and pollen dissemination of these three clones. (Denti, Schoen, 1988)