In the period of ectatic cataract,mature cataract or hypermature cataract,the relevant ratio of ultrasonography is 100%.

膨胀、成、过声的检出率可达到100%。

This paper summarizes the effects of metaxenia on fruit quality and fruit maturation period during the fruit production and the research status on action mechanism of metaxenia.

摘要综述果树生产中花粉直感对果实品质及果实成的影响，以及花粉直感作用机理的研状。

The characters of SP1 variation plants at maturity stage also appeared big changes.SP1 variation plants had short growing period, high seed setting rate, loose plant-type and clavated spike-type.

成SP1代变异株性状也有较大变化，生育显著缩短，结实率有所提高，株型向松散趋势发展，穗型则均棍棒形，株高、穗粒数和千粒重的变化品种间不一致。