摘要
通过在晚播条件下对“郑单8号”玉米子粒发育的研究,揭示出不同播期的子粒体积和重量变化的总趋势是一致的.体积的变化可用变形双曲线方程描述,干重的变化可用“S”形曲线方程来说明.但受精后相同时间子粒体积、重量达到的质量不同,有随着播期推迟而量值变小的趋势.同时通过不同播期与子粒发育的关系看出,“郑单8号”灌浆时间短,速度快,可作为晚播品种应用.
This paper, through the study of the development of 'Zheng-Dan No. 8' maize seeds, has revealed that the Whole tendency of variations in volume per seed and in weight per seed is identical. The variation in volume can be represented by the deformedhyperbola fumction variation in dry weightcan be represented by 'S' shape curve function Thevolume per seed and weight per seed in the Same period aftel in semination, however, will have different quantities and qualities, seemingly tending to decrease in measure with the delayed sowing periods.At the same time, it can be seen, through the relations between the seed development and different Sowing periods, that the 'Zheng-Dan No. 8' maize variety's fitling stage is shorter and it's filling speed is faster. Because of these, it can be used as the variety of late sowing.
出处
《河南职业技术师范学院学报》
1991年第1期44-49,共6页
Journal of Henan Vocation-Technical Teachers College
关键词
玉米
子粒发育
郑单8号
晚播品种
The seed development,the deformed hyperbola function,S-shape curve function,the variety of late sowing
