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1.本试验是1980年夏间在沈阳东陵沈阳农学院试验场田间进行。其目的在讨论高粱三尺三优良恢复系、3197B 保持系、447新选系在沈阳环境下的开花习性,以供进行杂交育种者的参考。2.在沈阳环境下,高粱由播种至开始开花需要71.07±0.96日,各品种间差异不显著。3.高粱每日开花时间有集中的趋势。从总开花数看,则以3～7时为最多,占开花总数的93.79%,其中以4～6时达71.26%为开花的最盛时间。4.高粱花开放的温度是16℃～21.9℃之间最多,占总观察花数的90.98%为最适温度。过低(16℃以下)或过高(35℃以上)均不适宜。5.高粱在田间环境下,花的开放大都集中于相对湿度95%至100%之间,其间高粱花开放的最多,约占总观察花数的93.57%。饱和湿度对于高粱花的开放非但没有阻碍,而且这时开花数占绝大多数。6.高粱在温度16℃～21.9℃与湿度95%至100%时开花的最多,占总观察花数的90.86%。若温度降低,花的开放需要较高的湿度,相反,温度升高,则需要较低的湿度。7.高粱每株由开始开花至不再开花所需时间为7.4±0.6325日。在田间环境下各品种间差异不显著。8.高粱开花的最盛日期及其开花数是以开始开花后的第3～7天为最多,占总观察花数的85.64%其中第4～6天为盛花期,占总观察花数的61.66%。9.高粱每植株开花的数目与品种的关系很大,即差异极显著。10.供试的高粱三个品种十五个穗中开花的次序是以穗的上部最先开放,中部次之,下部最迟。
1. This experiment was conducted in Shenyang Field Experiment Station of Shenyang Agricultural College in the summer of 1980. The purpose of this study was to discuss the flowering habits of sorghum three feet three elite restorer lines, 3197B maintainer lines and 447 new selection lines in Shenyang environment for the reference of hybrid breeders. 2. In Shenyang, the sorghum needs 71.07 ± 0.96 days from sowing to beginning to bloom, and there is no significant difference among the varieties. 3. Sorghum flowering time each day there is a concentration trend. From the total number of flowers to see, then 3 to 7 when the most, accounting for 93.79% of the total number of flowering, of which 4 to 6 up to 71.26% of the peak time for the flowering. 4. Sorghum flower open temperature is between 16 ℃ ~ 21.9 ℃ up to 90.98% of the total observed number of flowers as the optimum temperature. Too low (below 16 ℃) or too high (above 35 ℃) are not suitable. 5. Sorghum in the field environment, the flowers are mostly open to the relative humidity 95% to 100%, during which the largest number of open sorghum flowers, accounting for about 93.57% of the total observed flowers. Saturated humidity for the opening of sorghum not only did not hinder, and when the flowering number accounted for the vast majority. 6. Sorghum had the most flowering at the temperature of 16 ℃ ~ 21.9 ℃ and the humidity of 95% -100%, accounting for 90.86% of the total observed number of flowers. If the temperature decreases, the flowers require a higher humidity opening, on the contrary, the temperature rises, you need lower humidity. 7. Sorghum per plant from the beginning of flowering to no longer flowering time is 7 4 ± 0. 6325 days. In the field environment, there was no significant difference among varieties. 8. Sorghum flowering date and its flowering number is the beginning of the first 3 to 7 days after flowering is the largest, accounting for 85.64% of the total observed, of which 4 to 6 days for the flowering period, the total observed 61.66 flowers %. Sorghum per plant flowering and the number of varieties of great relationship, that is very significant difference. 10. Three varieties of sorghum for the test fifteen spikes flowering order is the ear of the first open upper part of the middle followed by the lower part of the latest.