[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(02):69-72.[doi:10.11942/j.issn1002-2767.2019.02.0069]
不同温度对一年生草本花卉萌发及幼苗生长的影响
- 文献标志码:
- A
- 摘要:
- 为促进一年生草本花卉的生产,于15、25和35 ℃下设置百日草、波斯菊、万寿菊萌发栽培试验,研究温度对上述一年生草本花卉萌发及幼苗生长的影响。结果表明:3种一年生草本花卉种子萌发对温度响应存在显著差异,百日草在35 ℃下发芽率、发芽势、发芽指数和株高最高,在25 ℃下干物质积累最大;波斯菊和万寿菊在25 ℃下发芽率、发芽势、发芽指数、株高和干物质积累最高。表明百日草在35 ℃左右最适宜其种子萌发,在25 ℃下最适宜其幼苗生长,波斯菊和万寿菊在25 ℃下最适宜种子萌发和幼苗生长。
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[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(02):69.[doi:10.11942/j.issn1002-2767.2019.02.0069]
备注/Memo
收稿日期:2018-09-17