| 青花菜花球生长速度与气温关系研究 |
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| 作者姓名： | 苏英京 |
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| 作者单位： | 浙江省临海市蔬菜技术推广站,浙江省临海,317000 |
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| 基金项目： | 浙江省科技厅星火计划项目 |
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| 摘 要： | 国内学术界都认为青花菜花球生长发育适温是16-18℃,但在临海市青花菜生产实践中,在1-2月份6℃左右的低温条件下,既不易造成冻害问题,又能持续生长发育,花球生长稳健,品质最好,区域优势得以充分发挥。在田间进行青花菜花球生长速度观察研究,同步记录田间气温,研究表明青花菜花球生长需要适度低温,气温3-5℃,花球直径每天增长0.12-0.24cm;气温5.5-8.5℃,花球直径每天增长0.30-0.50cm;气温11℃,花球直径每天增长0.84cm。
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| 关 键 词： | 青花菜 花球生长 适度低温 |
Research on the Correlation Between Temperature and Growth of Broccoli |
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| Authors: | Shu Yingjing |
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| Institution: | Shu Yingjing (Linhai Technical Service Station for Vegetable Cultivation, Zhejiang 310000) |
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| Abstract: | It is generally accepted that the most suitable temperature for broccoli growth varies between 16 and 18 ℃. However, our cultivation practice in Linhai area revealed that broccoli grows steadily at the temperature around 6 ℃, resulting in the best quality of flower-ball and the full use of the regional advantage. Our observation indicated that the formation of flower-ball requires a moderate low temperature. When the temperature were about 3-5℃, 5.5-8.5℃, or 11℃, the girths of the balls extends with a rate of about 0.37-0.75cm, 0.94-1.57 cm, or 2.63 cm increment per day, respectively. |
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| Keywords: | broccoli growth of flower-ball moderate low temperature |
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