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首页> 外文期刊>日本作物學會紀事 >Studies on the Emergence of Rice Seedlings in the Direct-Sowing Culture : V. Effect of high temperature treatment of seeds before sowing on the emergence in paddy rice seedlings
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Studies on the Emergence of Rice Seedlings in the Direct-Sowing Culture : V. Effect of high temperature treatment of seeds before sowing on the emergence in paddy rice seedlings

机译：直播培养中水稻幼苗出现的研究：V.稻米幼苗播种前种子高温处理的影响

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摘要

In this study, effect of high temperature treatment of seeds before sowing on the emergence in paddy rice seedlings were examined. Materials were two paddy rice varieties "Koshijiwase" and "Hoyoku" in japonica type, and cultural temperature was about 20°C. Seeding-depth were 5 and 7cm, and soil moisture content was about 19 per cent (pF value was about 3). The following results were obtained. 1. High temperature treatment of seeds before sowing promoted the emergence in rice seedlings. The promotion was more obvious under the conditions of 5 cm or more depth of seeding and compacted covering soil. 2. The most effective high temperature treatment of seeds before sowing was as follows. (i) Moisture content in seeds before the high temperature treatment; 24-27 per cent. (ii) Volume of vessel in which contains seeds during the high temperature treaument; 4-40 times larger than the volume of seeds. (iii) High temperature treatment; 4-8 days at 40-44°C.
机译：在本研究中，研究了种子高温处理在播种稻米幼苗中播种前的效果。材料是两种水稻品种“Koshijiwase”和粳稻型“Hoyoku”，培养温度约为20℃。播种深度为5至7厘米，土壤水分含量约为19％（PF值约为3）。获得了以下结果。 1.播种前，种子的高温处理促进水稻幼苗的出现。在播种和压实覆盖土壤深度或更多的覆盖土壤中，促销在5厘米或更多的条件下更为明显。 2.播种前的种子最有效的高温处理如下。 （i）高温处理前的种子中的水分含量; 24-27％。 （ii）在高温假期期间含有种子的容器体积;比种子的体积大4-40倍。 （iii）高温处理; 4-8天，40-44°C。

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    《日本作物學會紀事》 |1972年第1期|共页
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    Jun INOUYE;

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  • 收录信息 美国《科学引文索引》(SCI);
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