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| 神力素喷施剂量对杂交稻制种产量的影响 | |
| 引用本文： | 朱朝枝,张祥淋,刘文炳. 神力素喷施剂量对杂交稻制种产量的影响[J]. 福建农林大学学报(自然科学版), 1996, 0(4) |
| 作者姓名： | 朱朝枝 张祥淋 刘文炳 |
| 作者单位： | 福建农业大学作物科学学院，尤溪县管前农技站 |
| 摘 要： | 神力素施用剂量小于４．５ｋｇｈｍ－２时，随着施用剂量的提高，杂交水稻制种产量也随之增加；在相同用量下，分２次使用比１次使用效果好．本试验条件下，以破口２０％用神力素１．５ｋｇｈｍ－２，破口７０％再用３．０ｋｇｈｍ－２增产效果最佳．神力素对产量的影响主要是通过促进不育系解除包颈，提高柱头外露率、午前花比例和结实率而发挥作用 |
| 关 键 词： | 杂交稻制种；神力素；剂量；柱头外露率 |
Effect of Spraying Dosage of Shenlisu on Rice Hybrid Seed Production |
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| Zhu Chaozhi Zhang Xianglin Liu Wenbing. Effect of Spraying Dosage of Shenlisu on Rice Hybrid Seed Production[J]. Journal of Fujian Agricultural and Forestry University, 1996, 0(4) | |
| Authors: | Zhu Chaozhi Zhang Xianglin Liu Wenbing |
| Affiliation: | Zhu Chaozhi 1 Zhang Xianglin 1 Liu Wenbing 2 |
| Abstract: | The experimental results indicated that at the range of spraying dosages less than 4.5 kg·hm -2 the yield increasing was along with the dosage increasing; in the same dosage the effect was better by 2 sprayings than 1.Under the experimental conditions, the highest yield was achieved with 1.5 kg·hm -2 dose spraying at the 20% heading stage and 3.0 kg·hm -2 at the 70% heading stage. The effect of Shenlisu on the hybrid seed production was mainly by solving the problem of panicle base packages and increasing the rate of stigma exsertion, the proportion of forenoon flowering and the percentage of seed setting. |
| Keywords: | rice hybrid seed production Shenlisu dosage stigma exsertion rate |
| 本文献已被 CNKI 等数据库收录！ | |