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当前位置: 首页 > 文章 > 不同生长调节物质对机插早稻秧苗生育特性及产量的影响 中国农学通报 2015,31 (15) 151-155
Position: Home > Articles > Effects of Different Growth Regulators on Growth Characteristics of Machine-transplanted Early Hybrid Rice Seedlings and Yields Chinese Agricultural Science Bulletin 2015,31 (15) 151-155

不同生长调节物质对机插早稻秧苗生育特性及产量的影响

作  者：
张结刚;张美良;潘晓华
单  位：
江西农业大学农学院/江西省作物生理生态与遗传育种重点实验室
关键词：
杂交早稻;机插;秧苗生育特性;生长调节物质;产量
摘  要：
为揭示生长调节物质对机插双季杂交早稻秧苗生育特性及产量的影响,以杂交早稻‘淦鑫203’为材料,选用旱育保姆、拌种剂、多效唑3种生长调节物质并设置对照处理进行田间试验。结果显示:3种生长调节物质均能矮化壮秧,增加秧苗假茎宽、绿叶数、根量、苗体可溶性糖含量及全氮含量,提高分蘖能力及成秧率,保证机插质量,增加产量。其中多效唑处理矮化壮秧效果最好,成秧率最大且较对照高3.74%,产量最高且较对照增产9.98%。综合来看,生长调节物质均能壮秧增产,且多效唑是杂交早稻机插育秧较为理想的生长调节物质。
译  名：
Effects of Different Growth Regulators on Growth Characteristics of Machine-transplanted Early Hybrid Rice Seedlings and Yields
作  者：
Zhang Jiegang;Zhang Meiliang;Pan Xiaohua;College of Agronomy, Jiangxi Agricultural University/Key laboratory of Crop Physiology,Ecology and Genetic Breeding of Jiangxi Province;Science and Technology Management Department of Jiangxi Academy of Agricultural Sciences;
关键词：
hybrid rice;;machine-transplanted seedlings;;growth characteristics;;growth regulators;;yield
摘  要：
The effect of three plant growth regulators on machine-transplanted early hybrid rice seedlings andyields was evaluated by comparing the growth characteristics of the early hybrid rice variety‘Ganxin203'. Theresults showed that, in comparison with the control, all three growth regulators caused dwarfing in riceseedlings, and increased the pseudo stem width, green leaf and root numbers, the soluble sugar and totalnitrogen contents. Meanwhile, the regulators improved the ability of tillering and adult seedling rate, andguaranteed the quality and yield of machined- transplanted seedlings. Among the three regulators,paclobutrazol had the best effects, gained the highest adult seedling rate and the highest yield, which increasedby 3.74% and 9.98% respectively compared with the control. Comprehensively, growth regulators were benefitfor obtaining stronger seedlings and higher yield; paclobutrazol was an appropriate regulator for machine-transplanted early hybrid rice seedling.

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