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当前位置: 首页 > 文章 > 杂交水稻制种中利用农用无人机喷施赤霉素技术研究 作物研究 2017 (4) 360-368
Position: Home > Articles > Study about the Techniques of Gibberellin Sprayed by Agricultural Unmanned Aerial Vehicle in Hybrid Rice Seed Production Crop Research 2017 (4) 360-368

杂交水稻制种中利用农用无人机喷施赤霉素技术研究

作  者：
唐荣;张海清;刘爱民;杨永标;陈勇;王明;董帅厅
单  位：
湖南隆平种业有限公司;湖南农业大学农学院
关键词：
杂交水稻;制种;农用无人机;赤霉素
摘  要：
为了探索农用无人机在杂交水稻制种中喷施赤霉素效果,以制种组合Y58S×R900、H638S×R1813和丰源A×华占为材料,在机械栽插、人工栽插或机直播条件下,研究了单旋翼电动力农用无人机在母本不同抽穗时期喷施不同剂量赤霉素的效果。结果表明,利用农用无人机喷施赤霉素时,Y58S人工栽插在抽穗率5%~35%范围内,喷施剂量480 g/hm~2时效果最佳;机插在抽穗率5%~45%范围内3个喷施剂量处理时效果都较好,其包颈粒率在1%以下,全外露穗率在80%以上;H638S机插和机直播在抽穗率5%~45%范围内3个喷施剂量处理效果都较好;丰源A机插在抽穗率10%~20%范围内,喷施剂量570 g/hm~2时效果最佳,机直播时3个喷施剂量处理效果都较差,其包颈粒率在1%以上,全外露穗率在70%以下。使用农用无人机对杂交水稻制种母本喷施赤霉素有广泛的实用性。
译  名：
Study about the Techniques of Gibberellin Sprayed by Agricultural Unmanned Aerial Vehicle in Hybrid Rice Seed Production
作  者：
TANG Rong;ZHANG Haiqing;LIU Aimin;YANG Yongbiao;CHEN Yong;WANG Ming;DONG Shuaiting;College of Agronomy,Hunan Agricultural University;Hunan Longping Seed Co.Ltd.;
关键词：
hybrid rice;;seed production;;agricultural unmanned aerial vehicles;;gibberellin
摘  要：
Three hybrid combinations,Y58 S×R900,H638 S×R1813 and Fengyuan A×Huazhan,were used as materials with machine-transplanting,artificial transplanting and mechanical direct seeding,different doses of gibberellin were sprayed at different heading stages of female parents by using single-rotor electro-dynamic-force agricultural unmanned aerial vehicles to explore the effects of gibberellin in the hybrid rice seed production.The results showed that the gibberellin effect on Y58 S with artificial transplanting was the best,when the earing rates was 5%-35%,and the gibberellin dose was 480 g/hm~2.When the earing rates of Y58 S by machine-transplanted were in the range of 5%-45%,the gibberellin effects were good with three spraying doses,which the package neck rate was low than 1% and the total panicle exsertion rate was over 80%.When earing rates of H638 S were in the range of 5%-45%,the gibberellin effects were good with three spraying dosages by machine-transplanted and mechanical direct seeding.When the earing rates of Fengyuan A were in the range of 10%-20%,the best results occurred at the dose of gibberellin 570 g/hm~2 and by machine-transplanted.The gibberellin effects on Fengyuan A were poor with all the three spraying dosages by mechanical direct seeding,which the package neck rate was over 1% and the total panicle exsertion rate was under 80%.In conclusion,spraying gibberellin on female parent by agricultural unmanned aerial vehicles could widely used in hybrid rice seed production.

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