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当前位置: 首页 > 文章 > 子莲一年两季就地加代育种研究初报 江西农业学报 2020,32 (4) 27-32
Position: Home > Articles > Preliminary Study on Additive Generation Breeding of Seed Lotus (Nelumbo nucifera) with Two Seasons per Year in Guangchang County Acta Agriculturae Jiangxi 2020,32 (4) 27-32

子莲一年两季就地加代育种研究初报

作  者：
郑兴汶;徐金星;黄伟发;唐记平;李丰平;赖克强;揭志辉;邹东旺;李通;刁英;胡中立;杨良波
单  位：
江西省广昌县白莲科学研究所
关键词：
子莲;藕;繁殖;一年两季;加代育种
摘  要：
通过在7月上旬至8月中上旬分期栽植子莲,考察了子莲植株的生长发育情况;结合不同年份不同杂交组合群体前3蓬莲子于8月中上旬前的成熟情况,研究了子莲一年两季就地加代育种。结果表明:在7月上旬至8月中上旬栽植莲子,出苗率高,均能长出立叶,部分植株能正常开花,尤其8月中上旬栽植的亦有植株开花,但莲子几乎不能成熟;栽植的所有莲株均可结有效种藕,种藕数量平均在5支/株以上,可作为繁殖藕,且后期栽植繁殖的种藕质量稍优于前期栽植的。2014年和2017年用种藕栽植的不同杂交组合群体在8月中上旬前均有90%以上的植株可收获2蓬以上的成熟莲子。因此,在广昌地区,子莲藕植当年获得种子并于当年8月中上旬前浸种栽植可产生繁殖藕种,从而可实现一年两季就地加代育种,缩短育种年限,加快子莲的育种进程。
译  名：
Preliminary Study on Additive Generation Breeding of Seed Lotus (Nelumbo nucifera) with Two Seasons per Year in Guangchang County
作  者：
ZHENG Xing-wen;XU Jin-xing;HUANG Wei-fa;TANG Ji-ping;LI Feng-ping;LAI Ke-qiang;JIE Zhi-hui;ZOU Dong-wang;LI Tong;DIAO Ying;HU Zhong-li;YANG Liang-bo;Guangchang White Lotus Research Institute in Jiangxi Province;College of Life Sciences, Wuhan University;Agriculture Technology Extension and Comprehensive Service Station of Qiaoshe in Xinjian County;
关键词：
Seed lotus;;Rhizome;;Propagate;;Two seasons per year;;Additive generation breeding
摘  要：
The growth and development of lotus was investigated by stage planting from early July to mid-early August. The additive generation breeding of seed lotus was studied according to the mature ratio of the first-three pods lotus seeds in different hybrid combinations and different years before mid-early August. The results showed that the seedling emergence of seed lotus planted from early July to mid-early August, rate was high. All the plants sprouted standing leaves. A portion of plants could bloom normally. A amount of plants in early August also could bloom, but could not mature. All the plants finally produced effective rhizome, more than 5 rhizomes per plant, and the rhizomes were effective asexual propagating seeds. The quality of rhizome from later seedlings was better than that of early seedlings. Before mid-early August, more than 90% of the different lotus hybrid combinations with rhizome planting in 2014 and 2017 could harvest more 2 pods mature lotus seeds. The mature seeds of lotus were harvested and then planted before mid-early August in that year, and produced effective asexual propagating seeds in last year. Thus, it was realization of adding generation breeding in two seasons a year. The number of years of breeding shortened, and the generation advancement of lotus was accelerated.

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