ZHANG Gui-zhi,LI De-ze,TIAN Mei-li,et al.Preliminary Study on Space Mutation Breedingof Melon in Cold Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2014,(12):91-95.
北方寒地甜瓜航天育种研究初报
- Title:
- Preliminary Study on Space Mutation Breedingof Melon in Cold Region
- 文章编号:
- 1002-2767（2014）12-0091-05
- Keywords:
- melon of cold region; space mutation; breeding space
- 分类号:
- S652
- 文献标志码:
- A
- 摘要:
- 为了拓宽甜瓜种质资源，将7份经过神舟8号搭载的北方寒地甜瓜亲本材料进行地面试种，筛选优良的变异株系。结果表明：经地面试种后选择具有重演性、可遗传的变异株系10个，又经多代选择出性状稳定、品质及抗病鉴定优良的变异株系4个。其中SP01-008-01A-01A果形变阔梨形，种子变褐色，含糖量增加2.00百分点，单瓜重比对照增加70 g。SP01-113-06B-06B果皮变墨绿，含糖量增加1.00百分点，种子变褐色。SP03-128-08A-08A果实乳白色且变无环裂，奶香味浓。SP03-061-03C-03C瓜阔梨形，果实乳白色且变无环裂，奶香味变浓，单瓜重增加20 g。试验证明北方寒地甜瓜太空诱变呈多方向变异，数量性状遗传变异明显，瓜皮颜色变深、瓜肉瓜瓤及种子颜色有改变,含糖量普遍增加、单瓜重增大、抗病性普遍增强。
- Abstract:
- In order to broaden the melon germplasm resources，seven melon parent materials of the cold region after carrying the Shenzhou the 8th were planted on the ground to screen excellent mutant strain.The results showed that through a repeat of the experimental planting,heritable variation in lines 10,multi-generation selection trait stability,excellent quality and disease resistance identified mutant 4 lines.SP01-008-01A-01A strain broad pear-shaped fruit,seeds turn brown,the sugar content increased and 2.00 percent,fruit weight increased 70 g compared with the control.SP01-113-06B-06B was dark green rind,the sugar content increased 1.00 percent,the seeds was brown.SP03-128-08A-08A fruit was milky and acyclic crack,milk fragrance was thick.SP03-061-03C-03C wide melon pear,fruit was milky and acyclic crack,thick milk flavor,and fruit weight increased 20 g.Test proved north cold melon space mutation and showed multiple directions variation,fruit discoloration deep,fruit flesh and seeds had chang been on color,sugar content generally increased,fruit weight increasing and a general increasing in disease resistance.
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备注/Memo
基金项目：大庆市科技计划资助项目（sjh-2012-51）