GAO Qiuhua,WANG Xueying,WANG Mingyao,et al.Breeding of a New Stock of Tomato Rootstock ‘Kezhen No.3’[J].Northern Horticulture,2018,42(06):204-210.[doi:10.11937/bfyy.20172839]
番茄砧木新品种“科砧3号”的选育
- Title:
- Breeding of a New Stock of Tomato Rootstock ‘Kezhen No.3’
- 关键词:
- 番茄砧木; 冬春茬; 抗根结线虫兼抗枯萎病; 选育
- Keywords:
- tomato rootstock; the winter and spring crop; resisting root-knot nematodes and Fusarium wilt resistance; selection and breeding
- 文献标志码:
- A
- 摘要:
- 设施番茄连年种植土传病害严重，采用抗性砧木嫁接是解决土传病害最安全有效的措施，当前可选抗性番茄砧木极少，培育多抗性番茄砧木新品种是当务之急。“科砧3号”是以高抗根结线虫的番茄自交系MK5965为母本，以高抗番茄枯萎病的番茄自交系XN3559为父本配制而成的抗南方根结线虫兼抗番茄枯萎病的番茄砧木一代杂交种。其为无限生长类型,生长势强,根系发达,高抗南方根结线虫兼高抗番茄枯萎病的杂交种。经人工室内接种鉴定根结指数为0.56，枯萎病病情指数为0.8。生产实践中以“科砧3号”为砧木，与生产上主栽品种嫁接成活率高，亲和性好,双抗性强，改善了品质，提高了产量，增产20%以上。适宜冬春茬番茄生产应用。
- Abstract:
- Tomato successive planting of soil borne diseases seriously,the resistant rootstock is to solve the soil borne diseases of the safe and effective measures,the optional resistance of tomato rootstocks is few,the cultivation of multi resistant tomato rootstocks variety is a pressing matter of the moment.‘Kezhen No.3’ is a F1 hybrid tomato rootstock highly resistant to southern tomato root-knot nematodes and Fusarium wilt resistance.It is developed by taking inbred line Mk5965 which is highly resistant to tomato root-knot nematode as female parent,its male parent is XN3559 which is highly resistant to tomato Fusarium wilt.The species with unlimited growth type,strong growth potential,well-developed root system,high resistance to root knot nematodes and high resistance to tomato wilt disease were obtained.After inoculation,the root knot index is 0.56,and the wilt disease index was 0.8.The number of grafted rootstock with ‘Kezhen No.3’ was high,the compatibility was good,the dual resistance was strong,the quality was improved,the yield was increased,and the yield increased by more than 20%,it was suitable for tomato cultivating and applicating during winter and spring.
参考文献/References:
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[J].Northern Horticulture,2019,43(06):171.[doi:10.11937/bfyy.20190657]
备注/Memo
第一作者简介：郜秋华（1969-),女,本科,高级农艺师,研究方向为作物遗传育种及无害化栽培模式。E-mail:728979150@qq.com.基金项目：河北省科技支撑计划资助项目（11220102D-6）。收稿日期：2017-10-18