LIU Zhe,CHEN Xiaolin,HAN Yongzhong.Research on Ginseng Rust Rot Pathogen Under Natural Overwintering Conditions[J].Northern Horticulture,2017,41(03):163-165.[doi:10.11937/bfyy.201703038]
防虫网专用豇豆新品种“宁蔬一号”的选育
- Title:
- Research on Ginseng Rust Rot Pathogen Under Natural Overwintering Conditions
- Keywords:
- ginseng; rust rot pathogens; natural overwintering; number of spore
- 文献标志码:
- A
- 摘要:
- “宁蔬一号”是南京市蔬菜科学研究所以自育自交系N-2-5-1-3-2-1为母本，自交系T-2为父本，杂交后系统选育的豇豆新品种。植株蔓生，生长势强，以主蔓结荚为主，主蔓第6~7节着生第一花穗，荚绿白色，荚长66~75 cm，横径0.76~0.85 cm，单荚质量26~35 g；纤维少，味较甜，鲜味浓；每667 m2产量1 500 kg左右；具有耐热、耐湿、优质、丰产，适应防虫网环境条件等特点，适宜在长江流域和全国各地夏秋季节栽培。
- Abstract:
- Taking ginseng rust rot pathogens as the test materials，the natural overwintering in different depth soil layers was studied.The soil samples infected with the pathogen of ginseng rust were respectively buried in 5-25 cm soil layer，and to be after the winter the number of pathogenic bacteria in the soil was measured.The results showed that after the natural winter the living rust rot pathogens had a certain concentration in different depth soil layers，and the survival rate of rust rot pathogen increased with soil depth.
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备注/Memo
第一作者简介：王强（1962-），男，本科，推广研究员，现主要从事豇豆育种等研究工作。 E-mail:85423541@163.com.基金项目：江苏省农业科技自主创新资金资助项目（cx(10)119）。