
国审青贮玉米新品种‘中玉335’的选育及配套技术研究
New National Silage Maize Variety ‘Zhongyu 335’: Breeding and Supporting Technology
‘中玉335’是四川省嘉陵农作物品种研究中心以自选系‘2YH1-3’为母本、自选系‘SH1070’为父本杂交选育而成的高产优质、广适、兼用型玉米新品种,2009—2012年通过川、黔、滇、鄂等四省的审定,2018—2019年通过国家、北京市专用青贮玉米的审定,并先后通过陕、晋、冀、津、辽、吉、蒙、渝等8省市自治区的引种登记。该品种具有产量高、品质优、综合抗性强、适应性广、种子生产成本不高的特点;生产上结合各地具体条件,采取配套栽培技术措施,通过适时早播、合理密植、科学施肥、加强田间管理与病虫害防治等,可充分发挥品种潜力,容易获得高产。本文详细阐述了青贮玉米品种‘中玉335’的选育过程、主要特征特性及其栽培技术。
This paper introduced the breeding process, main characteristics and the cultivation technology of silage maize variety ‘Zhongyu 335’. The variety was selected and bred by Sichuan Jialing Crop Variety Research Center, and it is a high-yield, high-quality, widely adapted and dual-purpose new maize variety, crossed by self-selected line ‘2YH1-3’ (female parent) and self-selected line ‘SH1070’ (male parent), and was certificated by Sichuan Province, Guizhou Province, Yunnan Province and Hubei Province in 2009-2012. In 2018-2019, it passed the validation of special silage maize by the Nation and the Beijing Municipality, and was registered for introduction in eight provinces and autonomous regions, including Shannxi, Shanxi, Hebei, Tianjin, Liaoning, Jilin, Inner Mongolia, and Chongqing. This variety has the characteristics of high yield, excellent quality, strong comprehensive resistance, adaptability, and low seed production cost. According to the specific condition of each production place, taking complementary cultivation techniques as timely sowing, reasonable dense planting, scientific fertilization, strengthening field management and pest control, etc., the variety’s potential can be fully exerted and the high yield can be easily obtained.
青贮玉米 / ‘中玉335’ / 品种选育 / 高产 / 广适 {{custom_keyword}} /
Silage Maize / ‘Zhongyu 335’ / Variety Breeding / High Yield / Wide Adaption {{custom_keyword}} /
表1 ‘中玉335’国家青贮玉米和北京市青贮玉米试验产量 |
试验类别 | 国家青贮玉米 | 北京市青贮玉米 | |||
---|---|---|---|---|---|
区域试验 | 生产试验 | 区域试验 | 生产试验 | ||
2015—2016年(南方组) | 2017年(西南组) | 2017年(东南组) | 2014—2015年 | 2016年 | |
生物产量干重/(kg/hm2) | 15855.0 | 19320.0 | 14793.0 | 21307.5 | 20730.0 |
比CK增加/% | 3.8 | 5.0 | 7.16 | 7.5 | 7.1 |
表2 ‘中玉335’青贮品质 |
检测项目 | 2017年国家青贮玉米试验 | 2016年北京市青贮玉米试验 |
---|---|---|
中性洗涤纤维含量NDF/% | 42.53~44.20 | 36.57~44.82 |
酸性洗涤纤维含量ADF/% | 21.50~22.51 | 17.45~21.23 |
粗蛋白含量/% | 8.95~9.05 | 7.81~8.69 |
结果评价 | 较好 | 较好 |
注:青贮玉米分级标准:中性洗涤纤维(NDF)含量≤50%为品质较好。 |
表3 ‘中玉335’病虫抗性鉴定 |
病害名称 | 国家青贮区试 | 北京青贮区试 | 四川省区试 | 贵州省区试 | 云南省区试 | |
---|---|---|---|---|---|---|
2016年 | 2015年 | 2007年 | 2008年 | 2009年 | 2010年 | |
大斑病 | MR | MR | MR | MR | R | S |
小斑病 | S | R | MR | MR | R | |
丝黑穗病 | S | S | S | S | S | R |
纹枯病 | S | MR | S | MR | S | |
茎腐病 | MR | R | HR | S | S | R |
锈病 | R | |||||
灰斑病 | R | |||||
玉米螟 | MR | S | MR |
注:HR-高抗;R-抗;MR-中抗;S-感;HS-高感。 |
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