DB63 T313—1998 四月慢油白菜品种.pdf

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1、1ICS备案号:青海省地方标准DB63DB63DB63DB63DB63/3131998油白菜四月慢1998-12-24 发布1999-01-01 实施青海省质量技术监督具发布DB63/3131998I前言本标准的附录是标准的附录。本标准由青海省种子管理站提出并归口。本标准起草单位:西宁市种子站、青海省种子管理。本标准主要起草人:刘延杰杨经建王志远胡波DB63/31319981油白菜四月慢1范围本标准规定了四月慢油白菜品种的生物学特性和植物学形态特征及经济性状,对其栽培技术要点、生产能力、适宜种植地区作了说明。本标准适用于青海省各级园艺科研、教学、农技、推广、生产单位和种子部门对该品种的鉴定、推

2、广、繁育、检验、收购和销售。2技术内容2.1品种来源青海省西宁市种子站于70年代末从上海市种子公司引进试种而成。该品种由江苏省和天津市农作物品种审定委员会分别于1984年和1987年审定通过,定名四月慢。1998年3月3日青海省第五届农作物品种审定委员会第三次会议审定通过。现定名为四月慢油白菜。品种合格证号为青种合字0131号。2.2特征特性2.2.1植株性状生产势强;株高27.501.60厘米,开展度22.000.90厘米;植株直立,束腰,基部直径9.600.75厘米;叶丛生,叶卵圆形,叶色深绿,叶全缘,叶面平滑有光泽,叶长13.501.10厘米,叶宽11.000.75厘米,心叶卷曲;叶柄绿

3、白色,扁平稍内凹,肥厚,叶柄长6.700.30厘米,上狭窄基宽。2.2.2种株性状种株高75.001.70厘米,株幅68.001.80厘米,茎粗1.200.12厘米,主枝数6个,主杆高42.000.69厘米。2.2.3花和角果性状总状花序,花瓣浅黄色。雄蕊枚,花柱属中。角果淡黄色,角果长4.000.50厘米,宽0.700.30厘米,单株角果数403个。喙中。2.2.4种子性状单角果含有种子数122个,种子圆形,皮紫红色。千粒重2.000.80克,单株种子采收量50.000.90克。2.2.5经济性状单株毛重512.0020.00克,净重492.0021.00克,每100克鲜样含粗纤维0.68,

4、干物质4.58,水份95.42。腌制、熟食皆可。2.2.6属性及生育期中晚熟。播种至出苗期61天,期间5的积温15.605.10;出苗至定苗期282天,期间5积温216.4015.60,定苗至收获期433天,期间5的积温528.1026.00,生育期733天,期间5的积温770.7015.60,全生育期794天,期间5的积温786.1020.70。2.2.7抗逆性耐寒性强,抗旱性强;耐盐碱性强,不易抽苔。2.2.8抗病虫性生长期对芽虫和白粉病较抗。2.3栽培技术要点DB63/31319982该品种露地和保护地均可栽培;可直接播种又可育苗移栽,温室条件下达到周年栽培。露地栽培月下旬至月中旬均可进

5、行,育苗时,苗龄3035天。播前或定植前每公顷施优质农家肥45.0060.00立方米(3.004.00立方米亩),五氧化二磷0.1040.138吨(6.909.20千克亩),纯氮0.0410.054吨(2.703.60千克亩),浇足底水,地表发黄白时进行播种。定苗后(46叶),随水每公顷追施纯氮12次,每次0.090.104吨(4.606.90千克亩),浇水23次。定苗行距10.00厘米,株距12.00厘米。2.4生产能力及适应地区2.4.1生产能力在中等土壤肥力条件下每公顷产量52.5060.00吨(3500.004000.00千克亩),高肥水条件下,每公顷产量64.50吨72.00吨(43

6、00.004800.00千克亩)。2.4.2适应地区该品种适宜在西宁市郊及条件相似的地区种植。DB63/31319981附录A(标准的附录)品种观察地点基本情况A.1地点青海省西宁市十里铺乡十里铺村A.2时间19851987年A.3主要生态因素海拔高度2210.00米,年平均气温6.00,月平均气温稳定通过0初日为3月15日,终日为11月11日,期间积温2840.00;月平均气温稳定通过5初日为4月11日,终日为10月21日,期间积温2640.00;日平均气温稳定通过10初日为5月12日,终日为9月25日,期间积温2120.00;年降水量330.00450.00毫米,无霜期131天,土壤类型以灌溉土为主,土壤PH值在7.80。土壤肥力水平,有机质2.13,全氮0.10,全磷0.43,全钾1.86,碱解氮40ppm,速效磷12ppm,速效钾390ppm,属湟水流域,有灌溉条件。DB63/31319982

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