共查询到20条相似文献,搜索用时 156 毫秒
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徐州四季薹韭是铜山县独特的薹叶兼用型地方品种.1978年,在我县一农户"马鞭韭"菜地中发现3月下旬就抽薹的单株,该单株能多次分蘖连续抽薹.当年从该单株及分蘖株上留种混合采收.后经过我县农业局专业技术人员多年采取单株-混合选择法,至1988年该品种各种性状趋于稳定.1989~1991年进行2次品种比较试验,表现出生长势强、抗寒性好、分蘖多、出薹早、产量高、品质好等优点.1994年通过江苏省徐州市品种审定小组的审定并命名. 相似文献
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‘川甜柿1号’系从日本引进品种‘次郎’优选单株培育出的优质大果型甜柿新品种.在四川盆地多点栽培表现良好。该品种树体长势较旺盛.与君迁子嫁接亲和力强,单性结实能力强,丰产,综合性状优良。是适合山地和丘陵种植的优良树种,2003年通过四川省农作物品种审定委员会审定。 相似文献
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1 选育经过1979年 5月 ,江西省科委对安义县枇杷资源进行调查 ,1980年 5月发现该县园艺场散生枇杷中第4株实生枇杷变异很大 ,32年生树在粗放管理下 ,株产 55kg ,果实最大 4 1 7g。 1981~ 1982年继续观察发现 ,该单株表现出同样的性状。 1982~ 1983年连续从母本树采集大量接穗繁殖苗木 ,1983年将繁育的苗木与外地引进的 10多个品种定植在同一园内 ,建立枇杷单株试验园。同时在各乡镇也建立了该单株试验园。经 7年观察 ,证明该单株树势旺 ,抗逆性强 ,果大质优 ,丰产稳产。 1990年 5月通过了南昌市科委组织的专家鉴定 ,获市科技进步一等… 相似文献
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法兰地草莓花药培养技术研究 总被引:1,自引:0,他引:1
以法兰地草莓为试材,研究了不同6-BA浓度、不同碳源、不同基本培养基对法兰地草莓花药愈伤组织诱导的影响,不同组合的细胞分裂素对愈伤组织诱导分化的影响.结果表明:6-BA浓度1 mg/L、麦芽糖作碳源、MS为基本培养基最适合法兰地草莓愈伤组织诱导.细胞分裂素以6-BA 2 mg/L+ZT 2mg/L组合最适合诱导不定芽分化.试验中观察到:法兰地草莓花药直接接种于MS+6-BA 1 mg/L+NAA 0.2 mg/L+麦芽糖30 g/L的培养基上,70 d后可直接诱导出不定芽,其分化率高达11%. 相似文献
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T. Van Delm P. Melis K. Stoffels M. Vervoort D. Vermeiren W. Baets 《International Journal of Fruit Science》2016,16(4):118-128
ABSTRACTStrawberry production in Belgium has evolved from being a June-harvested crop grown in soil to a year-round crop grown in multiple production systems, as a result of the development of new cultivars and production techniques. Strawberry cultivation used to be one aspect of diverse family enterprises, but now strawberry farms are specialized. In the beginning, strawberries were only harvested in June. Covering the crop with plastic tunnels allowed the harvest to advance to May. Subsequently, an important innovation was the use of cold-stored plants in year-round plantings, which also allowed later production. This evolution in combination with the development of various cultivation systems using peat substrates (including table-tops, plastic greenhouses, and glasshouses) resulted in a strawberry production period from March until December–January. Recently, interest in assimilation lighting in glasshouses has increased. At first, this allowed advanced production in February, but now even winter production is possible, resulting in fresh Belgian strawberries 365 days a year. 相似文献
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《International Journal of Fruit Science》2013,13(1):29-50
Abstract Strawberry is an herbaceous perennial that can be easily propagated by stolons or by crown division. Seedlings have a few months in the juvenile period. The growth is determined with a terminal inflorescence as a modified stem or cyme. Flower induction is sensitive to thermo-photoperiod and to several agronomic and nutritional factors. The strawberry plant is highly adapted to diverse temperate climates and to production under forced artificial growing conditions. In the present study, a dynamic architectural model of growth is described and discussed in order to reveal strawberry development under different cultivation systems. The aim is to improve the cultural knowledge and understanding of the physiological control of axillary meristems, which can enhance the Strawberry fruit production. 相似文献
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Ioannis E. Tzanetakis 《International Journal of Fruit Science》2016,16(4):142-147
ABSTRACTStrawberry is susceptible to several systemic pathogens and, in particular, viruses. There are several examples of disease epidemics that resulted from virus-infected propagation material and led to losses estimated in the tens of millions of dollars. This communication focuses on actions needed to minimize the risk of similar outbreaks by developing a systems-based approach from breeding to the commercial field. This includes the development of molecular biology and bioinformatic tools that allow for the detection of all known viruses infecting strawberry but most importantly for the discovery of viruses that circulate in the system undetected and may have contributed to past epidemics. Surveys in commercial fields have yielded a map of the most prevalent viruses in strawberry production areas across the United States, knowledge that will be used in the nascent National Certification Program for Strawberry. 相似文献