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Research Progress on Cucurbita pepo L. Virus Disease
TIAN Jiaxing,ZHANG Guoyu,QIU Yanhong,ZHANG Fan,JIA Zhangcai,LI Haizhen*
〔Beijing Vegetable Research Center,Beijing Academy of Agriculture and Forestry Sciences,Key Laboratory of Biology and Genetic Improvement of Horticultural Crops(North China),Ministry of Agriculture and Rural Affairs,Key Laboratory of Urban Agriculture(North),Ministry of Agriculture and Rural Affairs,Beijing 100097,China〕
Abstract:Cucurbita pepo L. is an important cucurbitaceous vegetable and cash crop.The widespread occurrence of virus disease seriously affects the production of zucchini.This paper reviewed the virus diseases commonly occurred in zucchini and research progress made on their main pathway of transmission,symptoms after infection,control methods and disease resistance breeding,aiming at providing theoretical gist for the prevention and control of zucchini virus disease.
Keywords:Cucurbita pepo L.;virus disease;disease resistance breeding;research progress
立夏
立夏节气在每年的5月6日前后。“斗指东南,维为立夏,万物至此皆长大,故名立夏也。”立夏表示即将告别春天,是夏天的开始。气候温暖,光照充足,适合多种蔬菜作物的生长和发育,早春温室蔬菜正值结果盛期,是采收上市的季节;春大棚番茄、茄子、甜(辣)椒等茄果类蔬菜进入开花结果期;黄瓜开始采收上市,露地速生菜开始采收。北京地区生产上市的时令蔬菜主要在日光温室、大棚中生产,是我国北方地区蔬菜供应量逐渐增多的季节。露地生产的时令蔬菜仅有莴笋、甘蓝、韭菜、芦笋和越冬前播种的埋头菠菜、小葱等。保护地蔬菜有以下4类:第1类是日光温室生产的黄瓜、西葫芦、茄子、番茄、甜椒、辣椒等;第2类是叶菜类和根茎类蔬菜,有芹菜、菠菜、油麦菜、小油菜、芥蓝、
乌塌菜、包心芥菜、荠菜、茼蒿、结球生菜、散叶生菜、白萝卜、樱桃萝卜、小水萝卜、芜菁等;第3类是甘蓝类蔬菜,有莴笋、甘蓝、青花菜、花椰菜、苤蓝、羽衣甘蓝等;第4类是大棚生产的黄瓜、西葫芦和樱桃萝卜、小水萝卜、生菜、小白菜、小油菜、茼蒿、油麦菜等速生菜。
小满
小满节气在每年的5月21日前后,其含义是从小满节气开始,北方地区大麦、冬小麦等夏熟作物的籽粒逐渐饱满,但尚未成熟,所以称为小满。据《月令七十二候集解》:“四月中,小满者,物致于此小得盈满。”小满节气温度适宜,光照充足,气候条件适合多种蔬菜作物生长,是北京地区生产上市蔬菜品质好和供应种类较多的季节。温室和大棚生产的时令蔬菜有:番茄、茄子、甜椒、辣椒、黄瓜、冬瓜、南瓜、西瓜、甜瓜、白菜、小油菜、白萝卜、芹菜、生菜等;露地生产的时令蔬菜有:甘蓝、莴笋、芦笋、韭菜、茴香、小油菜、小白菜、生菜、油麦菜、小水萝卜、樱桃萝卜等。
曹华(北京市农业技术推广站,北京 100029)· 北京地区二十四节气时令蔬菜 ·
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小满这天吃什么菜
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