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黄瓜秧苗子叶上出现白色圆型小斑点是什么毛病

2021-04-08 13:18:45 分类:养花问答 来源: 日夏养花网 作者: 网络整理 阅读:174

黄瓜是单子叶还是双子叶植物,求助

资料:
黄瓜,别称胡瓜、刺瓜、王瓜、勤瓜、青瓜、唐瓜、吊瓜,双子叶植物纲,葫芦科黄瓜属,一年生蔓生或攀缘草本植物。茎、枝伸长,有棱沟,被白色的糙硬毛,卷须细,不分歧,具白色柔毛;叶柄稍粗糙,有糙硬毛,长十至二十厘米,叶片宽卵状心形;花冠黄白色,长约两厘米,花冠裂片长圆状披针形;果实颜色呈油绿或翠绿,表面有柔软的小刺。我国各地普遍栽培,现广泛种植于温带和热带地区。黄瓜喜温暖,不耐寒冷,为主要的温室产品之一。黄瓜是西汉时期张骞出使西域带回中原的,称为胡瓜。五胡十六国时后赵皇帝石勒忌讳“胡”字,汉臣襄国郡守樊坦将其改为“黄瓜”。
结论:
资料表明,黄瓜是双子叶植物。
黄瓜是葫芦科的植物,属于双子叶植物纲
黄瓜是双子叶植物。

黄瓜苗期子叶微焉是怎么回事?

"The hero is such one people, what his benefit having composed for human society in decisive juncture needs the thing composing". This is one words that Julius Fucik had said. Hero's value, is not harvesting , but paying; Be not ability , but action; Be not what the individual has got, but be what to have offered as a tribute. Or disregarding be an upper nameless hero of battlefield, be still great leader, the thought enlightening person, they all have a common characteristic , are pay. The hero is in fact not far away from our life , observes as long as you look out, be therefore likely discover a hero accommodating oneself to in fact by you. Think about, please , so in the world disinterested whom being that you pay silently is? This can not care about your appearance , education , background in the wor日夏养花网ld how, one love lets yours whom to be? Whom is that this accompanies the people who is protecting you in the world forever? YeegZIRs, only have self mother. The mother love strength is great , the mother love strength is infinite , the mother love strength is that anybody has no way to exceed. My mother is a extremely ordinary people , she is my hero at heart but but. Remember when one was young, I dislike studying a mathematics , mathematics at every time have an exam dispatches all very much. On a parents meeting, my mathematics teacher has told me mother. From that, mother may come off duty very long ago every day , get back home guides me to study a mathematics right away. She is patient explain that why every examination questions owes analysis for me , mark priority seriously for me. Every one day is so-called, until one day , I have happened to hear mother in saying telephone with others. "Sorry, I am not deliberately really. You know, I want to tutor my daughter only". Mother has sighed to continue an explanation in one breath: "I all am busy at work generally , I can have given daughter to have only had such few". Be that a fit is silent after implication being left behind. After for a long time,mother continues an explanation justhttp://www.rixia.cc now: "Thank , thank your to be able to understand me. Thanks , you can let me continue working ". I have been full of in the eye seeing mother delightful. My silent walking has been past , has said one in low voice: "Mummy, thanks you ". Mummy is frightened by me , is turned around to be looking at me: "Do you how to here "? I lower head: "I know you have made many for me". Doctrine has been over , I have supplemented one immediately: "I am not that you say telephone's intentionally can". Mummy shake the head , relieved laughed at. "Mummy , you are needless to reprove self. That you work in the ordinary time all is for me , should be that I feel reproving self. I definitely will study well. I love you, mummy "! One laughs at my powerful mummy understanding field. This is the first time , I criticize me to the mother loving you. Great being also that I have known mother love for the first time, from the mother who begins at that moment is my hero at heart. I am growing up day by day, wrinkle of mother on the face the pick has also increased by , the pick has also cut down smiling expression. Accompany my only have the desk , the desk lamp and countless exercise in the evening in every day. "Could it be said that has not mother loved me? I give off this idea once primaryly , that is denied inferiorly. Mother can lay down a job incapable for me , mother can pay possessions for me , she has to love me. I hope that the window outside is looking for keeping a lookout of , a fit condensation feeling the heart , I realize that the asthma , father have been on a business trip , only have mother at home abruptly, I am hesitating for whether need to tell mother or not, before mother has arrived in right away already my door: Go to bed "earlier. Her words has said halves, will have realized that I have sent out an asthma. She has gone to have no way with medicine in medical kit as quickly as possible , I have been good after have used medicine many. Be looking at upper mother forehead beads of shttp://www.rixia.ccweat, my eye socket has been spontaneously moist. "Thank mummy ". Mummy touches my head , laughed at: "Xie what woollen cloth. Having been that mummy is not good , have thought only to the job , having ignored your body condition. Hereafter forbid like this not having gone to bed lately , be going to have a rest well". I am nodding, light Nan: "Mummy, I love you ". Mother's smile , mother's worrying about , mother's love, have let I see the mother love strength know. At this moment, mother is a hero in my eye.

我种的黄瓜怎么子叶变黄枯萎了啊

朋友您好?您描述的情况是正常的,在我们种植过程中,黄瓜移栽后新叶开始生长,子叶随之黄化、枯萎脱落。
应该是的了黄瓜花叶病,是黄瓜生产中的重要病害,各地蔬菜产区均有发生,以夏、秋季发病较重,病株率达30%以上,对黄瓜产量和品质均有明显影响。egZIR

表现症状
1、花叶病毒病:幼苗期染病,子叶变黄枯萎,幼叶为深浅绿色相间的花叶,植株矮小。成株期染病,新叶为黄绿相间的花叶,病叶小,皱缩,严重时叶反卷变硬发脆,常有角形坏死斑,簇生小叶。病果表面出现深浅绿色镶嵌的花斑,凹凸不平或畸形,停止生长,严重时病株节间缩短,不结瓜,萎缩枯死。
2、皱缩型病毒病:新叶沿叶脉出现浓绿色隆起皱纹,叶形变小,出现蕨叶、裂片;有时沿叶脉出现坏死。果面产生斑驳,或凹凸不平的瘤状物,果实变形,严重病株引起枯死。
3、黄化型病毒病:中、上部叶片在叶脉间出现褪绿色小斑点,后发展成淡黄色,或全叶变鲜黄色,叶片硬化,向背面卷曲,叶脉仍保持绿色。

谁知道黄瓜一开始长的椭圆型的叶是不是由子叶发育而来?

就是啊,子叶

黄瓜秧苗子叶上出现白色小圆斑点是什么原因?

虫子

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