植物铁锈病是怎样

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植物铁锈病是怎样

植物铁锈病是一种常见的植物病害，它主要影响植物叶片的正常生长和发育，导致植物凋萎、死亡。植物铁锈病是由真菌引起的病害，它主要通过空气传播，进入植物叶片内部繁殖，导致叶片产生红色或***的斑点，进而导致叶片凋萎。

铁锈病的发生原因

铁锈病的发生与许多因素有关，主要包括以下几个方面：

• 气候因素：高温多湿的环境是铁锈病的滋生地，空气湿度大、温度适宜，有利于病菌的繁殖。
• 土壤因素：土壤中的养分***不足或者土壤酸性过高，会使植物缺乏养分，影响植物的抗病能力。
• 植物品种：不同的植物品种对铁锈病的抵抗力不同，一些品种对铁锈病的抵抗力比较弱。
• 管理因素：植物的管理不当，如施肥不当、浇水过多或过少、植物密度过大等，都会导致植物易感染病害。

铁锈病的防治措施

针对铁锈病的发生原因，我们可以采取以下措施来进行防治：

• 及时清理落叶：铁锈病主要通过落叶传播，因此及时清理落叶可以减少病害的传播。
• 合理施肥：合理施肥可以增强植物的抗病能力，同时也可以提高植物的养分吸收能力。
• 定期喷洒杀菌剂：定期喷洒杀菌剂可以有效地控制铁锈病的传播，减少病害的发生。
• 加强植物管理：加强植物的管理，如适时浇水、适当修剪等，可以增强植物的免疫力，减少病害的发生。

用户关心的问题

问题一：如何识别植物铁锈病？

答案：植物铁锈病的症状主要表现为叶片上出现红色或***的斑点，随着病情的加重，斑点会扩散并且叶片会逐渐凋萎。

问题二：铁锈病如何预防？

答案：可以采取以下措施来预防铁锈病：及时清理落叶、合理施肥、定期喷洒杀菌剂、加强植物管理等。

问题三：植物铁锈病有哪些危害？

答案：植物铁锈病会导致植物叶片凋萎、死亡，进而影响植物的生长和发育，严重的话还会导致植物死亡。

参考文献：

《园艺植物病虫害防治手册》

《植物病害防治技术》

《现代农业技术大全》

相关拓展：

问：rust

n.锈; 铁锈; (植物的)锈病; 锈菌
v.(使)生锈

现在分词：rusting过去分词：rust***第三人称单数：rusts复数：rusts过去式：rust***

牛津词典

noun

锈；铁锈a r***dish-brown substance that is form*** on some metals by the action of water and air

pipes cover*** with rust生了锈的管子

rust spots锈斑

a rust-colour*** dress赤褐色连衣裙

（植物的）锈病；锈菌a plant disease that causes r***dish-brown spots; the fungus that causes this disease

verb

（使）生锈if metal rusts or sth rusts it, it becomes cover*** with rust

old rusting farming implements生锈的旧农具

Brass doesn't rust.黄铜不生锈。

Water had got in and rust*** the engine.发动机进水生锈了。

柯林斯词典

N-UNCOUNT 锈;铁锈Rust is a brown substance that forms on iron or steel, for example when it comes into contact with water....a decaying tractor, r*** with rust...锈迹斑斑的破拖拉机

Manufacturers are looking into building cars out of plastic to avoid the problem of rust.制造商们正研究如何用塑料制造车辆，以避免生锈。

VERB 生锈When a metal object rusts, it becomes cover*** in rust and often loses its strength.Copper nails are better than iron nails because the iron rusts...铜钉比铁钉好，因为铁会生锈。

There was an old rusting bolt on the door.门上有一个生锈的旧门闩。

COLOUR 铁锈色;赭色;深褐色Rust is sometimes us*** to describe things that are r***dish-brown in colour....turquoise woodwork with accent colours of rust and ochre.主色调为深褐色和赭色的青绿色木制品

...a rust-colour*** blouse.深褐色的上衣

(植物的)锈病，锈菌Rust is a disease which affects plants. It is caus*** by a fungus.

双语例句

Rust and flaking paint mean the metalwork is in poor condition. 生锈和掉漆说明金属配件损毁严重。

Atoms of iron in the nail combine with atoms of oxygen from the air to form molecules of iron oxide, or rust. 钉子里的铁原子与空气中的氧原子结合后形成氧化铁分子，也就是锈。

Manufacturers are looking into building cars out of plastic to avoid the problem of rust. 制造商们正研究如何用塑料制造车辆，以避免生锈。

Copper nails are better than iron nails because the iron rusts 铜钉比铁钉好，因为铁会生锈。

There was an old rusting bolt on the door. 门上有一个生锈的旧门闩。

Oil it regularly to prevent rust. 经常擦油，以免生锈。

Iron gathers rust easily. 铁容易生锈。

Rust corrodes iron. 锈能蚀铁。

The tools will corrode with rust if never us***. 这些工具如长期不用会长铁锈而损坏。

An iron tool, if never us***, will corrode with rust. 铁制工具长期不用会锈损。

Please scour rust spots from the knife. 请擦去刀上的锈斑。

A scale of rust cover*** the steel plate. 一层铁锈覆盖了钢板。

Rust has corrod*** the steel rails. 锈侵蚀了钢轨。

Excellent resistance to rust and foam. 卓越防锈和抗泡沫性。

Rust is the product of a slow combination of iron with atmospheric oxygen and water vapor. 锈是铁和空气中的氧和水蒸汽缓慢结合的产物。

The boilers been sitting outside for a week or so and is starting to rust up a little. 锅炉坐在以外的一个星期，或使和开始生锈了一个小。

The wire must be free from contamination, rust and mechanical damage. 钢丝表面无污染，锈蚀和机械损伤。

Prevent the corrosion and rust of the tank and oil nozzle. 防止油箱和喷油嘴的生锈与腐蚀。

The characteristics of rust layer on steel immers*** in seawater and relat*** anaerobic microbial community were investigat***. 研究了海水环境中钢铁腐蚀产物即锈层中的厌氧微生物群落和锈层矿物特征及其相关性。

Screws to regular maintenance and cleaning, will not rust. 螺丝钉要经常保养和清洗，才不会生锈。

The old padlock was r*** with rust. 旧挂锁已经锈红了。

She scrap*** the rust off the kitchen knife. 她擦掉了菜刀上的锈。

Every time I slow down, it's like my veins start to rust. 每当我慢下来，我的血管就像要生锈了。

The certificate indicates that some of the rollers are rust. 商检证书上表明有些滚筒生锈了。

Rust fungus causing rust spots on apples and pears etc. 在苹果和梨等的表面造成铁锈斑点的铁锈菌。

Rust fungus that attacks wheat. 对小麦造成侵袭的一种铁锈菌。

Check each body panel and the roof, looking for scratches, dents, and rust. 检查车身的每块嵌板和车顶，寻找擦伤，凹痕和锈。

If I have a bicycle made of stainless steel, it will never get rust. 要是我有一辆不锈钢制造的自行车，它就再也不会生锈了。

It enhances rust protection and corrosion resisting property through adopting special surface treatment. 采用独特的表面处理技术，有效提高了产品的抗锈耐蚀性能。

So far, rust has been confirm*** in kudzu, but not on soybean plants. 到目前为止，野葛中的锈菌已得到证实，但大豆中的锈菌还没有得到证实。

短语用例

rust away

锈坏to be gradually destroy*** by rust

pipes cover*** with rust生了锈的管子

rust spots锈斑

a rust-colour*** dress赤褐色连衣裙

英英释义

noun

any of various fungi causing rust disease in plants

Synonym:rust fungus

the formation of r***dish-brown ferric oxides on iron by low-temperature oxidation in the presence of water

Synonym:rusting

a plant disease that produces a r***dish-brown discoloration of leaves and stems

a r*** or brown oxide coating on iron or steel caus*** by the action of oxygen and moisture

verb

become coat*** with oxide

become destroy*** by water, air, or a corrosive such as an acid

The metal corrod***

The pipes rust***

Synonym:corrode

cause to deteriorate due to the action of water, air, or an acid

The acid corrod*** the metal

The steady dripping of water rust*** the metal stopper in the sink

Synonym:corrodeeat

adj

of the brown color of rust

Synonym:rustyrust-brown