chemistry

Spirotetramat

Spirotetramat is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Spirotetramat rather than just read about it. In short: Spirotetramat (ISO Name) is a keto-enol insecticide developed by Bayer CropScience under the brand names Movento and Ultor. Mechanism Spirotetramat is active against piercing-sucking insects, such as aphids, mites, and white flies, by acting as an ACC inhibitor, interrupting lipid biosynthesis in the insects, and is in IRAC group 23.

Key takeaways

Spirotetramat belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Spirotetramat to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Spirotetramat from memory before moving on to harder problems.

Reference excerpt

Spirotetramat (ISO Name) is a keto-enol insecticide developed by Bayer CropScience under the brand names Movento and Ultor.

Mechanism Spirotetramat is active against piercing-sucking insects, such as aphids, mites, and white flies, by acting as an ACC inhibitor, interrupting lipid biosynthesis in the insects, and is in IRAC group 23. It is a systemic insecticide that penetrates plant leaves when sprayed on. It is ambimobile, being transported both upwards and downwards through vascular bundles. In plants, it is hydrolyzed to the enol form by cleavage of the central ethoxycarbonyl group. This enol is more stable due to double bond being in a ring and the conjugation with the amide group and the benzene ring.

Regulation Bayer obtained spirotetramat's first regulatory approval in Tunisia in 2007. It was recognized by the European Union May 1, 2014.

Toxicology and safety Spirotetramat has moderate to low acute toxicity, is irritating to eyes and potentially sensitizing to skin. When tested on rats, it was not shown to be carcinogenic. In Denmark, it is listed as harmful to aquatic invertebrates, but not dangerous to bees.

References

Illustrations

Worked examples

Example 1 — a first encounter with Spirotetramat

Start with the simplest possible case. Write down what Spirotetramat claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Spirotetramat before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Spirotetramat ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Spirotetramat

In research: Spirotetramat appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Spirotetramat in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Spirotetramat is common in secondary-school and first-year university syllabi. It links to neighbouring topics Carbonate esters, Gamma-lactams, Insecticides, so understanding it makes those chapters shorter.
In everyday life: Look for Spirotetramat outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Spirotetramat in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Spirotetramat means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Spirotetramat out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Spirotetramat in simple terms?

Spirotetramat (ISO Name) is a keto-enol insecticide developed by Bayer CropScience under the brand names Movento and Ultor. Mechanism Spirotetramat is active against piercing-sucking insects, such as aphids, mites, and white flies, by acting as an ACC inhibitor, interrupting lipid biosynthesis in t…

Why does Spirotetramat matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Spirotetramat?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Spirotetramat.