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Meloidogyne acronea

Meloidogyne acronea is a biology 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 Meloidogyne acronea rather than just read about it. In short: Meloidogyne acronea, the African cotton root-knot nematode or African cotton root nematode, is a plant pathogenic nematode affecting pigeonpeas. It is also an invasive species.

Key takeaways

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

Reference excerpt

Meloidogyne acronea, the African cotton root-knot nematode or African cotton root nematode, is a plant pathogenic nematode affecting pigeonpeas. It is also an invasive species. The roots and surrounding soils of cereals, grasses, and Gossypium spp. provide habitat for this organism. M. acronea was confirmed as a potentially problematic pest of cotton, Gossypium hirsutum cv. Makoka, which was proven through pot experiments.

See also List of pigeonpea diseases

References

Sources Coetzee, V. Meloidogyne acronea, a new species of root-knot nematode. Nature. 1956 May 12;177(4515):899-900. Page, SLJ., & Bridge, J. (1994). The African Cotton-Root Nematode, Meloidogyne-Acronea - Its Pathogenicity and Intra-Generic Infectivity within Gossypium. Fundamental and Applied Nematology, 17(1), 67–73.

External links Nemaplex, University of California - Meloidogyne acronea American Society of Nematologists - Meloidogyne acronea

Worked examples

Example 1 — a first encounter with Meloidogyne acronea

Start with the simplest possible case. Write down what Meloidogyne acronea claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 Meloidogyne acronea 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 Meloidogyne acronea 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 Meloidogyne acronea

In research
Meloidogyne acronea appears in biology 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 Meloidogyne acronea 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
Meloidogyne acronea is common in secondary-school and first-year university syllabi. It links to neighbouring topics Agricultural pest nematodes, Nematode stubs, Nematodes described in 1956, so understanding it makes those chapters shorter.
In everyday life
Look for Meloidogyne acronea 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 Meloidogyne acronea in 20 minutes

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

Frequently asked questions

What is Meloidogyne acronea in simple terms?

Meloidogyne acronea, the African cotton root-knot nematode or African cotton root nematode, is a plant pathogenic nematode affecting pigeonpeas. It is also an invasive species.

Why does Meloidogyne acronea matter?

Because it connects several biology 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 Meloidogyne acronea?

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 Meloidogyne acronea.

Tags

  • Agricultural pest nematodes
  • Nematode stubs
  • Nematodes described in 1956
  • Plant disease stubs
  • Pulse crop diseases
  • Tylenchida

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