Question:
In India, as per the label claim, the nematicide Nimitz is recommended for the management of Root-knot nematodes in
In India, as per the label claim, the nematicide Nimitz is recommended for the management of Root-knot nematodes in
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Nimitz (fluensulfone) is registered for use in highly susceptible vegetable crops, specifically solanaceous crops (tomato) and cucurbits/malvaceous crops (cucumber and okra).
This helps distinguish it from field crops like rice or perennial fruit crops like guava.
This helps distinguish it from field crops like rice or perennial fruit crops like guava.
Updated On: Jul 21, 2026
- Okra, tomato, cucumber
- Tomato, guava, rice
- Cucumber, tomato, rice
- Okra, tomato, guava
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Chemical control of plant-parasitic nematodes relies on registered nematicides.
In India, the Central Insecticides Board and Registration Committee (CIBRC) evaluates and approves chemical inputs, issuing specific "label claims" that designate which crops and pests a chemical can legally be used to treat.
Step 2: Detailed Explanation:
Nimitz is a novel, non-fumigant nematicide containing the active ingredient fluensulfone (2% GR).
Fluensulfone belongs to the fluoroalkenyl group of chemicals.
Unlike older carbamate and organophosphate nematicides, which are nematostatic (temporarily paralyzing the nematodes), fluensulfone is a true nematicide.
It kills nematodes by disrupting their energy metabolism and motility, while offering a safer environmental and toxicological profile.
In India, ADAMA Agricultural Solutions registered and introduced Nimitz for use against root-knot nematodes (Meloidogyne species) in key horticultural crops.
According to the CIBRC label claims, Nimitz is approved for use in:
- Okra (Abelmoschus esculentus)
- Tomato (Solanum lycopersicum)
- Cucumber (Cucumis sativus)
These crops are highly susceptible to root-knot nematodes, which cause severe root galling, stunting, and yield loss.
Nimitz is applied to the soil before transplanting or sowing to protect the young root systems during their early growth stages.
Guava and rice are not included in the primary CIBRC label registration for Nimitz in India.
Therefore, option (A) is the correct crop group.
Step 3: Final Answer:
The approved label claim for the nematicide Nimitz in India covers the management of root-knot nematodes in okra, tomato, and cucumber.
Chemical control of plant-parasitic nematodes relies on registered nematicides.
In India, the Central Insecticides Board and Registration Committee (CIBRC) evaluates and approves chemical inputs, issuing specific "label claims" that designate which crops and pests a chemical can legally be used to treat.
Step 2: Detailed Explanation:
Nimitz is a novel, non-fumigant nematicide containing the active ingredient fluensulfone (2% GR).
Fluensulfone belongs to the fluoroalkenyl group of chemicals.
Unlike older carbamate and organophosphate nematicides, which are nematostatic (temporarily paralyzing the nematodes), fluensulfone is a true nematicide.
It kills nematodes by disrupting their energy metabolism and motility, while offering a safer environmental and toxicological profile.
In India, ADAMA Agricultural Solutions registered and introduced Nimitz for use against root-knot nematodes (Meloidogyne species) in key horticultural crops.
According to the CIBRC label claims, Nimitz is approved for use in:
- Okra (Abelmoschus esculentus)
- Tomato (Solanum lycopersicum)
- Cucumber (Cucumis sativus)
These crops are highly susceptible to root-knot nematodes, which cause severe root galling, stunting, and yield loss.
Nimitz is applied to the soil before transplanting or sowing to protect the young root systems during their early growth stages.
Guava and rice are not included in the primary CIBRC label registration for Nimitz in India.
Therefore, option (A) is the correct crop group.
Step 3: Final Answer:
The approved label claim for the nematicide Nimitz in India covers the management of root-knot nematodes in okra, tomato, and cucumber.
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