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Stink currant > Weevil
How Can I Protect My Stink currant from Weevil Infestation?
Stink currant, also known as Californian blackcurrant
Weevil disease notably impacts Stink currant by stunting growth and causing premature leaf fall. This disease can heavily affect plant health and productivity, particularly during its active growth phase in spring and summer.

Symptom Analysis

On Stink currant, symptoms include chewed leaves, notched leaf edges, and curled foliage. Infested plants often display stunted growth, reduced vigor, and in severe cases, dieback.
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What Causes Weevil Disease on Stink currant?

Plant Weevils
Insect larvae that feed on plant roots and foliage, impairing the plant's ability to absorb nutrients and grow healthily.
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How to Treat Weevil Disease on Stink currant?

Non pesticide
Physical Removal: Regularly inspect plants and manually remove weevils early in the morning or by shaking affected parts over a bucket.

Sanitation: Keep the area around plants clear of debris and fallen leaves which may harbor weevil eggs or larvae.
Pesticide
Apply Systemic Insecticides: Use systemic insecticides that are absorbed by Stink currant to control larvae feeding on its tissues.

Contact Insecticides: Spray contact insecticides focusing on affected areas to kill adult weevils, particularly during active growth months.

How to Prevent Weevil on Stink currant?

Regular Monitoring
Regularly check underneath the leaves and near the base of the plant for early signs of weevils.
Mulching
Apply a thick layer of organic mulch around the base of Stink currant to deter adult weevils from laying eggs.
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When is Weevil Most Active Period on Stink currant?

The disease is most active during late spring through summer when temperatures and host plant activities are optimal for weevil development.

Infectivity

Weevil larvae can spread to nearby plants if not contained, causing moderate regional outbreaks.

Lethality

Though rarely lethal, severe infestations can lead to significant damage and stress, impacting plant longevity.

FAQs on Stink Currant

How can I identify weevil damage on Stink currant?
Look for notched or chewed leaf edges and signs of curling or wilting leaves.
Are there specific conditions that exacerbate weevil infestations on Stink currant?
Warm and moist conditions during spring and summer can accelerate weevil life cycles and infestations.
Can weevil infestations kill Stink currant?
While typically not lethal, severe and untreated weevil infestations can contribute to plant health decline and potentially plant death.
How frequent should I inspect my Stink currant for weevils?
Inspect at least bi-weekly during the active growing season (spring through summer).
Is there a biological control for weevils on Stink currant?
Natural predators such as nematodes and certain beetles can help control weevil populations organically.
Can chemical treatments harm Stink currant?
If misapplied, some chemicals can cause stress or damage to Stink currant. Always follow label directions and consider targeted, less invasive treatments first.
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