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Garden pea > Stem rot
Why do Garden pea Suffer from Stem Rot Infection?
Garden pea, also known as Chinese Pea, Honey Pea, Shelling pea, Green pea, Pea
Stem rot is a destructive disease affecting Garden pea, causing decaying of stems and potentially fatal plant damage. It is caused by specific fungi and bacteria, Active during warm, wet conditions, it can be controlled and treated using both non-pesticide and pesticide methods.

Symptom Analysis

In Garden pea, signs of stem rot include wilting, browning, and rotting of the stem, often close to the soil surface. Plants generally wilt during the day and mildly recover at night, leading to reduced yields.
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What Causes Stem rot Disease on Garden pea?

Fungi
Macrophomina phaseolina and other pathogenic fungi are responsible for stem rot.
Bacteria
Certain soil-borne bacteria such as Erwinia carotovara can also cause this disease.
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How to Treat Stem rot Disease on Garden pea?

Non pesticide
Crop Rotation: Implementing crop rotation can help prevent soil-born pathogens from building up in the soil.

Healthy Planting Material: Ensure to use disease-free seeds or seedlings to prevent initial infection.
Pesticide
Fungicide: Applying fungicides specifically targeted towards stem rot-causing fungi can control the disease.

How to Prevent Stem rot on Garden pea?

Clean farming equipment
Regular sanitation of farming tools used can prevent spread of the disease.
Soil aeration
Ensure proper soil aeration as waterlogged soils favor the disease.
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When is Stem rot Most Active Period on Garden pea?

Stem rot is most active during warm and wet conditions (temperatures of 20-30°C and high soil moisture), which promote fungal growth and spore production.

Infectivity

The spread of stem rot is high as the fungi and bacteria that cause it can easily spread through soil, water, and infected plant residues.

Lethality

If not treated in time, stem rot can lead to extensive plant damage or loss of the entire crop.

FAQs on Garden Pea

How fast can stem rot spread in a Garden pea crop?
This is highly dependent on the environmental conditions, particularly warmth and moisture. In optimal conditions for the pathogen, it can spread very quickly across a crop.
What is the impact of stem rot on Garden pea yield?
Stem rot can significantly reduce yields in infected crops due to plant wilting and eventual death if not treated.
Does stem rot survive in the soil?
Yes, the stem rot fungi and bacteria can survive in the soil for several years, often in crop debris.
Can stem rot affect the quality of Garden pea?
Indeed, in addition to reducing yields, stem rot can also degrade the quality of the harvested produce.
Is there a particular stage of Garden pea growth when it is more susceptible to stem rot?
While stem rot can infect mature plants, seedlings and young plants are often the most susceptible.
Is it possible to completely get rid of stem rot from a Garden pea field?
While it may be challenging to completely eradicate, various control and prevention measures can significantly limit its impact on Garden pea crops.
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