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Crop: Soybean
Crop Overview
Soybeans are one of the most important oilseed crops globally, with applications ranging from food products to livestock feed and industrial uses. The crop is cultivated extensively in North and South America, Asia, and parts of Africa. However, soybean production is vulnerable to a variety of diseases, pests, and weeds, which can significantly reduce yield and quality.
Common Diseases
1. Asian Soybean Rust
● Pathogen: Phakopsora pachyrhizi
● Distribution: Found in soybean fields across South America, Asia, and parts of Africa.
● Damage: This fungal disease forms rust-colored lesions on the leaves, leading to premature leaf drop and a reduction in photosynthesis. If left unchecked, it can cause up to 80% yield loss. Rust thrives in warm, humid conditions and can spread rapidly.
▼ Recommended Products
● Tebuconazole 250g/L EC: Provides effective control against soybean rust and has long-lasting protective action.
● Azoxystrobin 200g/L SC: A systemic fungicide with broad-spectrum activity, ideal for controlling rust.
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2. Frogeye Leaf Spot
● Pathogen: Cercospora sojina
● Distribution: Primarily found in the United States and South America, but also present in parts of Asia.
● Damage: Frogeye leaf spot causes circular, dark lesions on soybean leaves, reducing photosynthesis. Infected plants experience stunted growth, and the disease can cause yield losses of up to 30%.
▼ Recommended Products
● Chlorothalonil 500g/L SC: Prevents frogeye leaf spot by providing a protective barrier on soybean leaves.
● Thiophanate-methyl 70% WP: A systemic fungicide that stops the spread of frogeye leaf spot and other foliar diseases.
3. Sclerotinia Stem Rot (White Mold)
● Pathogen: Sclerotinia sclerotiorum
● Distribution: Found in temperate soybean-growing regions.
● Damage: This disease causes white, cotton-like mold growth on stems and pods, leading to wilting and plant death. The fungus thrives in cool, wet conditions and can cause significant yield loss in heavily infected fields.
▼ Recommended Products
● Fluazinam 200g/L SC: Highly effective against white mold, protecting stems and pods from infection.
● Carbendazim 50% WP: A general fungicide that controls stem rot and other fungal diseases.
Common Pests
1. Soybean Aphid
● Scientific Name: Aphis glycines
● Distribution: Predominantly found in North America and parts of Asia.
● Damage: Soybean aphids suck sap from the plant, weakening it and reducing pod set. Additionally, aphids transmit viral diseases such as soybean mosaic virus, further affecting crop quality and yield. Heavy infestations can cause up to 40% yield loss.
▼Recommended Products
● Emamectin Benzoate 5% EC: Highly effective against cotton bollworms with fast knockdown action.
● Bifenthrin 10% SC: A broad-spectrum insecticide, suitable for controlling bollworms.
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2. Soybean Cyst Nematode
● Scientific Name: Heterodera glycines
● Distribution: Common in soybean fields across North America, South America, and parts of Asia.
● Damage: Soybean cyst nematodes attack the roots, forming cysts that inhibit nutrient uptake, leading to stunted growth and yellowing leaves. Severe infestations can reduce yields by up to 50%.
▼ Recommended Products
● Abamectin 1.8% EC: A biological pesticide that targets nematodes at the root level, reducing damage and improving root health.
● Thiamethoxam 141g/L + Lambda-Cyhalothrin 106g/L SC: Provides control over nematodes and improves overall plant vigor.
3. Soybean Looper
● Scientific Name: Chrysodeixis includens
● Distribution: Found across soybean fields in the Americas.
● Damage: Soybean looper larvae feed on leaves, leaving behind significant defoliation, which reduces photosynthesis. This pest can cause up to 30% yield loss, especially in later growth stages.
▼ Recommended Products
● Emamectin Benzoate 5% EC: A highly effective insecticide that targets soybean looper larvae and reduces feeding damage.
● Bifenthrin 10% SC: Controls a wide range of lepidopteran pests, including soybean looper.
Common Weeds
1. Common Ragweed
● Scientific Name: Ambrosia artemisiifolia
● Distribution: Found in North America and parts of Europe.
● Damage: Common ragweed competes aggressively with soybeans for light, water, and nutrients, reducing crop yields. Its large seed bank allows it to rapidly colonize fields if not properly managed.
▼Recommended Products
● Glyphosate 41% SL: A non-selective herbicide that provides effective control of ragweed.
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2. Palmer Amaranth
● Scientific Name: Amaranthus palmeri
● Distribution: Predominantly found in the United States and South America.
● Damage: Palmer amaranth is a highly competitive weed that can reduce soybean yields by up to 80%. Its rapid growth and resistance to many herbicides make it particularly difficult to control.
▼ Recommended Products
● Atrazine 50% WP: A broad-spectrum herbicide that provides effective control of Palmer amaranth.
3. Velvetleaf
● Scientific Name: Abutilon theophrasti
● Distribution: Found in North America, Asia, and parts of Europe.
● Damage: Velvetleaf competes with soybeans for resources and can significantly reduce yields. Its large leaves shade soybean plants, reducing their photosynthesis efficiency.
▼ Recommended Products
● 2,4-D Amine 60% SL: A selective herbicide effective against broadleaf weeds like velvetleaf.
Recommended products
We are mainly deals with insecticides, fungicides, herbicides, seed dressings, plant growth regulators and agrochemicals.
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