Natural Solutions to Soybean Challenges

The most important point for soybean production is to increase the grain weight by minimizing flower and shell loss. If only one more flower is obtained per plant, an estimated yield increase of 13-15 kg per decare can be achieved. Providing amino acids and essential nutrients is important at all growth stages to reduce stress, reduce metabolism, and restore water and nutrients.

 

Today, some of the most important problems affecting soil are fungi (fungi), nematodes, productivity and soil degradation. Alltech Crop Science solutions increase microorganism activity in soil, improving nutrient availability from organic matter, increasing productivity and promoting biodiversity.

 

Common soil diseases affecting soybeans are white mold, anthracnose, and slump. They are associated with the fungal pathogens Sclerotinia, Colletotrichum, Rhizoctonia, and Fusarium. While these diseases have a very negative impact on plant yield and quality, the use of biological products helps to cope with these pathogens and reduces disease severity and incidence.

 

Sclerotinia root rot is one of the most important diseases affecting soybean crops in Brazil and causes great losses if proper management and preventive measures are neglected. The first symptoms of the disease caused by the fungus Sclerotinia sclerotiorum are lesions with a white appearance on leaves and tissues. Contamination spreads as the soybean plant begins to bloom, during which time new infections occur as the fungus uses the flower as a food source. Due to the fact that the fungus is extremely virulent and can survive in the soil for up to 10 years, it is very difficult to control.

 

Anthracnose occurs as a result of high humidity conditions and is exacerbated during periods of heavy rainfall and high temperatures. Nutritional deficiencies also contribute to the prevalence and severity of anthracnose. Symptoms of the disease include dark lesions on the soy hulls that rot, causing them to fall off. Petiole necrosis can also be a defining symptom for this disease.

 

Rhizoctonia solani is the main causative agent for collapsing disease. Rhizoctonia solani is a fungal species that infects many plant species, reducing the effectiveness of rotational planting as a control strategy, thus making it particularly difficult to control. The attack begins in the first stage of bark development, during which stem rot can be noticed near soil level. The root system rots, which puts the entire plant in danger. Preventive measures such as early symptom detection and appropriate plant nutrition during planting are among the basic control strategies.

 

Soybean rust is a disease caused by a fungus of the genus Phakopsora, which occurs in many countries: Phakopsora meibomiae, American soybean mold, and Phakopsora pachyrhizi, Asian soybean rust. Symptoms of soybean rust are observed primarily on the leaves, beginning with those found in the lower parts of the plant. The first symptoms appear as small, green to gray healthy leaf tissues (not exceeding 1 mm in diameter) and are easily seen when the leaf is held up against the light. Outgrowths corresponding to the urodynia of the fungus can be observed on the underside of the leaves.

Alltech Crop Science products offer natural solutions that help reduce the stress caused by environmental pressures on your soybean plant, and make the plant healthier and more productive.

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