Soft Rot Control

Soft rot, a detrimental plant disease caused by the bacterium Erwinia carotovora, poses a significant threat to a wide range of crops, particularly in warm and humid conditions.

To effectively combat this disease, PRIMA Agro Tech has developed a comprehensive solution utilising a blend of beneficial microorganisms, including Bacillus siamensis, Bacillus subtilis, Paenibacillus polymyxa, and Bacillus amyloliquefaciens.

These strains work synergistically to inhibit the pathogen, bolster plant defences, and ensure crop health, offering a sustainable approach to managing soft rot and enhancing agricultural productivity.

About the Plant Disease

Soft rot control is essential in protecting various crops from the damaging effects of the bacterial disease caused by Erwinia carotovora, a member of the Erwinia sp. This bacterium primarily infects plants through wounds or natural openings such as stomata and lenticels. The disease thrives in warm and humid conditions, making it a prevalent issue in many agricultural settings.

Pathogen(s)

Erwinia carotovora, the bacterium responsible for soft rot, can infect many plants. It exploits wounds and natural plant openings to establish infection. The bacterium’s ability to proliferate in warm, humid environments exacerbates the spread and severity of the disease, making effective control measures crucial for maintaining the health and productivity of crops.

Symptoms & Damage

The initial symptoms of soft rot include wet and soft spots appearing on the green parts of the plant. As the infection progresses, these spots turn brown and slimy, often accompanied by a strong, unpleasant odour. This decay not only impacts the aesthetic and commercial value of the crops but can also lead to significant yield losses, as the infected parts often become unusable.

Microbial Consortium

PRIMA Agro Tech has developed a robust solution for soft rot, utilising a strategic combination of beneficial bacterial strains. By integrating these bacterial strains into a comprehensive disease management program, PRIMA Agro Tech provides a sustainable and environmentally friendly approach to combat soft rot, enhancing crop resilience and productivity.

Bacillus siamensis strain KCTC 13613: This bacterium produces antifungal compounds that inhibit the growth of Erwinia carotovora. It interferes with the pathogen’s life cycle, reducing its ability to infect and spread within plant tissues.

Bacillus subtilis strain PAH17: Known for its biocontrol properties, this strain enhances the plant’s natural defence against Erwinia carotovora. It secretes enzymes and metabolites that directly combat the bacteria, reducing the incidence of soft rot.

Paenibacillus polymyxa strain H-5: Contributing to soil health, this strain helps suppress the pathogen’s growth by producing natural antibiotics and other bioactive substances.

Bacillus amyloliquefaciens strain 50: This strain effectively promotes plant growth and exerts antifungal activity. It creates an unfavourable environment for the proliferation of Erwinia carotovora, thereby protecting the plants from infection.

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