Rust On Beans Diseases Management And Control

• Rust on beans is caused by Uromyces phaseoli var typica
• The common bean rust disease occurs especially in locations prevail during the bean growing season.
• Bean rust occurs mostly in wet weather where humid to moderately humid conditions prevails/ long dew periods and cool conditions for longer period.
• It is easily spread by wind from one plant to another.
• It can survive from one season to the next on crop remains/debris.

Symptoms Of Rust On Beans

• Bean diseases can occurs on most aerial parts of bean plant but are most often observed on the leaves.
• Symptoms also occur on pods and sometimes on branches and stems
• The spots first appear as small brown dots containing a brown powder, which are spores of the disease.
• Later spots become larger and spores turn black.
• Reddish brown pustules are seen on the lower surface of the leaves.
• The leaves turn yellow and dry or fall off and pods get deep dark pits 
• If the infection is less (3 percent), the loss is about 2.7%.
•  If it is more (79 percent), the loss will be 37%.

Mode of spread :-

• The rust fungus is disseminated locally by farm tools, insects, animals, or other moving bodies.
• Wind borne Spore (uredospore) is the principal agent for long-distance spore dissemination.

Bean Rust Life cycle:-

These spores germinate and enter a leaf through the plant stomata (breathing pores). They develop within the host tissue to form a small white spot or blister in 5-7 days and mature reddish-brown pustules in 10 to 12 days.

   TBFGVE

Products To Manage Rust On Beans

CRYSTAL TILT FUNGICIDE 1 ml/liter of Water + ECONEEM PLUS - AZADIRACHTIN 10000 PPM - 1ml/lt of water

                                               OR

 DHANUKA ZEROX FUNGICIDE 0.5 to 1ml / liter of water + ECONEEM PLUS - AZADIRACHTIN 10000    PPM - 1ml/lt of water

ALSO READ : MANAGEMENT OF WHITE GRUBS ATTACK ON BRINJAL ROOTS

Created By:  

Ashadevi K

SME

For more information kindly WhatsApp on 8050797979 or give missed call on 180030002434 during office hours 10 AM to 5 PM.

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Disclaimer: The performance of the product (s) is subject to usage as per manufacturer guidelines. Read enclosed leaflet of the product(s) carefully before use. The use of this product(s)/ information is at the discretion of user.