Definition of septoria spotting disease in parsley
Septoria Leaf Spot is destructive to the leaves, petioles and stems of tomatoes, (it does not affect the fruits) and infects lettuce, parsley, fennel and others. And also this disease is caused by the fungus Septoria lycopersici, infection usually occurs on the lower leaves near the ground, many small round spots with a dark border surrounding a beige-colored center appear on the old leaves.
Small black spots, which are the fruiting bodies producing spores, can be seen in the center of the spots, heavily infected leaves turn yellow, fall off the plant and die.
Comments about the disease of spotting septoria in parsley
The fungus is most active when temperatures range from 20 to 25 degrees Celsius, humidity is high, precipitation or abundant watering of leaves leads to the transfer of spores and to the depletion of plants, leaf fall and weakening of the plant, reduces the volume and quality of the crop, fungi are not soil-borne, but can remain on the remains of previous crops .
Prevention and treatment of septoria spotting disease in parsley
- Follow a suitable triple agrotechnical cycle .
- Improve good soil drainage .
- Remove the remnants of previous crops .
- Lack of sprinkler irrigation .
- One of the following fungicides can be used : chlorothalonil or copper fungicides, or mancozeb.
Symptoms of septoria spotting disease in parsley
Small angular spots of gray-brown color with a specific reddish-brown border on the leaves; black fruiting fungal bodies may appear on the surface of lesions; leaves become yellowish and necrotic. The disease is spread by infected seeds, contaminated irrigation water and by equipment or people transmitted through wet plants.
Fighting the disease of spotting septoria in parsley
Disease Control is based on cultural control methods and good sanitation practices:
- The use of pathogen-free seeds or treatment of seeds with fungicides before planting; crop rotation.
- Plow plant debris into the soil.
- If the disease is present, avoid working with infected plants when the foliage is wet; apply appropriate protective fungicides
In conclusion, we would like to note that we, at the world of plants website, offer you all the necessary services in the world of plants, we provide all farmers and those interested in plants with three main services::-
- Artificial intelligence consulting service to help you identify diseases that affect plants and how to deal with them.
- Blog about plants, plant diseases and care of various crops ... You are currently browsing one of her articles right now.
- An application that provides agricultural consultations to clients, as well as a service for imaging diseases and knowing their treatment for free – Click to download the Android version from Google Play Store، Click to download the IOS version from the Apple App Store.
References
Spot the septoria on parsley and fennel-green Sage website
Parsley – Septoria Leaf Spot – University of Maine
English 
Arabic