DIFFERENT KINDS OF TOMATO BLIGHT AND HOW TO TELL THEM APART – AGRICULTURE
Quy trình sử dụng thuốc BVTV

DIFFERENT KINDS OF TOMATO BLIGHT AND HOW TO TELL THEM APART

Posted On August 7, 2017 at 4:17 pm by / Comments Off on DIFFERENT KINDS OF TOMATO BLIGHT AND HOW TO TELL THEM APART

At least two common tomato problems are referred to as tomato blight and another one is often thrown into the same mix: early blight, late blight, and Septoria leaf spot.

3 most common types of tomato blight with Tomato Dirt

They’re each caused by different funguses. You can tell these three problems apart by what they look like, what parts of the tomato they affect, and when their symptoms appear. But the good news is this: all three can be treated and controlled similarly with biofungicides or fungicides and by practicing good preventative care.

 

Early Blight

Late Blight

Septoria

Photo

LATE BLIGHT SEPTORIA

Cause

fungus: Alternaria solani

fungus: Phytophthora infestans

fungus: Septoria lycopersici

Characteristics

Dark, concentric spots ¼ – ½” on lower leaves and stems.

Spots on fruit near stems.

Lower leaves yellow and drop.

Blue-gray spots on leaves which turn brown.

Dropped leaves.

Irregular brown, greasy spots on fruit.

White mold rings on spots.

Small black or brown spots on the lower leaves.

Lower leaves yellow and drop.

Parts affected

leaves

stem

fruit

leaves

stem

fruit

leaves

stem

Timing

early- to mid-season

in wet weather

mid- to late-season

in wet weather

early- to mid-season

in wet weather

Information contact: +84933067033