टमाटर मे झूलसा रोग की दवा | tamatar me jhulsa rog ki dava | टमाटर की खेती | Blight disease Control

About this video - किसान भाइयों इस वीडियो मे हमने आप सभी को जो भी जानकारी बताई है वो बहुत ही कारगर है आप सभी के पौधे मे झूलसा रोग लग चूका है तो ये दवा ज़रूर डालिये

Tomato blight
Tomato blight is a disease that attacks the foliage and fruit of tomatoes, causing rotting. It is most common in warm, wet weather, and in some years can cause almost total yield loss, particularly of susceptible tomato cultivars grown outdoors. The same pathogen also affects potatoes.
Quick facts
Common name: Tomato blight, late blight
Scientific name: Phytophthora infestans
Plants affected: Tomatoes
Main symptoms: Brown & rotting, shrivelled leaves. Decay of fruit
Caused by: Fungus-like (Oomycete) organism
Timing: Early summer onwards

What is tomato blight?
Tomato blight (also known as late blight) is a disease caused by a fungus-like (Oomycete) organism that spreads rapidly through the foliage and fruit of tomatoes in warm, wet weather, causing collapse and decay.

It can be a very serious disease on outdoor tomatoes. Tomatoes grown in greenhouses are less likely to be affected but can still suffer badly at times.

Blight is specific to tomatoes, potatoes (on which it is known as potato blight) and some ornamental relatives of these two crops. Cases have been recorded on ornamental Solanum species (e.g. S. laciniatum), and also very occasionally on Petunia.

Symptoms
You may see the following symptoms on tomato plants with blight:

The initial symptom of blight is a rapidly spreading, watery rot of leaves, which soon collapse, shrivel and turn brown. During suitable conditions, when the pathogen is spreading actively through the leaf tissues, the edges of the lesions may appear light green, and a fine white 'fungal' growth may be seen on the underside of the leaves
Brown lesions may also develop on the leaf stalks (petioles) and stems, again with white growth sometimes visible under wet or very humid conditions. These lesions can lead to collapse and death of leaves, stems or even the entire plant
Watersoaked patches, turning brown, can appear on green fruit, whilst more mature fruits will decay rapidly
Greenhouse-grown tomato plants can also be affected by a different disease called leaf mould, which produces very similar symptoms on the leaves to those of blight. Visible growth of the leaf mould fungus on the underside of affected leaves is greyish-brown rather than white, but if the leaf tissue has been completely killed this may be difficult to see. Leaf mould doesn't cause lesions on the stems or extensive fruit decay, however. It is much less common on outdoor crops.



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