Downy mildew – Page 2

Control of downy mildew in bottle gourd

Water soaked lesions appear on under surface of leaf lamina.
Angular spots appear on upper surface similar to water-soaked lesions.
Lesions appear first on the older croton leaves and progressively on the younger leaves.
As the lesions expand, they may remain yellow or become dry and brown.
Affected vines do not set fruit properly.
Plucking and destroy of affected leaves.
Use resistant cultivars.
Crop rotation and sanitation reduces the severity of the disease.
Spray with Mancozeb 75% WP @ 350-400 gm/acre or Chlorothalonil 75% WP @ 200-250 gm/ acre.

Like and share with other farmers by clicking on button below.

Water soaked lesions appear on undersurface of leaf lamina.
Angular spots appear on upper surface similar to water-soaked lesions.
Lesions appear first on the older leaves and progressively on the younger leaves.
As the lesions expand, they may remain yellow or become dry and brown.
Affected vines do not set fruit properly.
Plucking and destroy of affected leaves.
Spray with Mancozeb 75% WP @ 350-400 gm/acre or Chlorothalonil 75% WP @ 200-250 gm/ acre.
Crop rotation and sanitation reduces the severity of the disease.

Like and share with other farmers by clicking on button below.

Water soaked lesions appear on undersurface of leaf lamina.
Angular spots appear on upper surface similar to water-soaked lesions.
Lesions appear first on the older leaves and progressively on the younger leaves.
As the lesions expand, they may remain yellow or become dry and brown.
Affected vines do not set fruit properly.
Plucking and destroy of affected leaves.
Spray with Mancozeb 75% WP @ 350-400 gm/acre or Chlorothalonil 75% WP @ 200-250 gm/ acre.
Crop rotation and sanitation reduces the severity of the disease.

Like and share with other farmers by clicking on button below.

During wet season, corresponding lower surface is covered with faint purplish fungal growth.
The entire leaf dries up quickly.
Use of bed system with wide spacing with good drainage and air movement and exposure to sun help to check the disease development.
Spray with Mancozeb 75% WP @ 350-400 gm/acre or Chlorothalonil 75% WP @ 200-250 gm/ acre.

Like and share with other farmers by clicking on button below

08/08/2018

Control Of Downy Mildew in Cauliflower:-

The stem shows dark brown, depressed lesions which later develop downy growth of the fungus.
On leaves, purplish-brown spots appear on the under surface followed by appearance of downy growth on such lesions.
It causes damage to curd, producing curd-rot.

Control:-

Give hot water treatment to seed at 50°C for 30 min with Thiram(0.3%).
Remove the diseased portions of the curd and apply copper oxychloride 50% WP @ 3 Gm/ litre to the cut surface.
Spray the crop with Mancozeb 75% WP@ 400 Gm/Acre at 10-15 days intervals, first spray be given on the appearance of symptoms.
Follow crop rotation and sanitation practices.

Like and share with other farmers by clicking on button below.

14/01/2018

Downy Mildew in Cucurbitaceae

Symptoms:-

Control:-

Like and share with other farmers by clicking on button below.