Root rot of carrot

the disease forms circular to irregular spots on the leaves that vary in colour from grey to almost black. The spots appear to be sharply defined, but under [...] -3°C to 25°C, with an optimum around 18°C. Lesions are dark brown to black, moist, mostly circular spots 0.5 -1.2 cm diameter that extend only to 2 mm [...] the leaf will die off. The fungus appears to prefer older tissue. In the field, the disease is difficult to distinguish from both Cercospora and Alternaria

Root and crown rot of strawberry

clavispora. Pestalotiopsis clavispora has been connected to strawberry diseases, but has also been linked to rose diseases. Damage symptoms Pestalotiopsis clavispora [...] stimulates disease development. How to prevent Root and crown rot of strawberry Avoid stress: Take runner tips at the right stage to avoid stress and make plants [...] Avoid overhead irrigation, since it seems to increase disease development Provide balanced nutrition Avoid damage to the plants by pest insects or plant handling

Cercospora leaf spot

greyish brown, circular with small to large grey centres and dark brown margins. The spots may enlarge to 1 cm to more and later coalesce. The spots dry [...] has the ability to overwinter in plant debris and remains in the field for long time. Management Spray Veni GoKlean at the rate 1.25 to 1.5 ml per litre [...] dry up results in shot-hole appearance to the leaves. Severely infected leaves drop off prematurely results in reduced yield. Stem, petiole and pods are

Early blight

specific symptoms. Damage symptoms Alternaria solani causes small green to dark brown spots to occur on leaves. Those spots then turn into dark brown angular lesions [...] of leaves, Alternaria solani can spread to the flowers (especially dangerous in crops for seed production) and to the crown. Sporulation of Alternaria occurs [...] A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive to infection. In greenhouses: avoid high RH. Prevent plant diseases

Pomegranate wilt complex

Management Mix Veni GoKlean at the rate 2 to 3 ml per litre of water and drench 20 to 25 litre of solution per tree to the root zone by making the ring around [...] leaves and branches. The entire tree dies in few months. Dark greyish brown to black colouration of wood below bark and vascular discoloured bands in the [...] at weekly intervals. Mix 10gm Vici Routz SP in 10 liter of water and drench to the root zone per tree 12 days after final drenching of Veni GoKlean.

Pomegranate bacterial blight

reduced plant health leads to swift development of bacterial blight. Symptoms Development of water-soaked spots which turns to dark black colour oily appearance [...] spread. Management Spray Veni GoKlean at the rate of 1.25 to 1.5 ml per litre of water at 10 to 12 days intervals. [...] symptoms. Necrotic water-soaked spots appearance on the fruits which turn to dark brown colour slightly raised with oily appearance. Splitting of fruits

Black rot of carrots

infection and this may lead to death of seedlings. From the primary infection of leaves, this type of carrot disease can spread to the flowers (especially [...] A. brassicae and A. brassicicola : adjust the sowing date to avoid conditions conducive to infection. In greenhouses: avoid high RH. Prevent plant diseases [...] several years, in the case of black rot of carrots ( Alternaria radicina ) up to 8 years. Damage symptoms Black rot of carrots ( Alternaria radicina ) causes

Pierce's disease of grapevine

bacteria, gum and tyloses block the vessels, causing the plants to wilt. Transport to different plant parts depends on the plant species: in peach, bacteria [...] cultivated crops. The spread from one host plant species to another is still under investigation and seems to depend on the location of the bacteria in the infected [...] down the spread both within this crop as well as from this crop to other crops. How to prevent Pierce's disease of grapevine Control vectors by using netting

Charcoal rot

discolouration of vascular and cortex tissue (outer tissue layer) to orange-brown to dark brown. Cutting the roots may show the same discolouration of [...] corn stalks, survival of up to 1.5 years has been reported. The density of the microsclerotia in the soil is directly related to disease incidence. Within [...] problem. How to prevent Charcoal rot Plant in fields with no history of the disease Use disease-free planting material Rotate with non-host crops to reduce inoculum

Wheat bunt

teliospores. These balls break during harvest allowing the teliospores to fall to the ground. Additionaly, these teliospores contaminate healthy kernels [...] correlated to temperature and precipitation in the first 11 days after sowing, with maximum disease incidence at an average temperature of around 6 to 7 °C during [...] Damage symptoms Plantsinfected by Tilletia tritici and Tilletia laevis are hard to distinguish from infected plants before head emergence, although affected