Bacterial spot

as they grow. The centre of the lesions may fall out as they become drier. Under humid conditions, the spots may merge with lesions on the petioles and [...] fruits the spots are first small, circular and green but they turn brown, become raised and look like cracked scab. Life cycle and appearance of Bacterial [...] plants and crop debris Avoid waste piles in the vicinity of the greenhouse or field Resistant cultivars of pepper are available and should be used Prevent

Brown root rot, corky root rot

more and more destruction of the root system and subsequent loss of vigour and further wilting. Life cycle and appearance of Brown root rot, corky root [...] looking plants in localized areas of the greenhouse or field. The affected plants may wilt. Also, interveinal chlorosis of leaves and premature defoliation [...] gradually break off. The corky areas often occur as horizontal bands on the roots with lengthwise cracks. No discoloration is present in the xylem tissues which

Phytoseiulus persimilis

larvae or eggs per day. Because the development rate of the predatory mite is roughly twice that of the spider mite, the number of predatory mites increases [...] on spider mites. The quantity of prey consumed depends on the predator and prey populations, the sex and age of the predator, and the temperature and relative [...] amount of webbing. It can move within the web with ease. This has the advantage that an outbreak is quickly and effectively dealt with, but the disadvantage

Orius laevigatus

Orius laevigatus is used for the control of the following pests: Thrips The natural enemy Orius laevigatus is available at Koppert as Thripor-L . How to use [...] found on the leaves, whereas older nymphs and adults are mainly found in flowers. Life cycle of Orius laevigatus You can recognize the different life stages [...] diet when prey is scarce. By regularly inspecting plants and noting the presence of these life stages, growers can effectively monitor the population dynamics

Early blight

occur at the side of the stem. Life cycle and appearance of Early blight From the primary infection of leaves, Alternaria solani can spread to the flowers [...] spores surviving in the soil are the main source of infection. Especially wheat and barley reduce the number of surviving conidia in the soil. Use resistant [...] General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause

Phytophthora blight

fungal growth on the leaves. The centre is grey-brown with a light-green edge. On the stem, elongated brown lesions occur, usually circling the stem. On potato [...] from the root to the foot, but direct infection of the foot also occurs. Exudates leaking from growing root tips promote germination and attract the zoospores [...] leaf wetness is required. Dispersal is by wind and rain causes the pathogen to be returned to the soil from infected plants. Dispersal in the soil happens

Bacterial wilt, brown rot

s roots on the stem. The vascular stem tissue is coloured brown and when the stem is cut, bacterial slime oozes from the wound. This is the way to distinguish [...] show signs of wilting during the day which may disappear in the early stages of infection. Under conditions favourable for the bacteria, the whole plant [...] organism in the United States. It is a commonly found soil-inhabitant in tropical and subtropical regions and is transferred by the introduction of propagation

Tea

belongs to the genus Camellia and family Camelliaceae. Tea plant is an economically important plantation crop extensively cultivated in the hills of North-eastern [...] states. Tea is native of China. Tea bush is sub-tropical and tropical plant grows well in hot and humid climate. The ideal temperature for growth is 20-30 0 [...] from 150 to 300cm throughout the year. Tea plantation is shade loving plant and grows vigorously under the shade trees. The original species, which produces

Damping-off

substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex with a finger nail. Life cycle [...] later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot and very little of the root system survives. On the border [...] especially dehydration. Germination of the oospores is stimulated by exudates from roots of a susceptible host nearby. The oospores germinate and form so-called

Precautionary measures for product allergies

doctor. In case of a life-threatening situation call the emergency medical services immediately. A combination of factors The level of sensitivity differs [...] few weeks of the first moment of contact, or could take years to appear. Not everyone who is exposed to allergens will develop an allergy. It is difficult [...] Application device If you use an application device, avoid direct contact and make sure that there is no one in the direct airflow of the blower. Hygiene Once you