Glasshouse potato aphid

deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves in the crop can cause deformed [...] hosts, and the two types of life cycles occur on the same host plant. The aphid can overwinter not only in greenhouses, but also outdoors in sheltered places [...] lumpy leaves and curled leaf margins. The immediate effects of piercing by the aphids are visible in lower leaves in the form of yellow patches. Heavy yellowing

Tropicals

whereas in other countries this group of plants is often referred to as ‘Green Potted Plants’. In colder climates north of the equator, tropical plants are [...] grown as houseplants and set outside during the warm, sunny months. Commercially, tropical plants can be grown in colder climates, but they must be grown inside [...] to what most people expect, many of the tropical plants do not do well in direct sunlight and should be located in shadier environments. Because many tropical

Tea

belongs to the genus Camellia and family Camelliaceae. Tea plant is an economically important plantation crop extensively cultivated in the hills of N [...] well in hot and humid climate. The ideal temperature for growth is 20-30 0 C. It requires well distributed rainfall 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 tea, were C. assamica (Assam jats)

Downy mildew of Cucurbits

around 15 o C and the closer the temperature is to this, the shorter the leaf wetness period that is required. Inside the plant, the pathogens produce [...] small organs with which the pathogen can take up nutrients from the living plant cells. The pathogens continue to grow inside the leaves and after a while [...] brown. On the underside of the leave fluffy growth appears which is first white and later turns grey-brown. This is actually the sporulation of the pathogens

Consumers

form fruit before the tomato can actually start to grow. In nature, insects and other animals take care of the pollination and therefore the formation of fruit [...] and parasitic wasps are released to combat harmful insects, in the same way as they do in the wild. Koppert supplies various species of parasitic wasps, [...] horticultural crops. The bumblebee is a close relative of the honeybee. In 1987, it was established that bumblebees could prove extremely useful in greenhouses

Green peach aphid

unsuitable for market. At the same time, photosynthesis in the leaves is reduced, affecting production. The aphid’s saliva can induce strong “allergic” [...] symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp. persicae ) is the most important vector of viral diseases. It can transmit at least [...] from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation

Spical

Turn and shake the bottle gently before use Push the centre of the cap to open the dosage hole Sprinkle material on leaves Make sure the material remains [...] introduction as soon as the first pest mites are detected in the crop. Introduction rates typically range from 25-125 per m 2 /release. Releases should be repeated [...] product can be stored for 1-2 days. Storage temperature 8-10°C/47-50°F. Storage conditions In the dark, bottle horizontally.

Chrysopa-E

after receipt. If necessary, the product can be stored for 1-2 days. Storage temperature 8-10°C/47-50°F. Storage conditions In the dark. [...] find. Chrysoperla carnea larvae are active mainly during the night. The larvae hide during the day. Pack size 100,000 eggs. Presentation 90 ml cardboard [...] eggs Can be applied with Natutec Airobreeze, Natutec Airbug or Natutec Airobug only when mixed with (other products) with carrier material Dosage The dosage

Tomato leafminer

place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil [...] mine inside the leaf, stem or fruit. In the second to fourth instars they become greenish with a black band behind the head. The prepupae of the tomato leaf [...] Damage symptoms The most distinctive symptoms of damage done by the tomato leaf miner ( Tuta absoluta) are the blotch-shaped mines in the leaves. Caterpillars

Swirski-Mite

shake the bottle gently before use Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material [...] after receipt. If necessary, the product can be stored for 1-2 days. Storage temperature 12-14°C/54-57°F. Storage conditions In the dark, provide ventilation [...] Start introduction as soon as the first pest mites are detected in the crop. Introduction rates typically range from 25-300 per m2/release. Releases should