• Tobacco whitefly

  January 1, 1970

  which the red eyes and white wings of the adult are already clearly visible. These pupae are found on the oldest leaves. The adult emerges from the pupa [...] after emerging. The insect is covered with a white waxy substance. The adult of the tobacco whitefly ( Bemisia tabaci ) closely resembles the greenhouse whitefly [...] sugar, and the excess is excreted as honeydew, with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of

• Diamond back moth

  January 1, 1970

  regions. Damage symptoms The caterpillar is a surface feeder. They feed from the lower leaf surface, leaving the wax layer on the upper surface intact, thereby [...] may occur in the florets. Initially, the pupa is pinkish-white to pinkish-yellow and changes to brown before adult emergence. The adult of the diamond back [...] (Plutella xylostella) is slender, greyish brown with pronounced antennae. The hindwings are narrow, pointed toward the apex. The tips of the wings appear to

• Glasshouse potato aphid

  January 1, 1970

  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 [...] length exceeds that of the body. The legs are also long, there are two distinctive dark green spots on the abdomen at the base of the cornicles. Alate (winged) [...] shed white skin, betraying their presence in the crop. The wingless adult stage of the greenhouse potato aphid is rather squat, of medium size (1.8 - 3.0 mm

• Potato

  January 1, 1970

  About The word ‘potato’ ( S olanum tuberosum ) is used to refer to the plant itself or its edible tuber. The plant is an herbaceous perennial and came [...] America in the second half of the 16th century. Potatoes as a food crop were introduced by the Spanish. Now this starchy, tuberous crop is an integral [...] integral part of the world’s food supply and many people’s diet. In terms of volume, potato is the fourth-largest food crop in the world, after maize, wheat and

• Cut flowers

  January 1, 1970

  greatly. Important types are: Rose: The rose belongs to the genus Rosa from the Rosaceae family. The flowers of the plant are also called rose. There are [...] from Central and South America. It is a bulb plant from the large family of the Amaryllidaceae, the narcissus family. The Hippeastrum comes from America, [...] northern Argentina to Mexico and the Caribbean. Is grown from a bulb as a cut flower or sold as a pot plant. Freesia : The freesia is a herbaceous perennial flowering

• Wheat

  January 1, 1970

  specifically the Levant region that lies east of the Mediterranean. The wheat plant is an annual plant which is sown either in spring or autumn. The plant flowers [...] flowers from about the end of May to the beginning of June. This flowering period is rather long (usually lasting longer than a week), because not all flowers [...] About Wheat ( Triticum spp., most commonly T. aestivum ) is a cereal grain, but botanically a particular type of fruit referred to as caryopsis. Wheat

• Chrysanthemum

  January 1, 1970

  About The chrysanthemum ( Chrysanthemum spp. ), also called mum or chrysanth, is a flowering plant that belongs to the genus Chrysanthemum of the family [...] family of Asteraceae. The plant is originally from Asia and northeastern Europe and the majority of the different species derive from East Asia. Especially [...] propagation and production. The current, commercially cultivated chrysanthemums are more striking than the wild varieties. The flower heads can look like

• Tomato

  January 1, 1970

  About The tomato plant ( Solanum lycopersicum) belongs to the nightshade family of Solanaceae . The tomato is the edible fruit of this plant. The plant [...] Their stem is not so strong, so if not supported (like in a greenhouse) the stem often extends over the ground. Indeterminate tomato types are so-called ‘tender’ [...] plant is native to Central and South America and the tropical highlands. Tomato plants usually grow to a height of between 1-3 metres (or 3-10 feet). Their

• Flowering potted plants

  January 1, 1970

  yellow and purple. Phalaenopsis is also known as the moth orchid. Its genus consists of some 60 species. The Phalaenopsis is an extremely popular flowering [...] especially around Christmas. Begonia is a perennial flowering plants and belongs to the family of Begoniaceae . The genus consists of 1,795 different plant [...] Kalanchoe is a tropical, succulent flowering plant and a genus that consists of about 125 species belonging to the family of Crassulaceae . Hibiscus is well

• Codling moth

  January 1, 1970

  It is very common in Europe. Damage symptoms After invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen [...] days. The first instar larvae burrow into the fruitlets, often through the calyx. Larger fruits are usually entered through the side or near the stalk [...] seen and is usually plugged by dry frass. The larva then burrows towards the core and eats a large proportion of the flesh, leaving behind brown frass.