Onion thrips

inserted into the plant tissue with a saw-like ovipositor. Larvae are light to yellowish green in colour, with a large head and bright red eyes. The colour of [...] cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black [...] indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When infestations become serious the leaves themselves can shrivel

Lettuce

sativa) belongs to the daisy family, Asteraceae. It is a hardy annual that is easy to cultivate and most often grown for its leaves. It is, however, often [...] often plagued on by a number of insect and mammal pests and fungal and bacterial diseases, and can suffer numerous nutrient deficiencies.

Swirski Ulti-Mite

in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] after 4 weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for [...] Mode of action Predatory mites reproduce within the sachet and gradually disperse into the crop over a period of several weeks. Using their piercing mouthparts

Papaya

About A tropical fruit that is called papaya, papaw or pawpaw in different countries, is the fruit of the Carica papaya tree of the family Caricaceae. [...] First cultivated in Mexico, it is now grown in most tropical regions around the world. The papaya fruit is 15-45 cm in length and between 10-30 cm in [...] in diameter. Its soft skin is an amber to orange colour.

Spical-Plus

in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] multiply in the sachet and disperse into the crop over a period of several weeks. They pierce the prey with their sucking mouthparts and suck out the contents [...] after 4 weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for

Citrus

About Citrus is a genus of flowering trees and shrubs in the Rutaceae family. This includes any small tree or spiny shrub, including the lemon, lime, orange [...] or grown as an ornamental. It is believed that citrus plants are native to subtropical and tropical regions of Asia and the Malay Archipelago. Some citrus [...] trees thrive in a consistent sunny, humid environment with fertile soil and adequate rainfall or irrigation. Today, in the United States, the most important

Spider mites and other mites

covered with such webs in which the mites live. The webbing and spotting on the leaves affect the appearance of the crop. This is of particular concern in ornamental [...] cause damage to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce the cells and suck out the contents [...] that present a threat to many crops throughout the world. Despite their small size, they are capable of causing severe damage very rapidly due to their great

Ercal

Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in the crop, if possible a [...] control is achieved. Depending on the specific situation, it may be better to switch to the use of En-strip or Enermix. Consult a Koppert advisor or a recognized [...] approximately 75 cm under the plant head Avoid hanging cards at places exposed to direct sunlight Dosage The dosage of Ercal depends on climate, crop and

Spinach

oleracea ) is an edible flowering plant of the Amarantha family that originates in Asia. It is consumed as vegetable and is rich in iron. It is grown as a vegetable [...] vegetable worldwide and growths to a height of about 30 cm. It is eaten fresh, steamed or boiled and has a high nutritional value.

Rice

grain and the most popular staple food for a large part of the world population, especially in Asia. Rice is a monocotyledon and is usually cultivated as [...] About Rice is actually the seed of two particular species of grass: Oryza sativa (Asian rice) or Oryza glaberrima (African rice). Rice is a serial grain [...] climates however, it can be grown as a perennial and can produce a ratoon crop for as long as 30 years. The edible seeds of the plant (caryopsis) are usually