• Chrysanthemum

  cultivars has been developed for commercial propagation and production. The current, commercially cultivated chrysanthemums are more striking than the wild [...] genus consists of many hybrids and an extensive range of cultivars that are produced for commercial, horticultural purposes. Traditionally, yellow is the main

• Sugar cane

  major commercial cultivars are now complex hybrids. The crop has tall, fibrous stalks with distinctly jointed internodes. These are rich in sucrose and can [...] from sugar cane for 80%, with the remainder made from sugar beet. As a tropical and subtropical crop, it requires plentiful rainfall for a period of more

• Cutworms

  General Cutworms ( Agrotis spp.) are occurring worldwide. Important species are for instance the black cutworm Agrotis ipsilon and the turnip moth Agrotis [...] circular position. Pupa are brown to dark brown and 17-25 mm long. Females are capable of laying several hundred eggs. There are six to seven larval stages [...] thorax is covered with close-lying hairs. The eggs are white at first but rapidly turn darker. They are laid separately or in batches on the ground, or on

• Don Sanchez Fresh innovates with biological control in avocados

  sustainable agricultural practices. More and more retailers are even requiring extra-legal conditions for the marketing of fruits and vegetables in their aisles [...] successfully controlled the white mite, a pest that had been a major problem for several berry growers in the region. That was when they learned about Koppert's [...] further. Pest and disease control in avocado trees In avocado production there are a number of pests such as thrips , brown spiders, crystalline spiders, worms

• Potato aphid

  throughout the world. It is a highly polyphagous species with a preference for Solanaceae (particularly potato), but has also been identified on more than [...] 20 families. Various vegetable and ornamental crops grown in greenhouses are colonized, including tomato , aubergine and roses. Damage symptoms Nymphs [...] honeydew, contaminating fruit and ornamental crops and rendering them unsuitable for market. At the same time, photosynthesis in the leaves is reduced, affecting

• Rose aphid

  rose aphid are 1.7-3.6 mm long and green or deep pink to red-brown. The antennae and sometimes the head is dark in colour. The siphunculi are black and [...] rose aphids retard the growth of buds and new shoots. Foliage and flowers are often disfigured and contaminated with sticky honeydew on which black sooty [...] colonies of aphids can build up on roses in spring and summer; sometimes shoots are completely covered by aphids. In summer, winged aphids spread the infestation

• Integrated Pest Management

  Predatory mites , parasitic wasps and beneficial nematodes are examples of beneficial organisms used for biological pest control . The beneficial organisms prey [...] This involves a close inspection of plants for signs of pests and diseases. This practice proves invaluable for early issue identification and prompt action [...] tools are not fully capable to keep pest or disease levels below the economic threshold, chemical intervention might be necessary. IPM advocates for the

• Tropicals

  forms of controlled environment agriculture. For this reason most commercial produced tropical plants are grown is southern states. Tropical plants require [...] About The definition of ‘Tropical Plants’, are plants that grow naturally in a tropical climate. Tropical plant is a typical north American term, whereas [...] Potted Plants’. In colder climates north of the equator, tropical plants are often grown as houseplants and set outside during the warm, sunny months.

• Tomato leafminer

  absoluta ) are grey-brown with filiform antennae, alternating light or dark segments and recurved labial palps, that are well developed. Black spots are present [...] present on the anterior wings. Adults are nocturnal and usually hide between leaves during the day. Recommended for you Plant Pests [...] distinctive symptoms of damage done by the tomato leaf miner ( Tuta absoluta) are the blotch-shaped mines in the leaves. Caterpillars prefer leaves and stems

• Greenhouse whitefly

  and adult. The larvae are found on the underside of young leaves and have an oval shape. The first instar larvae (crawlers) are mobile, whereas the rest [...] Hundreds of plant species from different families serve as suitable hosts for this whitefly. It occurs on many crops, including aubergine, beans, cucumber [...] poinsettia. Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This contains a high