Whitefly

Whitefly damage The larvae need a lot of nutrients for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar, and [...] very large, feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves can wilt and drop [...] Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. By sucking plant sap and secreting honeydew, whitefly reduces

Trianum-P improves open field pepper production in Portugal

agricultural practices that respect the environment. ‘Without a doubt it is a product with a lot of potential for pepper cultivation,’ says Pedro Militão [...] consequently, obtaining a higher final production,’ explains Pedro Militão. Sociedade Agrícola Militão highly values the fact that Trianum is a 100% natural product [...] has achieved excellent results in pepper crops for processing in Portugal, a country where this biological fungicide has been registered since 2018 in its

Rice

rice). Rice is a serial grain and the most popular staple food for a large part of the world population, especially in Asia. Rice is a monocotyledon and [...] annual plant. In tropical 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

Aphids

length. They have a pear-shaped body with long antennae and two tube-like structures called tubercles on their rear end. Color: Aphids can be a variety of colors [...] ion. They may also excrete a sugary substance called honeydew, which can attract other insects and lead to the growth of a black sooty mold. Aphids life [...] various types of damage to a crop: Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth

Barley

vulgare) is a member of the grass family and a self pollinating crop. Barley is used in brewing beer, a popular source of animal fodder and a component in

Stratiolaelaps scimitus (Hypoaspis miles)

, and adult. Stratiolaelaps scimitus is a large mite with a body length of up to 1 mm. The body is pale with a clearly visible brown dorsal shield, brown [...] Introduction rates typically range from 100-500 per m2/release. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best [...] scimitus is also known under the scientific name Hypoaspis miles . It is a soil-dwelling predatory mite occurring naturally in several parts of the world

Fall Armyworm

General The fall armyworm is a polyphagous pest that is indigenous throughout the Americas. Recently, it has been found in Africa too. The caterpillars [...] millet, tomato, potato and cotton. Fall armyworm moths generally disperse in a radius of about 500 km (300 miles) before oviposition, which is sufficient [...] rapidly. Adults fly by night, and are attracted to lights, especially those with a strong ultra-violet component. Damage symptoms The developing larvae eat different

Tomato russet mite

Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be affected to a lesser extent. Damage [...] The first nymphal stage is a transparent white colour and about 0.1 mm long. They usually develop to the 2nd stage within a day. All life stages look very [...] the contents of plant cells. Affected leaves are slightly curled and acquire a silvery sheen on the underside. Later they become brown and brittle. Badly

Cotton aphid

appearance of Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses [...] distributed throughout the world but prefers the warmer regions. It has been a pest in European greenhouses since the late 1980’s, particularly affecting [...] extract nutrients 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

Tobacco whitefly

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 proportion of sugar, and [...] and subtropical countries of the world. The original habitat was probably a tropical or subtropical area, possibly Pakistan. The tobacco whitefly ( Bemisia [...] stadia remain flattened on the leaf. The fourth larva stadium develops into a yellow, almost circular so called pupa, in which the red eyes and white wings