• Rice root aphid

  January 1, 1970

  or all of the following symptoms: Wilting; leaves become discoloured and yellow. “Honeydew” deposited on the plant by aphids promotes the growth of mould [...] mould and fungus. Transmission of viral disease between plants. Life cycle and appearance of the Rice root aphid Like most aphids , the rice root aphid appears [...] plants grown in both soil and hydroponic systems. Unlike other aphids , most of this pest’s life cycle takes place underground, so it may be difficult to

• Plant Health

  January 1, 1970

  Fostering plant resilience: the role of plant compounds Defense mechanisms through complete compounds The degree of plant resilience is linked to its ability [...] and fulvic acids, vital components of humus, improve seed germination, seedling growth, and biomass development of roots and shoots. They also exhibit [...] absence of toxic substances. Plant Health Products Embracing a systems approach for sustainable agriculture Recognizing the negative impacts of food production

• Melon

  January 1, 1970

  About A melon can be any one of several plants belonging to the family of Cucurbitaceae . The melon plant produces a usually sweet and edible, fleshy fruit [...] produced on a commercial scale, especially muskmelons. The most common species of melon are: Watermelon ( Citrullus lanatus var. lanatus ) Muskmelon ( C. melo

• Air Blowers to distribute and apply beneficials

  January 1, 1970

  by using one of our blowing systems instead of hand application Introduce several predatory mite species in one way Uniform distribution of natural enemies [...] release of carrier material containing natural enemies. The airflow from the fan guarantees the even distribution of this material up to a distance of 10-12 [...] release of carrier material containing natural enemies.The airflow from the fan guarantees the even distribution of this material up to a distance of 3-5 metres

• Potato/tomato psyllid

  January 1, 1970

  and proving difficult to control. In light of this, the export of fruit from susceptible crops to some parts of Europe, and the import into Mexico, is difficult [...] permanent yellowing disease in tomatoes, both of which are very harmful to the affected crops. Lifecycle and appearance of the potato/tomato psyllid The eggs are [...] Overview It is a pest of huge economic importance, which initially affected potatoes and in recent years has become a problem for other Solanaceae crops

• Tarnished plant bug

  January 1, 1970

  especially common across the eastern half of the continent, from northern Canada to southern Mexico. It is one of the most damaging Hemiptera species, known [...] edges of nurseries, and destroying favourable overwintering sites. Damage symptoms Lygus bug adults and nymphs attack the seeds, buds and flowers of plants [...] internodes become elongated; The number of vegetative branches increases and plants develop multiple crowns; Transmission of diseases, such as soft rot and ring

• Stable fly

  January 1, 1970

  bunches of 25–30) in humid areas with large amounts of decaying organic matter, such as compost piles, hay bales, spilled feed and near the edge of silage [...] and can travel up to 20 km in search of new hosts. Damage symptoms Stable flies typically congregate on the legs of livestock to feed, and the population [...] for “sharp mouth”; a fitting moniker, as these flies are the only members of the Muscidae family that feed on mammalian blood (particularly cattle and

• Tomato looper

  January 1, 1970

  black dot above the lateral yellow lines. There are three pairs of prolegs, instead of the normal five and therefore the caterpillar moves with the same [...] usually attached to the underside of leaves within folded edges, on random objects and on tomato fruit, often in a bunch of ripening tomatoes, however, it [...] twin-spot moth or tomato looper ( Chrysodeixis chalcites ) belongs to the family of Noctuidae . It is a tropical and subtropical species originating in the M

• Spidex Vital lives up to its promises

  January 1, 1970

  earlier, the population develops more rapidly.’ A sense of calm on the farm The increased effectiveness of Spidex Vital is a major advantage for Sjaak van Dijk [...] problems in cucumbers. The ability of Spidex Vital to tackle spider mites and hot-spots effectively brings a sense of calm to the farm.’ He states that [...] game changer in spider mite control. It changes the rules of the game and is even more in control of spider mites . And the grower reaps the benefits.’

• Japanese beetle

  January 1, 1970

  foliage is the most common symptom of feeding by the adult. The beetles generally feed from the upper surface of leaves, chewing out the tissue between [...] and sometimes kills the plants. Life cycle and appearance of Japanese beetle Newly-laid eggs of the Japanese beetle are about 1.5 mm long, pearly white and [...] than 100 years ago. Although not a pest in Japan, extensive turf, and a lack of natural enemies, allowed populations to rapidly build up and spread steadily