• Mealybugs and scales

  fruit are concerned, these often drop off; plant sap is low in proteins and rich in sugars. In order to gain an adequate intake of protein, mealybugs must [...] because of the sooty mould that grows on it. Ants are also attracted by the honeydew. In fact, the honeydew with its sooty mould is usually the first sign [...] scales also produce honeydew (on which moulds grow) resulting in considerable damage in ornamental and fruit crops and loss of value. Armoured scales do

• Parasitic wasps

  wasps control pests in agriculture. This process involves the parasitic wasp laying its eggs inside or on a host pest. Here's how it works: Egg laying: [...] wasp reaches maturity, it emerges from the host's body or the cocoon. The host pest is typically killed in the process. Host feeding In addition to parasitization [...] eventually killing it. These wasps are highly specialized, with different species targeting specific pests. They are effective in reducing the population

• Grape mealy bug

  males. Mealy bug completes its life cycle in 30 days. Ants are get attracted to honey dew secreted by mealy bug and helps in spreading of mealy bugs. [...] infestation of mealy bugs. Feeding damage in grapes is minimal but the marketability is greatly affected due to its cottony egg mass, honey dew, sooty mould [...] bugs are found in crevices of stem, on leaves and berries. Mealy bugs are pinkish and covered with white mealy wax. Female lays 300-500 eggs in loose cottony

• Crazy roots, hairy roots, crown gall

  growth (crazy roots). In greenhouse vegetables, the roots overgrow the substrate and in severe epidemics the drippers get clogged. In tomato, excessive vegetative [...] not yet been defined. The assumption is that the bacteria survive in the soil, but it is possible that first infection is from the propagation material [...] caused by a change in the hormonal system of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue

• Treatment of bumblebee stings and allergies

  Bumblebees are found in the natural environment in many countries. In addition, bumblebees and honeybees are used as pollinators in agricultural and ho [...] barbs. When a honeybee tries to withdraw its stinger, it tears loose from the abdomen, taking the venom gland with it. How to prevent bumblebee stings? Bumblebees [...] generally it starts after some hours. The swelling or itching may last for hours or even days. In some cases, the local reaction may spread somewhat; in this

• Cottony cushion scale

  countries of the world. It is also periodically discovered in greenhouses in temperate regions, but is not generally a pest in these situations. Damage [...] purchasi , is considered to have originated in Australia. It was accidentally introduced to California in about 1868 and devastated the citrus industry [...] industry there until a natural enemy from Australia was introduced in 1888. This was the first ever example of successful classical biological control. The cottony

• Red palm weevil

  After the cocoon is formed the larva enters a pre-pupal stage, its body contracts and it does not crawl any more. The future adult organs are well visible [...] with distribution through the Mediterranean since the 1980s. Damage symptoms It is very difficult to recognize the first signs of red palm weevil ( Rhynchophorus [...] soft tissues mainly at the base of living fronds. Larvae are present and feed in the softest and most humid living tissues (growth areas) with a low to moderate

• Gherkin

  pickled cucumber (usually referred to as ‘pickle’ in the United States and Canada or generically as ‘gherkin’ in the United Kingdom, Ireland and Australia) is [...] is actually a regular cucumber that is pickled in vinegar, a brine or some other solution. It is then left to ferment for a certain period of time. Fe [...] Fermentation takes place by putting the cucumbers in an acidic solution or use lacto-fermentation to sour them.

• Cut flowers

  Hydrangea , has its origins in Asia and North and South America. Some species have developed into large trees, others into small compact shrubs. In recent decades [...] cut flower in all sorts of colors and sizes. Hippeastrum is the Latin name for a bulbous plant that originates from Central and South America. It is a bulb [...] plants. Most lilies originate from temperate areas in the northern hemisphere, but they also occur in the northern subtropics. Recommended for you Fusarium

• Greenhouse whitefly

  retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. The [...] makes it sticky. Dirt adheres to the fruit, and the growth of sooty moulds ( Cladosporium spp .) is encouraged, making it unsuitable for sale. In serious [...] vaporariorum ) is one of the major pests of vegetable and ornamental crops in greenhouses throughout the world. The greenhouse whitefly ( Trialeurodes