• Pepino mosaic virus

  January 1, 1970

  Inside the host cells, the viral RNA is copied and integrated into the host genome. This process involves the synthesis of viral proteins and the assembly [...] which strain – that causes the infection is one them. The moment in the crop cycle when the infection takes place is another factor that might have an important [...] Four different strains of the virus are known: the Chilean strain (CH2), the European strain (EU), the Peruvian strain (LP) and the American strain (US1).

• Acadian Organic

  January 1, 1970

  Ascophyllum nodosum products contain bioactive compounds that modify the physiological processes in plants, promoting root and plant growth, improving nutrient [...] overhead, furrow, flood and other types of irrigation at the suggested rates. Apply after the system is fully pressurized and inject solution as necessary [...] increase desirable yield and quality, enhance overall plant nutrition, support plant establishment and development, improve plant vigor, and maximize crop potential

• Spidex Boost

  January 1, 1970

  Hold sachets by the cardboard strip at the top, to avoid damaging the predatory mites In contrast to other Koppert products containing mites in sachets [...] few days. Dosage The dosage of Spidex Boost depends on climate, crop and pest density and should always be adjusted to the particular situation. Start [...] y or as soon as the first spider mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should

• Encarsia formosa

  January 1, 1970

  carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in [...] then consumed from the inside out by the developing larvae. The larvae feed on the internal tissues of the host, leading to its death and thereby contributing [...] preferably selects the third and young fourth larval instars. This offers the best chance of successful development. The egg is 0.08 mm long and 0.03 mm wide

• Aphidius matricariae

  January 1, 1970

  in both agricultural and horticultural settings. Aphidius matricariae is used for the control of the following pests: Myzus spp. The natural enemy Aphidius [...] climate, crop and aphid density and should always be adjusted to the particular situation. Start introduction preventively soon after planting of the crop. I [...] most effective between 15 and 25°C (59 and 77°F). The effectivity is reduced at temperatures above 28°C/82°F. Behaviour of the parasitic wasp Aphidius

• Gummy stem blight

  January 1, 1970

  recognized from the outside by the small narrowing of the tip of the mature fruits. The symptoms on stems, leaves and inside the fruits may occur together [...] through the flowers. The newly produced ascospores are dispersed by air and the conidiospores by water drops, tools and hands of workers. The ascospores [...] wounds, hydathodes (the end of leaf veins) or the hair bases. Stems are infected through wounds and by the infected leaves through the petioles. Fruits are

• Crazy roots, hairy roots, crown gall

  January 1, 1970

  crown gall The primary source of infection by Rhizobium rhizogenes has not yet been defined. The assumption is that the bacteria survive in the soil, but [...] of the plant resulting from the Rhizobium infection. Rhizobium rhizogenes puts a Ri-plasmid in the plant tissue and causes a genetic change in the plant [...] species cause the growth of galls on the stems, which are first white and later turn brown. Only Rhizobium radiobacter causes galls and tumours on underground

• Grapevine powdery mildew

  January 1, 1970

  while shoots and flowers exhibit stunted growth and poor fruit set. During berry development, the pathogen colonizes the epidermis, causing the skin to lose [...] flowering and early berry development. As the season concludes, the fungus forms chasmothecia to ensure its survival through the winter. Given the polycyclic [...] Symptoms of grapevine powdery mildew vary according to the phenological growth stage and the severity of the infection. Early signs manifest as chlorotic (pale

• Integrated Pest Management

  January 1, 1970

  structure of soil or substrate that allows gas exchange between the root zone and the air above. Least toxic chemicals When the non-chemical tools are not [...] necessary adjustments. The IPM cycle is an ongoing process that incorporates the principles mentioned above. It's a dynamic approach that adapts to changing [...] It reduces the reliance on chemical pesticides, which can have adverse effects on both crops and the environment. Beneficial insects and biological control

• Entonem keeps young orchids free from fungus gnats

  January 1, 1970

  solution moving to ensure that the composition is homogeneous and the nematodes are distributed adequately and evenly over the crop.’ Important to avoid [...] come out of the packaging and later after spraying. Dennis van der Wel explains, ‘We dampen the potting soil and then spray the nematodes over the young plants [...] a is a big name in the international orchid market. The company produces young plants of the Phalaenopsis, Cymbidium, Cambria, and Miltonia varieties.