Doença da sigatoka negra

die within a few weeks. Because of the lack of leaf tissues, fruit maturity is hampered. Life cycle and appearance of Black sigatoka disease Black sigatoka [...] conidia. The ascospores are wind-dispersed over longer distances, the conidia are splash-dispersed within the crop. Both types of spores cause the exact same [...] yellow spots or streaks on leaves of about one month old. The symptoms run parallel to the veins. Within a few days, the spots become a few centimetres in

Predatory Mites Whitepaper

has the highest numerical response to whiteflies and is the best option when the pest pressure is high. • In laboratory trials the oviposition of A. andersoni [...] there is till some predation but development is very slow. If the temperature is below 8°C for a longer time, A. swirskii will die. Control of thrips [...] swirskii and A. andersoni predate about the same number of thrips per day. If sufficient food is available, the population of A. swirskii grows much faster than

Effect of Nezapar Leaflet

difficult choice; the labour-intensive manual squeezing of the stink bug, risking damage of their valuable crop, or the application of disruptive corrections [...] wasps and their capacity to parasitize, thus impacting the development of Nezara, has been described in research papers for some time. Koppert is the first [...] basalis is the most widespread egg parasitoid of Nezara viridula. The females start to mate and lay eggs immediately after emerging from the host eggs

Whitepaper new Myzus persicae genotype

experimentally tested. Faster production of winged aphids is, however, highly likely since the faster growth of the aphid colony will more quickly lead to [...] Know Thy Enemy The appearance of a new Myzus persicae genotype Myzus persicae is well known to quickly develop pesticide resistance. In the past 80 years [...] from the ‘regular’ M. persicae in the field (based on how it looks), this was not the case. Claims about this genotype being a darker shade of green and

Pollination checklist Growing lights

pollination. The sun activates the bumblebees 09:00 08:00 Keep the hives closed during one day of snowfall. If possible, remove the snow from the roof. 07:00 [...] sure the hives are not overheated by the lamps and other means, or by the sun in spring and late autumn. The later the lights are turned on, the more [...] daylight) there is for the bumblebees to pollinate. For pollination, bumblebees need at least 28 Watt/m2 PAR light near the hive and the presence of Ultraviolet

Beneficial Nematodes against Horticultural Pests

combat a significant variety of pests in a wide range of temperatures, such as the pupae and larvae of thrips, the larvae of vine weevils and several beetles [...] pest best? This is an overview of the nematode-pest combinations that have been tested successfully so far. However, effectiveness of the nematode solution [...] nematodes in 1986. Many years of experience have gone into the selection, breeding and quality control of these nematodes. Each of the entomopathogenic nematodes

Mycotal - Effective at lower temperatures

regime of 5 °C at night and 14 °C during the day, mimicking a cold day in the greenhouse. The lines are predicted values and the ribbons around the lines [...] regime of 5 °C at night and 12 °C during the day, mimicking a cold day in the greenhouse. The lines are predicted values and the ribbons around the lines [...] night and 14 °C during the day, mimicking a cold day in the greenhouse. The lines are predicted values and the ribbons around the lines are 95% Confidence

Whitepaper about the effective control of Myzus persicae

pest. This research indicates that the parasitic wasp Aphidius matricariae is a more effective agent for the control of M. persicae to Aphidius colemani [...] Myzus persicae Effectiveness of two Aphidius species Controlling Myzus persicae in the crop has become increasingly challenging in recent years. In response [...] while at the same temperature A. colemani can only parasitize 40 aphids • Between 20 ºC and 25 ºC both species can parasitize a similar number of aphids

Nematóides benéficos para o controle de pragas em culturas externas

Committed to find the right solutions To make our world more sustainable, we need ways of growing that are both safe and healthy. We believe the answers to these [...] he laid the foundation for today’s Koppert. Now Koppert’s third generation is introducing this valuable legacy of knowledge and experience to the field of [...] Koppert, a Dutch grower with a clear vision; the world needed an alternative for chemical pesticides. He was the first to introduce a natural enemy to combat

Poster - Recognizing stink bugs

goes through five nymphal instars. Eggs are laid on the under surface of leaves. The egg package usually has a hexagonal shape. Nezara viridula Eggs First [...] Recognizing stink bugs The Southern green stink bug Nezara viridula is a highly destructive pest damaging many important food crops. Nezara viridula goes