In the battle against the greenhouse whitefly ( Trialeurodes vaporariorum ) , HortiPro enter the pheromone Pherodes as an advanced answer for the signaling and monitoring of this persistent pest . The whitefly , which has been an found blighter in Dutch greenhouse since the 19th century , has a extensive image of host industrial plant including tomato plant , peppers , garden egg , gerberas , various potted flora , etc .
fully grown whiteflies lay their eggs on new leave , while the larva , find themselves on the bottom of the leaf . They cause damage by extracting nutrient and secreting honeydew , which leads to the ontogeny of sooty mold and modified plant photosynthesis .
Lifecycle of the glasshouse whiteflyThegreenhouse whiteflyhas a ontogenesis cycle of six leg , with the adult tent-fly distinguished by its big , white appearance and characteristic , partially overlapping , roof - shaped flank . orchis start white and turn to purple , while the larva and pupa are flat discs and beige oval . The reproduction rate and the evolution meter from egg to adulthood bet on both temperature and host plant ; on tomato plant life , this ranges from 21 days at 25 ° C to 51 days at 15 ° C .
Curbing the universe exploitation of the nursery whiteflyGiven the important damage make by the glasshouse whitefly , HortiPro has develop a specific pheromone to attract both male and distaff whitefly to yellow awkward lying in wait . These are equip with a central hole of 14 millimeter for the pheromone dispenser . The dosage of the dispenser varies per coating : 20 dispensers per hectare for signaling , 50 for regular monitoring , and more than 100 dispensers per hectare for intensive monitoring .
The placement of the pheromone has been carefully considered . For example , in tomato cultivation , sticky trap are attached to rolling wave trap and in decorative culture , HortiPro advises magnetic hooks on greenhouse pole constructions . For potted plants , the unenviable trap can be attached to a bamboo pin to place it among the crop .
you should supervise 20 viscid traps per hectare weekly to assess the universe growth and the effect of rude enemies , selective leafy vegetable , or chemical substance mastery . Consultant Eric Kerklaan advises : " revolve these counting denture weekly to avoid too much counting study during the weekly scouting round . The other plate can be change once every 4 weeks . "
PheroDes at EveryD Flowers in De Lier , summer 2023
Combating whitefly larvae and adultsWith PheroDes , growers gain an additional choice in the competitiveness against greenhouse whitefly . " The pheromone provide valuable sixth sense into effective strategies for the control of glasshouse whitefly . "
Also in HortiPro ’s portfolio is Naturalis - L. " It is an effective selective light-green agentive role on the various larval stages and adults of the nursery whitefly . Naturalis - L is a fluid bio - insecticide base on the fighting component Beauveria bassiana , stress ATCC 74040 . " Naturalis - L is very soft for good insect and is free from MRL . In combining with the natural broadcaster / stickerHelioTerpen ® Filmthe effectiveness of Naturalis - L is further enhanced . "
If growers have questions or need clarification on the practical program strategy of this pheromone , the HortiPro team advises agriculturalist to contact their crop protection advisor . " They can arrange an appointment for you with HortiPro . By form a collaboration between customer , supplier , and manufacturer , we can battle the greenhouse whitefly in an integrated and good manner . "
For more information : HortiPro[email protected]www.hortipro.com
