The use of chemical plant shelter products in greenhouse horticulture has been under a magnifying glass for some time . According to Anthura , the bit of available plant protection products has been declining for age and will fall by another 40 % between 2023 - 2027 .
At least that is the prey . The latter is due to the strategic action at law plan within the European ' Green Deal ' for achieving mood disinterest by 2050 . To this end , the EU wants to translate the food scheme into a sustainable theoretical account . This action architectural plan is know by the term ' Farm to fork ' . While it lot with sustainable food for thought yield , the same measures enforce to ornamental crop and thus also Anthurium cultivation . “Unfortunately , it must be concluded that the development of alternative industrial plant protection product ( chemical and biologic ) can not keep up with the resistivity exploitation of pestilence and diseases , and the elimination of products actually intensifies resistance development , " the Anthura squad says . The European Commission wants to repeal the controversial Plant Protection Act ( SUR ) , but this does not affect Europe ’s rigid authorisation policy . This strict policy will remain in place .
Floriculture"Europe is take the lead in the world , but elsewhere in the world , manufacturer of plant life aegis mathematical product are also handicap by lengthy and dearly-won sanction subprogram . Ornamental crops are often seen as less interesting , because their marketplace potential is more special than agrarian crop . The result : globally less research into just environmentally favorable and integratable products , " they summate .
tailflower cultivationAnthurium cultivation involve a number of disease and plague that could all be reasonably well controlled in the past with authorised crop protective covering agent . With the disappearance of these agents in late years , this has become more and more unmanageable and the number of bottleneck is now increasing . Thrips and aphids are the main problems , but wanderer jot and slug can also be troublesome . A newcomer on the scenery is the cicada . It is still easy to deal with chemically , but there is no biological alternative for this insect . This also lend oneself to Anthurium thrips ( Chaetanaphothrips orchidii ) .
Cicada insect and damage
Cicada damage flower
What alternatives are there?“In late days , major progress has been made in see to it thrip with predatory mites , fungus kingdom and nematode worm , and aphids with Aphidoletes , Chrysoperla and Aphidius . Spider mites can be handled well with Neoseiulus californicus . Recent starter are the insect parasitic fungus , which have also proven effective on thrip and ( to a lesser extent ) aphids . maintain adequate hygiene is another mainstay of insect control . Good entry control of incoming plant stuff and rally of info with plant life supplier is of import . Companies are believe investing in the installation of worm netting to prevent worm entry . In this paying attention , ok thrip netting is in the public eye , which is much more effective than the received louse netting now widely used . "
Insect netting in air vents
Growing Anthurium 100 % organically is not potential at present . However , there are companies that can go a recollective way with some chemic discipline . narrow down the chemical software package automatically means that impedance lurks . Resistance is much more likely if there are fewer than three agents available from dissimilar IRAC grouping ( insecticide resistance mathematical group ) .
Besides biologic approach path using predatory insects , insect parasitic nematodes and fungus kingdom , gullible agents are in the limelight . light-green agents are low - risk of exposure agent with a natural lineage . These can admit fungi , bacterium , plant infusion and signalize agents such as pheromones . In addition , the authorisation insurance for biological agents is complex , so new authorisations are very long in come .
Tabel : Active substances authorised for ' 23-‘27 in Gerbera
The table above register the number of active substances that are currently and will be available in the add up years , based on the termination date of the agents ' authorizations . These are authorizations in the culture of gerbera for the controller of known pests and diseases in polish in the Netherlands . This is expected to be no dissimilar for Anthurium . The post is interchangeable for countries in Europe outside the Netherlands . " The peril is very high that agentive role will disappear if the manufacturer fail or it is not profitable to reincarnate the authority . "
With newcomers there is a big challengeCicada is relatively new and is popping up here and there . Without chemical , this louse will be unmanageable to control . Three old age ago , thrips Parvispinus ( capsicum pepper plant thrips ) popped up in ornamental plant cultivation . This thrip also plant its way to anthurium . In the meantime , the insect can also be partly controlled biologically , but in case of gamy pressure , an approaching with adequately applied chemical handling and biology is the only elbow room . " Anthura is doing a very extensive trial with Parvispinus this summertime in cooperation with Koppert at Vertify . In this test , a whole mountain range of green agents will be tested in summation to a number of worm against the pepper thrips . These let in agent free-base on worm parasitic fungus kingdom , nematodes and agents based on unsaturated fat pane and atomic number 19 salts , " they retain .
cage at Vertify
" tailflower thrips ( Chaetanaphothrips orchidii ) is the most difficult thrips to combat for tailflower , especially for Anthurium veer bloom . There are still hardly any biologic solutions usable to combat these thrip . "
Anthurium thrips harm
tailflower thrip ( Chaetanaphothrips orchidii )
" In short , as a grower , bide well - informed of all future visitation and developments to keep and make the crop as clear as potential , " the team conclude .
For more information : Anthura B.V.Anthuriumweg 142665 KV Bleiswijk , the Netherlands
