Behind the constituent greenhouses at Bejo Warmenhuizen , on a diminished eyepatch of 3240m2 , some stunning strip of flowering crop shaped the landscape last summer . This gorgeous cowcatcher trial aimed at investigating the potentiality of diversified cropping systems and banker flora on the moral force of pest and their born enemy of seed crops . The tryout was composed of flower strips at the edges and Allium cepa , cultivated celery , and common fennel in alternating orders , with three - meter strips at the remote and six - meter strips on the inside of the field . Each alternation was separated by another three - measure landing strip of the flower salmagundi .
pest harm the seedsEspecially two genera of pestilence play a major role in seeded player yield , namely Orthops and Lygus , two member of the Miridae family . alas for Bejo , their favorite bite are the embryos of seeds . Their specialised mouthparts give up them to pierce the young seed and subsequently suck out its most alimentary content , forget behind inviable cum without embryos . In accession , the piercing of plant tissues can communicate harmful virus and diseases . Furthermore , Orthops and Lygus fancy umbelliferous crops ( Apiacea , such as carrot , celery , or fennel ) but can flourish just okay on any craw .
Natural enemiesThe sympathetic flush strips shall do as a sort of reservoir , or depository financial institution , for the rude enemies of these flora bug , due to the availableness of alternative intellectual nourishment generator such as pollen and nectar . The natural enemies of these hemipteran are mostly generalist predators , such as spiders , big - eyed bugs , damosel bugs , lacewing , and harvestmen . However , some specialised predators , like parasitoid WASP , do survive , but so far have not been very abundant . at the same time , the florescence cartoon strip aim to pin down the bugs away from the main crops by being attractive themselves , as several bloom umbellifers were include in the flower mixture .
ease plague pressureMoreover , seed crops commonly finish a bit later than crops grown for the fresh securities industry . As the harvest home is a very disturbing action , many louse pest will fly from the fields towards the surroundings , where finally , the crops grow for cum product are still flourish . This sudden influx of insects creates a strong pestis imperativeness , which we hope to ease out by immobilise them in the bordering blossom strips .
Bejo find that the most abundant pests are Orthops bug in the fennel , which also seem to boom in the flower and cultivated celery landing strip , but to a lesser extent . In Allium cepa , the most vulgar pest appear to be thrips . In regard to their predator , no clear patterns are visible just yet , and more net sweeping will be necessary to further define what is truly going on . Bejo plants , therefore , to continue these flowering trip trials in the fare years .
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