tangolias in the field and shop from the attracting men people. They may be regularly position early exposure out of S. tangolias so you’re able to take sufficient manage.
Traditional physiological control. Traditional physiological handle are going to be an effective strategy in every those people nations where the insect might have been accidentally introduced to store this new pest populace within the manage tolerance (demonstrated into the point 4.step one.step 1, P. operculella).
Monitoring which have pheromone barriers
End infestation out-of pest-100 % free potato-increasing zones. Plagued seed encourages the newest punctual give of the insect in fact it is a prime way to obtain very first infestation from inside the potato sphere. Ergo, pest-100 % free seed products tubers need to be planted.
Adequate hilling. Worldwide, larvae need certainly to go into the crushed to arrive the latest potato tubers. New infestation away from potato tubers minimizes into breadth inside the floor in which they build. Ergo potato tubers must be safeguarded well which have floor throughout the the entire cultivation several months.
End inactive floor conditions. Dry-weather criteria prefer multiplication off S. tangolias in this field just like the quantity of eggs put reduces strongly that have high ground moisture; larvae block for the very wet soil too. The growing time should be adjusted to end very long periods off dry-weather, particularly in the new days ahead of attain. If you have smaller rain, sprinkler irrigation are often used to dampen the new crushed.
Fast and you will done gather. Higher tuber wreck in the amass could have been apparently due to defer harvests in conjunction with dry-weather problems that allow numerous years to develop in the world. Throughout inactive episodes, quick accumulate is essential to stop tuber infestation (the fresh new larvae move from brand new stems on tubers in the event the bush wilts). Early-maturing kinds can also be subscribe reduce the chance of infestation. Remaining tubers (volunteer plant life) are frequently plagued because of the S. tangolias, providing a source of re also-infestation and need to be taken from industry.
Brush shop facilities. Plagued potato stores are a source of toxic contamination getting tubers kept shortly after harvest along with surrounding areas and locations. In advance of potato tubers try kept, the businesses need to be cleared thoroughly. Egg, larvae, and you may pupae frequently used in splits of your structure, brand new crushed, or in bags otherwise boxes used in stores must be removed. Only compliment tubers are going to be chose having storage.
Physical control. When you look at the Peru, a dirt ingredients off Bacillus thuringiensis is employed to guard tubers into the shops against S. tangolias. B. thuringiensis var. kurstaki is effective up against S. tangolias. The new scratchy aftereffect of different varieties of powders (kaolin, calcium supplements carbonate, otherwise someone else), which is the base of your ingredients, together with eliminates younger larvae because of the real defensive skill off new dust. Potato tubers is going to be handled (powdered) actually shortly after accumulate and you will placed in stores.
Attract-and-destroy enforce at the a density of one miss (one hundred µl)/meters dos regarding storage space to reduce the male inhabitants and you will hence tuber infestation.
This will be a petroleum materials toward pest’s intimate pheromone and you may get in touch with insecticide because the substances, that are used at a density from compatible partners coupon dos,500 droplets (a hundred µl)/ha on earth to reduce a man society and therefore leaf and you may tuber infestation
Dangles, O., Yards. Herrera, and F. Anthelme. 2013. Fresh support of your own be concerned-gradient hypothesis for the herbivore-herbivore interactions. The new Pathologist 197: 405–408.
Dangles, O., M. Herrera, C. Mazoyer, and J.-F. Silvain. 2013. Temperature-mainly based changes into the herbivore performance and interactions push nonlinear changes in collect problems. All over the world Alter Biology 19: 1056–1063.
Dangles, O., V. Mesias, V. Crespo-Perez, and J.-F. Silvain. 2009. Crop damage develops having pest types assortment: proof regarding potato tuber moths throughout the warm Andes. Diary of Used Environment 46: 1115–1121.