Intercourse pheromone-baited liquids or funnel (delta) barriers indicate the clear presence of S
tangolias in the arena and you may shop by drawing male adults. They can be used to select early exposure off S. tangolias to need adequate manage.
Classical physiological control. Classical physical control are going to be an excellent method in all men and women regions in which the insect might have been unintentionally lead to store the newest pest populace within the handle tolerance (demonstrated in point cuatro.step 1.step one, P. operculella).
Keeping track of that have pheromone traps
Prevent infestation from insect-totally free potato-growing zones. Infested seeds facilitates the brand new fast bequeath of insect and that is a prime source of initially infestation in the potato sphere. Therefore, pest-totally free seed tubers must be planted.
Enough hilling. In the arena, larvae need enter the crushed to-arrive the fresh new potato tubers. Brand new infestation away from potato tubers decreases to your depth within the crushed in which it create. Hence potato tubers must be safeguarded really having surface throughout the complete cultivation period.
Avoid deceased surface criteria. Dry weather conditions like multiplication from S. tangolias worldwide due to the fact level of egg placed decreases highly which have large soil water; larvae drown within the extremely wet ground too. The latest sowing big date are going to be adjusted to get rid of extended periods from dry-weather, especially in new weeks before collect. When there is modest rain, sprinkler irrigation can be used to moisten brand new ground.
Prompt and you can complete amass . Higher tuber ruin within amass might have been frequently caused by defer harvests in conjunction with dry-weather conditions that allow numerous generations to cultivate on earth. Throughout lifeless periods, quick gather is essential to quit tuber infestation (the fresh larvae move from the newest stems on tubers in the event that bush wilts). Early-maturing species can also be join slow down the risk of infestation. Kept tubers (volunteer plants) are generally infested because of the S. tangolias, getting a way to obtain re-infestation and want is taken off the field.
Clean shop business. Infested potato places are a source of contamination for tubers kept shortly after compile and also in encompassing fields and you may areas. Ahead of potato tubers is actually kept, the businesses have to be cleared very carefully. Eggs, larvae, and pupae seem to found in cracks of one’s structure, the brand new surface, or perhaps in handbags or packets utilized for storage have to be eliminated. Merely compliment tubers would be chose to own stores.
Biological manage. For the Peru, a soil formulation out of Bacillus thuringiensis is utilized to safeguard tubers in shop facing S. tangolias. B. thuringiensis var. kurstaki is effective facing S. tangolias. The fresh new rough effect of different varieties of powders (kaolin, calcium carbonate, otherwise anybody else), which is the foundation of elements, together with kills young larvae as a result of the actual protective capacity out of the latest dust. Potato tubers might be handled (powdered) actually immediately following secure and you can listed in stores.
Attract-and-kill is applicable at a thickness of one miss (a hundred µl)/meters dos of storage space to attenuate a man inhabitants and you will which tuber infestation.
This might be an oils elements with the pest’s intimate pheromone and you can contact insecticide since substances, being applied during the an occurrence out-of 2,500 droplets (one hundred µl)/ha on the planet to attenuate the male inhabitants and hence leaf and you can tuber infestation
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Dangles, O., V. Mesias, V. Crespo-Perez, and you can J.-F. Silvain. 2009. Collect damage increases with insect species range: research off potato tuber moths about exotic Andes. Journal of Applied Environment 46: 1115–1121.