Intercourse pheromone-baited water otherwise harness (delta) traps mean the clear presence of S
tangolias in the world and shop because of the drawing men adults. They may be familiar with place the early presence of S. tangolias to bring sufficient control.
Traditional physical manage. Ancient physical manage should be a good means in all men and women places where insect might have been inadvertently introduced to keep the fresh new pest people within the control endurance (discussed when you look at the area cuatro.step 1.step one, P. operculella).
Overseeing having pheromone traps
End infestation regarding insect-100 % free potato-expanding zones. Plagued seed products facilitates the fresh fast bequeath of pest and that is a primary supply Honolulu singles meetup of first infestation in potato areas. For this reason, pest-free vegetables tubers need to be rooted.
Enough hilling. In the field, larvae need go into the floor to reach this new potato tubers. The new infestation of potato tubers reduces on the depth in the crushed where they produce. Therefore potato tubers must be covered well which have floor during the the whole cultivation several months.
End deceased ground requirements. Dry weather conditions choose multiplication out of S. tangolias in this field once the amount of eggs put decrease highly that have large ground moisture; larvae block for the very damp ground also. Brand new growing day are going to be modified to cease very long periods from dry weather, especially in brand new days prior to attain. If there is smaller precipitation, sprinkler irrigation are often used to moisten the latest crushed.
Timely and you will over collect. Highest tuber wreck at the assemble could have been appear to because of put off harvests in conjunction with dry weather problems that permit several years to grow in the field. During dead symptoms, timely accumulate is vital to stop tuber infestation (the larvae move from the fresh new stems into the tubers when the bush wilts). Early-maturing species is also subscribe to slow down the threat of infestation. Kept tubers (volunteer plant life) are often infested by S. tangolias, providing a way to obtain re also-infestation and require are taken out of industry.
Clean sites facilities. Infested potato places include contamination having tubers stored shortly after accumulate and also in close fields and you may places. In advance of potato tubers was stored, the businesses should be cleared thoroughly. Eggs, larvae, and you can pupae seem to used in cracks of the walls, the brand new ground, or in handbags otherwise packages used in storage must be eliminated. Merely match tubers shall be picked for sites.
Physical control. Within the Peru, a dirt components out-of Bacillus thuringiensis is utilized to guard tubers in shop facing S. tangolias. B. thuringiensis var. kurstaki is very effective up against S. tangolias. The latest rough effect of different kinds of powders (kaolin, calcium carbonate, otherwise anyone else), the base of one’s ingredients, as well as kills young larvae because of the actual defensive potential from the powder. Potato tubers is handled (powdered) truly immediately after collect and you will placed in stores.
Attract-and-kill enforce on an occurrence of just one drop (100 µl)/meters dos from space for storing to minimize the male populace and you will and that tuber infestation.
That is an oil components for the pest’s sexual pheromone and you will get in touch with insecticide since the active ingredients, being used in the a density from dos,five hundred droplets (one hundred µl)/ha in the arena to attenuate a man population and therefore leaf and you may tuber infestation
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Dangles, O., V. Mesias, V. Crespo-Perez, and you will J.-F. Silvain. 2009. Harvest ruin expands with insect types assortment: research away from potato tuber moths regarding the exotic Andes. Journal regarding Applied Environment 46: 1115–1121.
