II. LA ALICINA PARA EL CONTROL DEL GUSANO COGOLLERO (SPODOPTERA FRUGIPERDA) EN EL CULTIVO DE MAÍZ (ZEA MAYS)

Abstract

Allicin for the control of the fall armyworm (Spodoptera frugiperda) in the corn crop
(Zea mays), is a product of natural origin, its use will avoid the excessive abuse of
conventional agrochemicals for the control of the fall armyworm that has an economic
threshold of 10 % to 50% of infested plants. The research was carried out in the city of Santa
Cruz de la Sierra-Bolivia, with the aim of controlling the fall armyworm in the corn crop,
which is of utmost importance, as it is a first-degree pest, for which the Maize variety
Aychasara 101 and allicin in 10 different dosages, with the statistical design completely
randomized blocks. The preparation of the land, planting, control of the fall armyworm,
weeds and harvest were carried out. The allicin-based product was dosed from 0.2 liters to 2
liters per hectare, making 10 different dosages and a control treatment. The best treatment
was 0.8 liters per hectare, with a percentage of 13.5% of incidence, which means 13.5
infested plants for every 100 plants of the corn crop, the control treatment registered 90% of
infestation. It is concluded that allicin does have a positive effect on the control of fall
armyworm. All treatments registered an infestation percentage lower than the control, being
the best dose 0.8 liters per hectare.