… On the other hand, LSO could not be detected yet in the country (Castillo Carrillo et al.,
2018). We discuss the distribution and possible scenarios of introduction of the TPP in Ecuador. …

Potato purple top (PPT) disease has been reported worldwide, including Canada, United
States, Mexico, Russia and Pakistan. During surveys carried out in a recent epidemic in …

Introgression has been proposed as an essential source of adaptive genetic variation.
However, a key barrier to adaptive introgression is that recombination can break down …

Long-term suppression of recombination ultimately leads to gene loss, as demonstrated by
the depauperate Y and W chromosomes of long-established pairs of XY and ZW …

Herbivores often move among spatially interspersed host plants, tracking high-quality
resources through space and time. This dispersal is of particular interest for vectors of plant …

… In contrast, bittersweet nightshade plants maintain their foliage through the summer (Castillo
Carrillo et al., 2016), and psyllids on these plants appear to rarely migrate to or from potato. …

… C. Castillo Carrillo was supported by a graduate research fellowship from Ecuador’s National
Institute of Agriculture Research (INIAP) and the National Secretary of Higher Education, …

… inundative biological controls have been applied to several staple and cash crops and in
fruit and ornamental trees covering more than 300,000 hectares in the country (Castillo Carrillo …

Introgression has been proposed as an essential source of adaptive genetic variation.
However, a key barrier to adaptive introgression is that recombination can break down …

… C, Confirmation of the submucosa tunnel in the direction up to the pyloric ring. D, Pyloric
muscle ring view through the tunnel. E, Pyloric muscle ring myotomy (yellow arrow). …