Heterosis, or hybrid vigor, has contributed substantially to genetic improvements in crops and trees and its physiological basis involves multiple processes.Four associations with the jerome brown jersey phytohormone gibberellin (GA) indicate its involvement in the regulation of heterosis for shoot growth in maize, sorghum, wheat, rice, tomato and
Abstract The lifelong acquisition of cognitive skills shapes the biology of the brain.However, there are critical periods for the best use of the brain to process the acquired information.Objectives: To discuss the critical period of cognitive acquisition, the concept of southwestern aztec rug cognitive reserve and the HAROLD (Hemispheric Asymmetry
Rural communities in Mexico and other countries with limited economic resources require a low-cost measurement system for the piezometric level and temperature of groundwater for their sustainable management, since anthropogenic action (pumping extractions), natural recharge and climate change phenomena affect the behavior of piezometric levels in