“It can be identified by its brown to black color, well-developed petiolar process, and no median clypeal tooth.”
“Earlier studies have shown that the retarding effect of low petiolar temperatures on sucrose transport through sugar beet petioles is markedly time-dependent.”
“Petiolar application of NPA, an auxin membrane transport inhibitor, increases the concentration of endogenous auxin in the bean leaf blade distal to the site of application.”