Botany - Plant Growth and Development Question with Solution | TestHub

Long Day Plants (LDP) requires exposure to light for a period exceeding critical duration to induce flowering. Ethephon hastens fruit ripening in tomatoes and apples and accelerates abscission in flowers and fruits (thinning of cotton, cherry, walnut). Shoot apices those modify themselves into flowering apices, cannot perceive photoperiods. Biennial monocarpic plants that flower and then die in the second season. Some examples are sugar beet, cabbage, carrot, etc