An experiment was conducted to evaluate the effect of nitrogen fertilizer on growth, flowering and vase life of gladiolus (Gladiolus grandiflorous L.) cv. American Beauty at the farm of the Department of Horticulture, C.C.R (P.G.) College, Muzaffarnagar (Uttar Pradesh). The treatments comprised of four levels of nitrogen (0, 40, 60, 80 kg/acre) in a randomized complete block design with factorial concept and replicated four times. The results revealed that minimum days taken for spike initiation (86.89 days), days taken for first flowering (99.37 days) were observed under control treatment N0 whereas, maximum plant height (49.21cm), spike length (127.17 cm), rachis length (61.31 cm), number of florets per spike (18.00) and vase life (11.73 days) was found with N2 (60 kg/acre Nitrogen). The result shows that using 60 kg/acre nitrogen can improve the growth and yield of gladiolus cv. American Beauty like vegetative, flowering and vase life attributes. Hence, this optimum nitrogen level can be recommended for the commercial cultivation of gladiolus.
Variation and correlation among leaf dry matter and mineral nutrients were studied in three diameter classes on three sites located at three different altitudes in Himachal Pradesh. Leaf dry matter and mineral nutrient content viz.; nitrogen (N), phosphorus (P) and potassium (K) among different diameter classes ranged between 42.29-57.26%, 2.40-2.95%, 0.14-0.33% and 2.37-2.64%, respectively. Significant correlations were observed for different character pairs indicating the possibility of indirect selection in the species.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.