Influence of argel (Solenostemma argel Del. Hayne) soil applications on flowering and yield of date palm (Phoenix dactylifera L.).

摘要

This study was conducted to investigate the influence of soil applications of argel (Solenostemma argel) dry leaves on flowering and yield of the dry date Barakawi cultivar in a completely randomized block design. Argel treatments were 0, 37.5 g once (1X1), 37.5 g twice (1X2), 37.5 g thrice (1X3), 75 g once (2X1) and 112.5 g once (3X1). Each treatment was replicated 5 times in two successive seasons under the conditions of the Northern State, Sudan. Argel treatments enhanced flowering and yield parameters of date palms and improved the physical characteristics of the fruits. As a nutritional role seems invalid due to the low amounts used, gains from argel leaves additives might owe to either a pesticide or a growth regulator-like effect.