plant Four o”clock- - Tryptophan- Ascorbic Acid- Quercetin Catechine

Abstract

The experiment of was carried out in lath house, Department of Horticulture and and land scape / Agriculture college - Tikrit University to study the effect of tryptophan and ascorbic acids on vegetative growth characteristics and effect it on some intexidant of plant four o'clock Mirabilis jalapa L. Factorial experiment designed by complete randomized bolock design ( RCBD ) with three replication . using two factors in experiment the first factor was amino acid (tryptophan) in three levels spraying (distilled so and 100mg . L-1) and second foctor was Ascorbic acid in three levels spraying (distilled so and 100 mg. L-1). at level. Where the spray of amino acid tryptophan at the level of 100 mg. L- led to sicnifantly improving in superiority in the content of leaf content of chlorophyll 63.93 Spad and the number of branches 32.89 branch. Plant -1. With the exception of two leafy plots and the number of plant leaves that exceeded 50 mg. L-1 and reached 3999.6 cm 2 plants -1 87.93 plant - 1 and compared to the lowest value of the above qualities. While plants treated with ascorbic acid were 100 mg higher. L1 - significantly in the area of paper area and the number of branches and recorded 4272.1 cm 2. Plants -1 34.78 branch. Plant -1. Sequentially, while the two leaf cultivars and the chlorophyll content of the plant increased significantly at 50 mg. L-1 85.82 sheets64.0 Spad. Acid interference (tryptophan and ascorbic acid) was recorded at 100 Tr + 100 Tr mg. (1) was significantly higher in both the paper and chlorophyll levels, while the number of leaves at the level of 50 mg + Tr + HPLC technique showed a remarkable positive increase in the accumulation of Quercetin and Catechine in leaves, roots and flowers for the interference factors (100 + 100 mg / L-1). They reached the leaves in the leaves (36.80 and 71.32), the roots (49.98 and 15.50) and the flowers (83.97 and 9.58) Μg -1 g, respectively, compared to the lowest-value comparison.