تأثير رش حامضي الاسبارتك و الكلوتامك في نمو و حاصل نبات الفلفل الحار Capsicum Annuum L

Abstract EN

The experiment was conducted in fields of College of Agriculture, University of Al-Muthanna, during the agricultural season 2021, to study the effect of spraying three concentrations of aspartic acid (0, 75 and 150 mg.

L-1) and three concentrations of glutamic acid (0, 75 and 150 mg.

L-1) on growth and yield of capsicum (chili pepper) plant (Capsicum annuum L.

).

The experiment was carried out within the factorial trial system according to a Randomized Complete Block Design (R.

C.

B.

D) with three replications, the mean were compared by using L.

S.

D.

at levels of singnificance.

Results of the study showed that the capsicum plants that have been sprayed with aspartic acid at a concentration (150 mg.

L-1) significantly superior in plant height, number of main branches, number of leaves, number of fruits and fruits yield (49.62 cm, 4.0 branch.

plant-1, 143.5 leaf.

plant-1, 11.10 fruit.

plant-1 and 0.330 Kg.

plant-1) respectively.

Results also showed the significant effect of glutamic acid spraying at a concentration (150 mg.

L-1), which gave highest rates in plant height, number of main branches, number of leaves, number of fruits and fruits yield (53.21 cm, 4.22 branch.

plant-1, 136.5 leaf.

plant-1, 11.4 fruit.

plant-1 and 0.316 Kg.

plant-1) respectively.