تأثير التقليم و الرش بالمستخلص البحري kelpak في نمو أشجار التوت الفتية Morus nigra

Abstract EN

This study was carried out in the fields of the agricultural research station in Al Sayada of the Faculty of Agriculture - University of Kirkuk during the growth season (2017) to study the effect of the pruning and spraying with the seaweed extract (kelpak) on growth of young mulberry trees (Morus nigra) The experiment was carried out on two-year-old red mulberry which were planted at a distance of 4×3 where 48 trees were selected homogenously The study included the treatment of pruning by leaving four branches and trimming by leaving three branches, spraying with sea weed extract (kelpak) with concentrations of 0 and 2 ml.

L-1, The randomized complete block design (R.

C.

B.

D) was used with three replications.

The results showed that pruning resulted in a significant increase in plant length, dry weight and leaf content of chlorophyll and NPK, spraying with seawees extract also showed a significant increase in all properties except choorohyll content in leaves.