Print ISSN: 2077-5822

Online ISSN: 2618-1479

Keywords : Vitamin C


The Effect of Foliar Application of Seaweed Extract and NPK Fertilizer on some Growth Characteristics and Yield of Cucumber (Cucumis sativus L.).

Intethar Abbas Al-Zuobidy; Majeed K. Abbas Al-Hamzawi

Al-Qadisiyah Journal For Agriculture Sciences, 2015, Volume 5, Issue 1, Pages 14-23
DOI: 10.33794/qjas.2015.103157

The current experiment has been conducted to study the effect of foliar application of seaweed extract (AIGA CIFO 3000) at three concentrations; 0, 1.5 or 6mg. L-1 and NPK fertilizer at three concentrations also; 0, 1.5 or 3 g. L-1 and their combination on some growth parameters and yield of cucumber Cucumis sativus L. cv. Selion. The experiment was carried out in a plastic house at the College of Agriculture University of Al-Qadisiya during the period from 28-12-2013 to 22-4-2014. Radomized complete block design has been used with three replications. The spray with seaweed and NPK fertilizer is done twice; the first one is after one month of planting in the permanent place, and the second one is after two weeks from the first spray. Plant height, number of branches, leaf chlorophyll content are have been measured. Also, early and total yield and fruit characters such as length, weight, and fruit diameter, total soluble solids and vitamin C are calculated. The results show that plant height and number of branches are increased significantly with seaweed and NPK treatments, especially at the higher concentrations. Also, chlorophyll content in leaves is also increased significantly at the higher concentration of the seaweed. The early yield is increased at both concentrations of both factors used, while there is a significant increase in total yield at the higher concentration of both factors in compare to control. The two concentrations of seaweed extract cause significant increase in fruit weight, while the treatments have variable effects with regard to fruit length and diameter. There was a gradual increase in TSS and vitamin C with the increase of the concentrations of both seaweed extract and NPK fertilizer.

The Effect of Spraying Seaweed Extract and Amino Acids on Some Floral and Fruit Characters of Two Species of Sweet Pepper (Capsicum annuum L.) Under Plastic Houses Conditions

Majeed Kadhem Al-Hamzawi; Intedhar Abbas Al-Zubaidy

Al-Qadisiyah Journal For Agriculture Sciences, 2015, Volume 5, Issue 1, Pages 1-13
DOI: 10.33794/qjas.2015.103156

The current experiment has been conducted at a plastic house belongs to the College of Agriculture / university of Al-Qadisiya during the growing season 2012-2013 to study the effect of spraying seaweed extract at 0, 3, and 6 ml.L-1 and amino acids at 0, 400, and 800 mg. L-1 and their combination on some floral and fruits characters of two cultivars of sweet pepper Capsicum annuum L. cv. Flavio F1 and California wonder. Results show that there is a significant increase in flowers number per plant (51.14 and 33.99) and fruit set (70.99 and 60.30) for Flavio F1 and California wonder, respectively, due to the use of sea weed extract at 6 ml. L-1. Using amino acids at 800 mg. L-1 have the same effect. Also, fruit number, weight and volume, vitamin C content, total soluble solids and total sugars are significantly increased at the highest concentrations of sea weed extract (23.26, 119.70 gm, 438.94 cm3, 49.47 mg/100 ml fresh weight, 9.03% and 5.27, respectively for Flavio F1 cultivar and 16.41, 76.31 gm, 146.93 cm3, 31.03 mg/100 ml fresh weight, 5.84% and 4.50, respectively for California wonder cultivar). Same results show the highest concentration of the amino acids. As for the interactions, the combination of seaweed extract at 6 ml. L-1 and amino acids at 800 mg. L-1 give the highest values for all the parameters measured in comparison with the control treatment.