Kirkuk University Journal for Agricultural Sciences (KUJAS)

Response of Oranges (Citrus sinensis L. ) and Lemon(Citrus lemonL.)cv.Eureka seedlings to Foliar Spray of Thiamine and Some Growth Promoters 1.Vegetative traits

https://doi.org/10.58928/ku19.10204
Volume 10, Issue 2
Spring 2019
Page 32-39
Kirkuk University Journal for Agricultural Sciences (KUJAS)

Document Type : Research Paper

Authors

A. M. Abd Al-hayany
Nisreen Muhammed Hathal

University of Diyala - College of agriculture

Abstract
This experiment was carried out in a private nursery located at Baquba city - Diyala governorate during the period from 15-12-2014 until 1-11-2016 on two years old mahali orange and lemon seedlings budded on sour orange rootstock to study the effect of spraying Thiamine and growth promoters (yeast and Ascorbic acid) on many growth characteristics of these seedlings .A factorial experiment RCBD were used included two factors (Thiamine at 25mgL-1 ,
and growth promoters (yeast at 2.5 , 5 g L-1 , and Ascorbic acid at 200 , 400 mg L -1) as well as untreated control .Results showed that Thiamine treatment gave the highest increase in the stem length, diameter and number of leaves during both seasons .Growth promoters spray treatments gave a significant increase over the control in all growth parameters studied. Lemon seedlings have the highest increase in stem length, diameter and number of leaves compared with orange seedlings, whereas orange seedlings gave the highest value for leaf area.

Keywords

Mahali Orange
Lemon cv.Eureka
Thymine
Growth Promoters
Subjects

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