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Siddig M. Elhassan

Publications (5)

Effect of Sulphur and Irrigation Regimes on Potato Common Scab Development in Khartoum Area

Awadalla I. A. Irabi, Siddig M. Elhassan, Mohamed Y. A. Abubaker & Abdalla M. Ali · Asian Research Journal of Agriculture · 2017

Potato common scab development was assessed under the traditional farming system (TFS) and modern farming system (MFS) using irrigation interval and side dressing of Sulphur-based fertilizer application along the ridge. The 4-day irrigation interval starting with the tuber format...

Open access Research Article 10.9734/ARJA/2017/31196

First Report of Citrus tristeza virus (CTV) Disease in Commercial Citrus Orchards in Sudan

Mohamed Yousif A. Abubaker, Siddig M. Elhassan & Awadalla I. A. Irabi · Asian Research Journal of Agriculture · 2017

Three extensive surveys and laboratory tests were conducted to detect and determine the distribution of Citrus tristeza closterovirus (CTV) in the main citrus groves in six states along the Blue Nile (Gezira and Sinnar states) and the River Nile (Khartoum, River Nile, and Norther...

Open access Research Article 10.9734/ARJA/2017/31045

Occurrence and Influence of Sudanese Onion Yellow Dwarf Potyvirus Isolates on the Common Bulbing Onion (Allium cepa L.)

Mohamed Yousif. A. Abubaker, Maha F. M. A. Gabbani & Siddig M. Elhassan · Asian Research Journal of Agriculture · 2019

Further epidemiological studies on the Sudanese isolates of onion yellow dwarf (OYDV) and its effect on production of onion crops were carried out during two consecutive seasons under field conditions. Four OYDV isolates were recovered from four different localities in Khartoum a...

Open access Research Article 10.9734/ARJA/2018/45761

Efficacy of Fungicides for In vitro Control of Date Palm Black Scorch Disease Agent (Thielaviopsis paradoxa)

Awadalla I. A. Irabi, Mohamed Y. A. Abubaker & Siddig M. Elhassan · Journal of Advances in Biology & Biotechnology · 2018

Seven fungicides (Bayleton, Benlate, Tilt, Vitavax, Antracol, Copper-oxychloride and Soufrel)               were evaluated for the in vitro chemical control of Thielaviopsis paradoxa (de Seynes) Von Hӧhn. isolated from symptomatic date palm fronds showing typical symptoms of blac...

Open access Research Article 10.9734/JABB/2018/41987

Role of Infected Seed Potato Tuber in Contamination of Land and Clean Potato Stocks with Common Scab

Awadalla I. A. Irabi, Mohamed Y. A. Abubaker & Siddig M. Elhassan · Journal of Advances in Biology & Biotechnology · 2017

The objective of this study was to assess the role of scab-infected seed tubers in contamination of land and progeny of clean potato stock with common scab. The experiment was conducted over two consecutive years using the white-skinned cultivar ‘Diamant’ and the red-skinned ‘Pek...

Open access Research Article 10.9734/JABB/2017/31267