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Register a new userRole of Rhizobium leguminosarum in Reducing tomato infection with Fusarium wilt
دور البكتيريا Rhizobium leguminosarum في خفض إصابة البندورة بمرض الذبول الفيوزاري
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Tishreen University ورقة بحثية
Publication date
2016
fields
Plant Protecion
and research's language is
العربية
Created by
Shamra Editor
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هدف البحث لدراسة تأثير البكتيريا Rhizobium leguminosarum في خفض الإصابة بمرض ذبول البندورة الوعائي الذي يسببه الفطر .Fusarium oxysporum f. sp. lycopersici أظهرت النتائج أن تلقيح نباتات البندورة بالبكتيريا Sacc.) Rhizobium leguminosarum) قد خفضت معنوياً شدة إصابة نباتات البندورة بالفطر F.oxysporum f .sp. lycopersici بنسبة 69.21%، و خفضت من طول التلون البني في الأوعية الخشبية للساق بنسبة 35.14%، كما زادت من طول النبات بنسبة 21.01%، و الوزن الرطب للمجموع الخضري و الجذري بنسبة 35.32% و 43.35% على التوالي، و زيادة عدد الثمار بنسبة 47.39% و وزنها بنسبة 32.48%.
This study was carried out to evaluate the effect of isolates of Rhizobium leguminosarum in reducing infection of tomato with Fusarium oxysporum f.sp.lycopersici,the causal agent of tomato wilt. The results demonstrated significant reduced in severity disease of plants were inoculated with Rhizobium leguminosarum, the rate reduced of disease severity was 69.21% and in length of browning was 35.14%. Rhizobium leguminosarum increased of plant height with 21.01%, fresh weight of shoot and root increased with 35.32% and 43.35% respectively,while increased the number of fruit with 47.39% and its weight with 32.48%
References used
AKHTER,A.; HAGE-AHMED.K.; SOJA,G. and STEINKELLNER,S. Compost and biocharalter mycorrhization,tomato root exudation,and developmentof Fusarium oxysporumf.sp.lycopersici. Frontiers in Plant Science,Vol.6,2015,1-13
AKHTAR,M.S.; SHAKEEL,U. and SIDDIQUI,A.Z. Biocontrol of Fusarium wilt by Bacillus pumilus, Pseudomonas alcaligenes, and Rhizobium sp. on lentil. Turk J Biol , Vol.34,2010, 1-7
ARFAOUI,A.;SIFI,B;BOUDABOUS,A.;ELHADRAMI,I.andCHERIF,M. Identification of Rhizobium isolates possessing antagonistic activity against Fusarium oxysporum f.sp. ciceris, the causal agent of Fusarium wilt of chick. Journal of Plant Pathology, Vol.88,No.1,2006,67-75
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The effect mycorhizal fungi on tomato wilt disease caused by Fusarium oxysporum
was studied. The results showed that % of disease incidence reduced in treatment whit
mycorrhizal fungi . % of disease incidence reached to 33% when plants infected wit
h
mycorrhizae and Fusarium wilt compared to plants infected with Fusarium wilt just
where% of disease incidence reached to 70% .The results showed a sighificant increased in
plant height ,leaf number , fresh and dry matter of shoot and root in treated plants with
mycorrhiza and Fusarium wilt compared whit treated plants with Fusarium wilt.The
increase in plant height reached 24.13% ,16.93% in leaf number,36.13% in wet weight of
shoot ,48.14 in wet weight of root,30.37% in dry weight of shoot and 29.18% in dry
weight of root in treated plants with mycorrhiza and Fusarium wilt.
The standard treatment for superficial TCC of the bladder is the endoscopic
resection of all visible tumours. Transurethral resection (TUR) may fail to control superficial disease,
especially in patients with higher tumour stages (T1), in addition
to the high recurrence rate.
To evaluate the role of a second transurethral resection (early re-resection) in reducing the high
recurrence rate of T1 bladder tumours .
A survey of Tomato spotted wilt virus (TSWV, Tospovirus, Bunyaviridae) on some
solanaceous crops and associated reservoir weeds was conducted between March and
November 2013. 983 field samples was collected (703 Solanaceous crops, 280 associated
w
eeds), and 218 greenhouse samples (190 Solanaceous crops, 28 associated weeds).
Tissue Blot Immunobinding Assay TBIA were performed to detect TSWV. Results of
TBIA of tested samples showed the natural infection of TSWV in Lattakia by 22,06%. The
percentage infection in field crops was 8,82% on solanaceous crops and 62,5% on
associated weeds and It was in greenhouse crops 2,11% on solanaceous crops and 85,71%
on associated weeds. This is the first report in Syria of Tomato spotted wilt virus on
Tobacco, Eggplant, and several weeds.
Verticillium wilt is one of the most serious disease that affect olive trees, and it is
spread all over the world where the olive trees grown. It is caused by the soil – borne
fungiVerticilliumdahliaekleb. Whichhas a wide host range, and forms amic
roseclerotia that
survive for long time in the soil.and it is difficult to manage.
In this studya survey was carried out in order to determine the incidence and severity
of infection on olive trees in Lattakiaduring2015.
The results showed that the highest percentage of infection and severity were on the
Kaissicultivar in ALqurdaha (10.68% , 4.05%) respectively , and the lowest percentage of
infection and severity were on the Safrawicultivar in ALqurdaha (3.92% , 0.97%)
respectively.
The goal of every industrial company is to develop and manufacture products that
suit the needs of the final customer, enabling it to market those products at a reasonable
and rewarding price. This research aims to show the importance of the adopti
on of the
quality factor in the acquisition of production requirements for equipment and machinery,
equipment and raw materials, and the statement of its significant role in reducing the cost
of production, and to make the company in a better position and ensure its survival and
continuity in the business world. The importance of this research also stems from the field
study carried out by the researcher on public industrial companies and identify the ways
and methods of purchasing, the conduct of their production, and the extent of the costs
borne by these companies to acquire better production requirements of machinery and
equipment and raw materials, and to address the main problems encountered. The most
important results obtained show that:
1.There is a crucial impact of the quality of production requirements on the cost of
production.
2. There is a crucial impact on quality cost and the improvement of financial returns.
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