نتایج جستجو برای: lycopersicon
تعداد نتایج: 3855 فیلتر نتایج به سال:
Meloidogyne incognita (Kofoid and White) Chitwood has been separated into four races (R l -R4) based on the ability of different populations to parasitize 'NC95' tobacco and 'Deltapine 16' cotton (7). Since the designation of races within this species, several workers have at tempted to characterize them on the basis of reproduction on a common host. Araujo et al. (1) compared the reproduction ...
Tomato (Lycopersicum esculentum ‘Early Girl’) seedling growth was evaluated in substrates containing varying proportions of ground rice hulls. Substrates were formulated containing 0, 30, 60, and 90% ground rice hulls with one-half of the treatments also treated with a surfactant. Seedling growth in two of the ground rice hull-containing substrates was generally similar to the two controls of 9...
A protocol was developed for callus induction and regeneration in tomato (Lycopersicon esculentum) var. Moneymaker. Hypocotyl and leaf disc explants of tomato were used as a starting material for callus induction. Explants were cultured on MS medium having different concentrations of hormones. Maximum callogenesis from hypocotyls was obtained on MS medium supplemented with IAA (2 mg/l), NAA (2 ...
Background: It has been known for quite some time now that silver nanoparticles (AgNP) can inhibit microbial growth and even kill microbes. Our investigation reports the antimicrobial activity of AgNP against a model bacterium, Escherichia coli. Methods: The aqueous extract of Lycopersicon esculentum (red tomato) was used for the rapid synthesis of AgNP, which is very simple and eco-friendly in...
large and diverse body of data argues that chromosomes are longitudinally A differentiated in such a way that corresponding segments located in different chromosomes are able to recognize and synapse with each other with a high degree of precision at meiotic prophase; this property is termed “homology.” Although regions exhibiting homology may not be coiitinuous throughout the length of a chrom...
Southern blot analyses of genomic DNA fragments suggest there are five different classes of phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) genomic sequence in tomato (Lycopersicon esculentum). Isolation and subsequent sequence analysis of three examples from genomic libraries reveal highly homologous coding sequences but also a surprisingly high frequency of single point mutations which would tr...
We have synthesized diploid hybrids between Lycopersicon esculentum and Solanum lycopersicoides and have converted them to allotetraploids. Two sesquidiploids, having two complements of the former parent and one of the latter, have been obtained by backcrossing the former parent with the alloploid. In meiosis of the sesquidiploid the L. esculentum chromosomes exhibit strong preferential pairing...
این مطالعه با هدف ارزیابی واکنش هفت رقم گلخانه ای اصلاح شدۀ گوجه فرنگی موجود در بازار شامل دو رقم از انگلستان (gh1 و gh12)، دو رقم از تایلند (karina و ajeet)، سه رقم از هندوستان (manisha، tolstoi و cluster5) و رقم بومی مزرعه ای درتوم (که به میزان چشمگیری در استان کهگیلویه و بویراحمد کشت می گردد)، در برابر نماتد ریشه گرهی، m. javanica، در شرایط گلخانه صورت گرفت. آزمایش به صورت فاکتوریل با دو فاک...
a greenhouse experiment was conducted during the growing seasons (2008/2009 and 2009/2010) to investigate the effects of water quality and soil amendments, irrigation methods and rates on tomato (solanum lycopersicon l. cv. red gold) yield and water use efficiency (wue). irrigation management treatments were fresh (0.86 ds m-1) and saline waters (3.6 ds m-1), surface and subsurface irrigation m...
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