The First Record of A medicinal Plant Species Prosopis farcta (Banks & Sol) .J.F.Macbr (Fabaceae; Mimosoideae) from
Journal ArticleProsopis farcta (Banks & Sol.) J. F. Macbr. has been reported for the first time from Libya. This species is native in Asia. Flowering specimens of Prosopis farcta collected from Sokna Region about 650 Km south-east Tripoli. It is presented with updated nomenclature, taxonomic description, geographical distribution, place of occurrence in Libya, and field colored photographs are also provided. The voucher specimens were deposited in the Herbarium of Botany Department (ULT), University of , Tripoli, Libya
Shhoob Mohamed Emhemed Elahmir, (06-2021), Quest Journals: Journal of Research in Agriculture and Animal Science, 6 (8), 39-43
دراسة مدى تأثير العسل والقرفة في تحفيز عملية التجذير لبعض النباتات ومقارنتها بهرمون التجذير Toniplant الصناعي تونيبلانت
مقال في مجلة علميةاستخدمت في هذه الدراسة بدائل طبيعية لهرمون التجذير الصناعي التونيبلانت )
Toniplant ( وهي العسل
( Honey ( والقرفة ) Cinnamon powder ل في
( لمعاملة مجموعة من النباتات المختلفة عن طريق الإكثار بالعقل
التربة الرملية وتربة البيتموس من أجل تحفيز تكوين الجذور، لما لهذه البدائل من طبيعة هرمونية؛ حيث تبين أنه
باستخدام العسل ومسحوق القرفة يمكن تجذير بعض النباتات في مواسم غير مواسمها التكاثرية، حيث
استغرقت هذه التجربة ثلاثة أشهر منذ وذلك بحديقة كلية العلوم/ جامعة
غريان، وأكدت نتائج هذه الدراسة بعد تحليلها إحصائ يا باستخدام البرنامج الإحصائ ي Minitab 16.2.0 (( أ ن
البدائل )العسل والقرفة( تعمل عمل الهرمون عند زراعة العقل في التربة الرمل ية عند مستوى معنو ية .1010( P )<
بالإضافة إلى أن الزراعة في تربة البيتموس ذات تأثير أفضل ؛ حيث تزداد الشعيرات الجذرية وتنمو بشكل أفقي
مقارنة بالتربة الرملية مع الأخذ في الحسبان نوع النبات المزروع.
اشهوب محمد أمحمد الأحمر، (02-2021)، جامعة سبها: مجلة، 1 (20)، 55-60
Floristic Study of Sedrores Mountains in Gharyan District – Libya
Journal ArticleA floristic survey of Sedrores Al-Qawasim mountains in Gharyan district - Libya was conducted in two consecutive growing seasons from 01/04/2018 to 01/6/2019. In this study area, a total number of 320 plant species belonging to 214 genera were collected representing 44 families, of which 39 families and 276 species belonging to dicotyledons, and 5 families and 44 species are belonging to monocotyledons. The results showed the dominance of the family Asteraceae with 60 species, followed by the family Fabaceae with 32 species, then the family Poaceae with 29 species. The results showed the dominance of the (Euphorbia genus) with 7 species, followed by Helianthenum, Plantago and Erodium with 6 species each. Moreover, life-form spectrum analysis showed the predominance of therophytes with 210, followed by Hemicryptophytes with 59 species, while chorotype spectrum analysis showed the dominance of Mediterranian species with 151 species, followed by Mediterrean/Iranu-Turanean with 72 species.
Shhoob Mohamed Emhemed Elahmir, Mohammed H. Mahklouf, (07-2020), J. of Advanced Botany and Zoology: J. of Advanced Botany and Zoology, 1 (8), 1-11
تأثير مادة النشا في إطالة فترة تخزين بعض الفواكه والخضروات في درجة حرارة الغرفة
مقال في مجلة علميةتحضى تقنية المواد المستخدمة كأغلفة مستساغة لتغليف ثمار الفواكه والخضروات لغرض حفظها وإطالة فترة تخزينها بإهتمام واسع هذه الأيام في كثير من الدول،لما لها من نتائج إيجابية للمحافظة على الثمار بعد الحصاد؛ وذلك للمساهمة في زيادة إنتاج الغذاء وتحقيق الأمن الغذائي. اُستخدمت في هذه الدراسة مادة النشا لهذا الغرض عن طريق غمر بعض ثمار الفواكه (البرتقال، الموز، التفاح، الكمثرى والخوخ) وكذلك بعض ثمار الخضروات (الخيار، الطماطم، الفلفل، القرع والجزر) في محلول النشا في المعمل لفترة 15 دقيقة ثم تركت الثمار في حوافظ خاصة بها تهوية، ولوحظت التغيرات التي طرأت عليها. أوضحت هذه الدراسة أن جميع أصناف ثمار الفواكه المعاملة بمادة النشا عدا التفاح كانت أكثر مقاومة للأمراض الفطرية والفساد الذي طرأ عليها، مقارنة بالثمار الغير معاملة (الشاهد).بينما أبدت جميع ثمار الخضروات المعاملة مقاومة أكثر للأمراض الفطرية والفساد من الثمار الغير معاملة.
يوسف محمد عزو(6-2020)
اشهوب محمد أمحمد الأحمر، (04-2020)، غريان: مجلة جامعة غريان، 19 (1)، 1213-1220
The first record of Abutilon theophrasti (Malvaceae) in the flora of Libya
Journal ArticleA new record for Abutilon theophrasti is recorded for the first time in the flora of Libya. This widespread agricultural weed was collected from El-Hamra region (El-Qabel) in the Nafusa Mountain south of Tripoli. To facilitate further identification and future detection, a full description, habitat information, distribution map and distribution data are provided. A brief discussion about the most important threats posed by this species is presented.
Shhoob Mohamed Emhemed Elahmir, MOHAMMED. H. MAHKLOUF, (04-2019), Phytotaxa: مجلة Phytotaxa, 402 (5), 259-264
Contribution of transition and stabilization processes to speciation is a function of the
Journal ArticleCurrently the origin and trajectories of novel traits are emphasised in evolutionary studies, the role of stabilization is neglected, and interpretations are often post hoc rather than as hypothesised responses to stated agents of selection. Here we evaluated the impact of changing environmental conditions on trait evolution and stabilization and their relative contribution to diversification in a prominent Australian genus, Hakea (Proteaceae). We assembled a time-based phylogeny for Hakea, reconstructed its ancestral traits for six attributes and determined their evolutionary trajectories in response to the advent or increasing presence of fire, seasonality, aridity, nectar-feeding birds and (in)vertebrate herbivores/granivores. The ancestral Hakea arose 18 million years ago (Ma) and was broad leaved, non-spinescent, insect-pollinated, had medium-sized, serotinous fruits and resprouted after fire. Of the 190 diversification events that yielded the 82 extant species analysed, 8−50% involved evolution, stabilization or re-evolution (reversal) of individual novel traits. Needle leaves appeared 14 Ma and increased through the Neogene/Quaternary coinciding with
vertebrate herbivores. Bird-pollination appeared 14 Ma in response to advent of the Meliphagidae in the early Miocene. Small and large woody fruits evolved from 12 Ma as alternative defenses against granivory. Fire-caused death evolved 14 Ma, accounting for 50% of subsequent events, as fire became less stochastic. Loss of serotiny began in the late Miocene as non-fireprone habitats became available but only contributed 8% of events. Innovation and subsequent stabilization of functional traits promoted the overall species diversification rate in Hakea by 15 times such that only three species now retain the ancestral phenotype. Our approach holds great promise for understanding the processes responsible for speciation of organisms when the ancestral condition can be identified and the likely selective agents are understood.intensifying seasonality and aridity. Spinescence arose 12 Ma consistent with the advent of
Byron B. Lamont, Shhoob Mohamed Emhemed Elahmir, (10-2017), bioRxiv: l[gm, 1 (1), 11-20
) تحديد اصناف الزيتون المنتشرة بمنطقة ومحاولة تحديد زمن الجني لها
مقال في مجلة علمية) تحديد اصناف الزيتون المنتشرة بمنطقة ومحاولة تحديد زمن الجني لها
خليفة سليمان محمد زنين، عمر علي سعيد مفتاح، اشهوب محمد أمحمد الأحمر، (02-2017)، غريان: مجلة جامعة غريان، 17 (1)، 155-165
The Impact of Water and Some Salt Solutions on Some Properties of Hydrophilic Acrylamide Copolymeric Hydrogels
Journal ArticleA series of polyelectrolyte hydrogels ranging from 92-98wt% were synthesized by copolymerization of acrylamide,
AAM with 2-acrylamido-2-methyl propane sulphonic acid, AMPS using 0.001g APS as initiator in the presence of 30wt% H2O
and 1.0wt% ethylene glycol dimethacrylate,EDMA as cross-linking agent. The final copolymers was obtained in the form of
glassy and transparent roads at room temperature, these roads were soaked in water for two days to remove unreacted
monomers. The swelling behavior of the hydrogels was studied in distilled water and salt solutions of 1.5 mol/l each of NaCl
and KCl. The Swelling in water shows decreasing values of q, LE, Ø1, EWC% and increasing polymer volume fraction, Ø2 by
increasing acrylamide, due to increasing hydrophobicity and decreasing the hydrophilicity. The swelling in salt solutions
shows a decreasing in the values of ESSNa%, WCNa%, SCNa%, ESSK%, WCK% and SCK% by increasing acrylamid
monomer in the feed due to increasing the hydrophobicity and decreasing the ionized ionic groups (SO3H). The increasing
values of ESSNa%, WCNa% and SCNa% compared with the values of ESSK%, WCK% and SCK% respectively, is due to
the higher charge density of sodium ion than that of potassium ion.
Abdurhman A.Abuabdalla, Shhoob Mohamed Emhemed Elahmir, (01-2017), MAYFEB: MAYFEB Journal of Materials Science, 1 (1), 7-16
Small-seeded Hakea species tolerate cotyledon loss better than large-seeded congeners
Journal ArticleSix Hakea species varying greatly in seed size were selected for cotyledon damage experiments. The
growth of seedlings with cotyledons partially or completely removed was monitored over 90 days. All
seedlings perished by the fifth week when both cotyledons were removed irrespective of seed size.
Partial removal of cotyledons caused a significant delay in the emergence of the first leaf, and reduction
in root and shoot growth of the large-seeded species. The growth of seedlings of small-seeded species
was less impacted by cotyledon damage. The rate of survival, root and shoot lengths and dry biomass
of the seedlings were determined after 90 days. When seedlings were treated with balanced nutrient
solutions following removal of the cotyledons, survival was 95–98%, but 0% when supplied with
nutrient solutions lacking N or P or with water only. The addition of a balanced nutrient solution failed
to restore complete growth of any species, but the rate of root elongation for the small-seeded species
was maintained. Cotyledons provide nutrients to support early growth of Hakea seedlings, but other
physiological roles for the cotyledons are also implicated. In conclusion, small-seeded Hakea species can
tolerate cotyledons loss better than large-seeded species..
Shhoob Mohamed Emhemed Elahmir, (12-2016), Scientific Reports: Springer International Publishing, 10 (1), 1-9
PLOS ONE
Journal ArticleSeed size is a key functional trait that affects plant fitness at the seedling stage and may vary greatly with species fruit size, growth form and fecundity. Using structural equation modelling (SEM) and correlated trait evolution analysis, we investigated the interaction network between seed size and fecundity, postfire regeneration strategy, fruit size, plant height and serotiny (on-plant seed storage) among 82 species of the woody shrub genus, Hakea, with a wide spectrum of seed sizes (2–500 mg). Seed size is negatively correlated with fecundity, while fire-killed species (nonsprouters) produce more seeds than resprouters though they are of similar size. Seed size is unrelated to plant height and level of serotiny while it scales allometrically with fruit size. A strong phylogenetic signal in seed size revealed phylogenetic constraints on seed size variation in Hakea. Our analyses suggest a causal relationship between seed size, fecundity and postfire regeneration strategy in Hakea. These results demonstrate that fruit size, fecundity and evolutionary history have had most control over seed size variation among Hakea species
Shhoob Mohamed Emhemed Elahmir, (06-2015), PLOS ONE: مجلة plos one, 10 (3), 1-12