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  • 1.
    Boström, Ullalena
    et al.
    Swedish University of Agricultural Sciences, Department of Crop Production Ecology.
    Andersson, Lars
    Swedish University of Agricultural Sciences, Department of Crop Production Ecology.
    Forkman, Johannes
    Swedish University of Agricultural Sciences, Department of Crop Production Ecology.
    Hakman, Inger
    Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.
    Liew, Josefine
    Swedish University of Agricultural Sciences, Department of Crop Production Ecology.
    Magnuski, Ewa
    Swedish University of Agricultural Sciences, Department of Crop Production Ecology.
    Seasonal variation in sprouting capacity from intact rhizome systems of three perennial weeds.2013In: Weed research (Print), ISSN 0043-1737, E-ISSN 1365-3180, Vol. 53, no 5, p. 387-398Article in journal (Refereed)
    Abstract [en]

    The three rhizomatous perennials Elytrigia repens, Equisetum arvense and Tussilago farfara are all problematic in Scandinavian agriculture, due to their low susceptibility to soil cultivation. While repeated soil tillage is a fundamental part of the integrated control of these species, it is highly energy consuming and inefficient during periods when little sprout regrowth occurs. Substituting cultivation with mowing will reduce the environmental impact and labour costs, but its efficiency will still depend on the capacity of plants to sprout. Therefore, we studied the seasonal pattern in emergence and rhizome biomass allocation from July to April in six populations for each of the species. Plants were grown outdoors in pots buried in soil and exhumed at regular intervals in a two-year experiment. In all three species, biomass allocation to rhizomes continued until late in the autumn. Emergence was severely impaired in E.arvense and T.farfara in September-October, while in E.repens, there was no such reduction in the number of emerged shoots. However, in the latter species, the shoot/rhizome ratio decreased and remained low until the plants had been exposed to a period of low temperatures. The increase in shoot/rhizome ratio for E.repens coincided with the resumed capacity to emerge for E.arvense and T.farfara. These results imply that there is no need to repeat a defoliation of E.arvense and T.farfara, if carried out in September-October. However, removal of the aerial plant parts early in the autumn is important to interrupt the upload of storage compounds to the rhizome systems of all species.

  • 2. Dashevskaya, S
    et al.
    Kopito, R B
    Friedman, Ran
    Tel Aviv University, Israel.
    Elbaum, M
    Epel, B L
    Diffusion of anionic and neutral GFP derivatives through plasmodesmata in epidermal cells of Nicotiana benthamiana2008In: ProtoplasmaArticle in journal (Refereed)
  • 3.
    Eriksen, B
    et al.
    University of Gothenburg.
    Molau, U
    University of Gothenburg.
    Svensson, Mikael
    University of Gothenburg.
    Reproductive strategies in two arctic Pedicularis species (Scrophulariaceae)1993In: Ecography, ISSN 0906-7590, E-ISSN 1600-0587, Vol. 16, no 2, p. 154-166Article in journal (Refereed)
    Abstract [en]

    A study of a number of reproductive traits in two sympatric species of Pedicularis in northern Swedish Lapland, the subarctic-alpine P lapponica and the artic P hursuta, revealed that the life-history strategies of the two species differ profoundly High fruit set and low seed abortion rate, as m P hursuta, is common in arctic plants in late-thawing habitats and represents a case of extreme adversity selection rather than an indication of a ruderal life-history strategy Pedicularis lapponica, on the other hand, is a typical K-strategist (or stress-tolerator) requiring a longer period of growth for optimal reproduction Occuring at both low and high altitudes in the area, P lapponica tends to increase in self-compatibility with altitude, which is interpreted as an adaptation to lower pollinator visitation frequency in arctic environments The variation in length of the protruding part of the style in P lapponica is shown to be correlated with exposure to light Predispersal seed predation is severe m P lapponica at low altitudes, where the capsules are attacked by fly and moth larvae At high altitudes, a minor proportion of the capsules of P lapponica experience predation and only from flies, while P hursuta is completely unpredated

  • 4.
    Hallberg, Henrik
    et al.
    Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences.
    Palovaara, Joakim
    Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences.
    Hakman, Inger
    Linnaeus University, Faculty of Science and Engineering, School of Natural Sciences.
    Auxin polar transport and PIN localization pattern during conifer embryo development2010Conference paper (Other academic)
  • 5. Hameed, Mahmood
    The Botanical medications and their Methods of preparation1993 (ed. 1)Book (Refereed)
    Abstract [ar]

    الاستطبابات النباتية وطرق تحضيرها: يقدم هذا الكتاب توصيفا لأهم النباتات الطبية مع مقارنة لفوائدها الطبية بين القديم والحاضر أي بين ما وثقته الكتب القديمة حول الفوائد الطبية لهذه النباتات نقلا عن العلماء القدامى مثل ابن سينا وابن البيطار وديسقوريديس وغيرهم وبين ما أثبته العلم الحديث من فوائد طبية لهذه النباتات وكيفية استعمالها.

  • 6. Hameed, Mahmood
    The Haus pharmacy “Scientific, medical,  educational and popularity encyclopedia”2002 (ed. 1)Book (Refereed)
    Abstract [ar]

  • 7. Hameed, Mahmood
    The Medical Plants in the Arab World1991 (ed. 1)Book (Refereed)
    Abstract [ar]

    النباتات الطبية في الوطن العربي: يقدم هذا الكتاب تلخيصا للفوائد الطبية لأهم النباتات الطبية في الوطن العربي مع أهم الوصفات الطبية التطبيقية الشعبية المفيدة.

  • 8. Hameed, Mahmood
    The practical Family Guide Book for using the medical Plants2000 (ed. 1)Book (Refereed)
    Abstract [ar]

     

    دليل الأسرة العملي لاستخدام النباتات الطبية في المنزل: يعتبر هذا الكتاب دليلا عمليا حول كيفية استخدام النباتات الطبية في المنزل واستخدامها في علاج أكثر الأمراض شيوعاً، إذ تم تضمينه عددا من الوصفات الطبية القيمة.

  • 9. Hameed, Mahmood
    et al.
    Al-Madani, Amaal
    The Apple-Vinegar for Health and Beauty2006 (ed. 1)Book (Refereed)
    Abstract [ar]