Germination requirements for 29 terrestrial and wetland wild plant species appropriate for phytotoxicity testing

2009 ◽  
Vol 65 (1) ◽  
pp. 19-26 ◽  
Author(s):  
Andrea L White ◽  
Céline Boutin ◽  
Rebecca L Dalton ◽  
Bettina Henkelman ◽  
David Carpenter
Keyword(s):  
Plant Species ◽  
Wild Plant ◽  
Wild Plant Species ◽  
Germination Requirements

Dormancy-breaking and germination requirements of seeds of the Hawaiian endemic Dianella sandwicensis (Xanthorrhoeaceae)

2018 ◽  
Vol 66 (3) ◽  
pp. 213 ◽  
Author(s):  
Dustin Wolkis ◽  
Carol C. Baskin ◽  
Jerry M. Baskin
Keyword(s):  
Plant Species ◽  
Early Summer ◽  
Wild Plant ◽  
Dormancy Breaking ◽  
Seed Length ◽  
Morphophysiological Dormancy ◽  
Wild Plant Species ◽  
Temperature Requirements ◽  
Embryo Length ◽  
Germination Requirements

One problem with including some wild plant species in restoration projects is that seeds are dormant and fail to germinate. Thus, information on the dormancy-breaking and germination requirements facilitates propagation of species, such as the Hawaiian endemic Dianella sandwicensis Hook. & Arn., for conservation. In seeds of this species the embryo is shorter than the endosperm, and seeds sown in early summer in Hawai‘i did not germinate until autumn. Thus, we hypothesised that seeds have morphophysiological dormancy (MPD) and that germination is promoted by low (autumn) temperatures. Studies on embryo growth and the temperature requirements for dormancy-break and germination were conducted on seeds of D. sandwicensis collected on three Hawaiian Islands. Prior to germination the embryo length : seed length ratio increased 16.3 to 17.6%; thus, seeds have MPD. Since both embryo growth and germination occurred at 25/15°C, seeds have a simple level of MPD. Seeds germinated to 90–100% at both 20/10 and 25/15°C, but germination was faster at 20/10°C. However, seeds incubated for 12 weeks at 25/15°C then moved to 20/10°C reached 100% germination as rapidly as seeds kept at 20/10°C. Our results show that exposure of seeds to relatively cool autumn (20/10°C) conditions facilitates propagation of this species from seeds.

scholarly journals Deciphering Substrate-Specific Methane Yields of Perennial Herbaceous Wild Plant Species

Agronomy ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 451
Author(s):  
Moritz von Cossel ◽  
Lorena Agra Pereira ◽  
Iris Lewandowski
Keyword(s):  
Plant Species ◽  
Dry Matter ◽  
Plant Biomass ◽  
Cropping Systems ◽  
Wild Plant ◽  
Small Scale ◽  
Social Ecological ◽  
Wild Plant Species ◽  
Global Demand ◽  
Bioenergy Cropping Systems

The global demand for plant biomass to provide bioenergy and heat is continuously increasing because of a growing interest among many industrialized and developing countries towards climate sound and renewable energy supply. The exacerbation of land-use conflicts proliferates social-ecological demands on future bioenergy cropping systems. Perennial herbaceous wild plant mixtures (WPMs) represent an approach to providing social-ecologically more sustainably produced biogas substrate that has gained increasing public and political interest only in recent years. The focus of this study lies on three perennial wild plant species (WPS) that usually dominate the biomass yield performance of WPM cultivation. These WPS were compared with established biogas crops in terms of their substrate-specific methane yield (SMY) and lignocellulosic composition. The plant samples were investigated in a small-scale mesophilic discontinuous biogas batch test for determining the SMY. All WPS were found to have significantly lower SMY (241.5–248.5 lN kgVS−1) than maize (337.5 lN kgVS−1). This was attributed to higher contents of lignin (9.7–12.8% of dry matter) as well as lower contents of hemicellulose (9.9–11.5% of dry matter) in the WPS. Only minor, non-significant differences to cup plant and Virginia mallow were observed. Thus, when planning WPS as a diversification measure in biogas cropping systems, their lower SMY should be considered.

scholarly journals Neglected and Underutilized Plant Species (NUS) from the Apulia Region Worthy of Being Rescued and Re-Included in Daily Diet

Horticulturae ◽  
2021 ◽  
Vol 7 (7) ◽  
pp. 177
Author(s):  
Aurelia Scarano ◽  
Teodoro Semeraro ◽  
Marcello Chieppa ◽  
Angelo Santino
Keyword(s):  
Plant Species ◽  
Global Market ◽  
Wild Plant ◽  
Nutritional Security ◽  
Apulia Region ◽  
Daily Diet ◽  
Wild Plant Species ◽  
Market Requirements ◽  
Strategic Role ◽  
Security Challenge

Neglected and underutilized species (NUS) are cultivated, semi-domesticated, or wild plant species, not included in the group of the major staple crops, since, in most cases, they do not meet the global market requirements. As they often represent resilient species and valuable sources of vitamins, micronutrients, and other phytochemicals, a wider use of NUS would enhance sustainability of agro-systems and a choice of nutritious foods with a strategic role for addressing the nutritional security challenge across Europe. In this review, we focused on some examples of NUS from the Apulia Region (Southern Italy), either cultivated or spontaneously growing species, showing interesting adaptative, nutritional, and economical potential that can be exploited and properly enhanced in future programs.

scholarly journals Influence of Cerium Oxide Nanoparticles on Two Terrestrial Wild Plant Species

Plants ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 335
Author(s):  
Daniel Lizzi ◽  
Alessandro Mattiello ◽  
Alessio Adamiano ◽  
Guido Fellet ◽  
Emanuele Gava ◽  
...  
Keyword(s):  
Cerium Oxide ◽  
Plant Species ◽  
Dry Weight ◽  
Wild Plants ◽  
Wild Plant ◽  
Cerium Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Experimental Conditions ◽  
Wild Plant Species ◽  
Leaf Tissues

Most current studies on the relationships between plans and engineered nanomaterials (ENMs) are focused on food crops, while the effects on spontaneous plants have been neglected so far. However, from an ecological perspective, the ENMs impacts on the wild plants could have dire consequences on food webs and ecosystem services. Therefore, they should not be considered less critical. A pot trial was carried out in greenhouse conditions to evaluate the growth of Holcus lanatus L. (monocot) and Diplotaxis tenuifolia L. DC. (dicot) exposed to cerium oxide nanoparticles (nCeO2). Plants were grown for their entire cycle in a substrate amended with 200 mg kg−1nCeO2 having the size of 25 nm and 50 nm, respectively. nCeO2 were taken up by plant roots and then translocated towards leaf tissues of both species. However, the mean size of nCeO2 found in the roots of the species was different. In D. tenuifolia, there was evidence of more significant particle aggregation compared to H. lanatus. Further, biomass variables (dry weight of plant fractions and leaf area) showed that plant species responded differently to the treatments. In the experimental conditions, there were recorded stimulating effects on plant growth. However, nutritional imbalances for macro and micronutrients were observed, as well.

Economic analysis of habitat manipulation in Brassica pest management: Wild plant species suppress cabbage webworm

2021 ◽  
pp. 105788
Author(s):  
Blankson W. Amoabeng ◽  
Philip C. Stevenson ◽  
Moses B. Mochiah ◽  
Kwesi P. Asare ◽  
Geoff M. Gurr
Keyword(s):  
Economic Analysis ◽  
Pest Management ◽  
Plant Species ◽  
Wild Plant ◽  
Habitat Manipulation ◽  
Wild Plant Species

scholarly journals African Botanical Heritage for New Crop Development

Afrika Focus ◽  
2008 ◽  
Vol 21 (1) ◽  
Author(s):  
Patrick Van Damme ◽  
Céline Termote
Keyword(s):  
Plant Species ◽  
Value Chain ◽  
Wild Plant ◽  
Income Generation ◽  
African Continent ◽  
Wild Plant Species ◽  
Crop Development ◽  
Subsequent Crop ◽  
Practical Implications ◽  
New Crop

The African continent is rather poor in plant biodiversity when compared to other continents on and around the equator. Nevertheless, lots of useful plant species have been domesticated from Sub-Sahara Africa material. Ethnobotanical research offers the possibility to collect information on the use and utility of wild plant species from traditional peoples often living in or close to a challenging natural environment. This type of information then allows us to find new candidates for domestication and subsequent crop development for income generation and increased food security. The case of Gnetum africanum illustrates the practical implications of developing a lesser-known species, and highlights the institutional problems that go together with niche crop development. The latter are subsequently presented and discussed in extenso, and solutions proposed in a second part of this review text. Key words: Ethnobotany, Domestication, Non-timber Forest Product, Value Chain, Marketing 

Effects of vapours of chlorpropham and ethofumesate on wild plant species

2001 ◽  
Vol 114 (1) ◽  
pp. 21-28 ◽  
Author(s):  
J Franzaring ◽  
C Kempenaar ◽  
L.J.M van der Eerden
Keyword(s):  
Plant Species ◽  
Wild Plant ◽  
Wild Plant Species
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