نتایج جستجو برای: ornamental plants

تعداد نتایج: 201640  

Due to rapid industrialization and urbanization, environmental pollution has become a significant concern in developing countries; therefore, the main objective of the current study is to determine some of the heavy metal (HM) concentrations in the leaves of dusty miller (Cineraria maritima) and purstane (Mesembryanthemum cordifolium) in different general bus terminal along with the green space...

2015
Sharmita Gupta Arvind Kumar

Duranta plumeiri is an ornamental plant with 30 to 36 species found throughout the world. The plants of D. plumeiri were found to be affected by chlorotic spots and mosaic. Studies on variations in expression of symptoms on different hosts, and confirmation by electron microscopy were done to establish the viral nature of the disease in D. plumeiri plants.

Journal: :Conservation biology : the journal of the Society for Conservation Biology 2007
Katharina Dehnen-Schmutz Julia Touza Charles Perrings Mark Williamson

Ornamental horticulture has been recognized as the main pathway for plant invasions worldwide. We examined the link between propagule pressure created by the presence of ornamental plants in the market and their ability to escape from cultivation and establish in the wild. A random sample of 534 non-native ornamental species on sale in nineteenth century Britain showed that 27% of these species...

2002
P. D. PRATT R. ROSETTA B. A. CROFT

The predatory mite Neoseiulus fallacis (Garman) was evaluated as a biological control agent of herbivorous mites on outdoor-grown ornamental landscape plants. To elucidate factors that may affect predator efÞciency, replicated tests were conducted on 30 ornamental plant cultivars that varied in relationship to their generalized morphology (e.g., conifers, shade trees, evergreen shrubs, deciduou...

2009
William E. Klingeman Gretchen V. Pettis Kristine Braman

Although lawn care and landscape maintenance professionals appear increasingly willing to use Integrated Pest Management (IPM) strategies and adopt nonchemical pest management alternatives into management practices, the opinions of landscape management professionals have not been assessed regarding anticipated influences of increased use of insectand disease-resistant ornamental plants on groun...

2013
Suresh Challa

Alpha amylase inhibitors derived from plants pose a new commercial dimension in designing potent drug targets for the treatment of postprandialhyper glycemia (PPHG), a major concern for type-2 Diabetes. A large number of traditionally known medicinal plants are being screened for their natural amylase inhibitors. The present study was carried out to screen six ornamental plants wildly grown in ...

2015
Špela Alič Tina Naglič Pablo Llop Nataša Toplak Simon Koren Maja Ravnikar Tanja Dreo

The genus Dickeya contains bacteria causing soft rot of economically important crops and ornamental plants. Here, we report the draft genome sequences of two Dickeya sp. isolates from rotted leaves of Phalaenopsis orchids.

Journal: :آب و خاک 0
مسعود داوری مهدی همایی

abstract soil contamination by heavy metals is yet one of the most important environmental concerns. among heavy metals, nickel and cadmium have dangerous influences on human, animals and plants. the objective of this study was to derive a new model for simultaneous phytoextraction of ni and cd from contaminated soils. consequently, a macroscopic model was derived by combining yield reduction f...

Journal: :بیماریهای گیاهی 0

impatiens necrotic spot virus (insv) infects ornamental plants worldwide. it has been reported from almost every ornamental screenhouse in tehran province. insv symptoms include necrotic leaf spot, chlorosis and stunting. heavy losses have been reported from insv in plants such as zinnia elegans, ficus benjamina, viola spp., saintpaulia ioantha, althea spp., cheiranthus cheiri, pelargoniumxhort...

Journal: :اقتصاد و توسعه کشاورزی 0
نیکوئی نیکوئی رفعتی رفعتی بخشوده بخشوده

abstract producing of flowers and ornamental plants in iran has some challenges and failure in the market structure and marketing of these products. in this study, we evaluated the different marketing channels of flowers and ornamental plants in the existing market structure according to economic criteria and the characteristics of market structure. cut-rose and esfahan province were selected a...

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