نتایج جستجو برای: plant germination

تعداد نتایج: 410673  

2007

Experiments to investigate the effect of various thermotherapy and fungicide treatments on the germination of single-budded setts (SBS) of sugarcane are described. Treatment in water at 52OC for 10 minutes significantly increased germination and plant growth. Immersing setts in cold water containing Eria@ (62,5 ppm carbendazim + 31,25 ppm difenoconazole; 0,5 m1 in 1 L) for 10 minutes also impro...

2016
Qian-Feng Li Min Xiong Peng Xu Li-Chun Huang Chang-Quan Zhang Qiao-Quan Liu

Brassinosteroids (BRs), essential plant-specific steroidal hormones, function in a wide spectrum of plant growth and development events, including seed germination. Rice is not only a monocotyledonous model plant but also one of the most important staple food crops of human beings. Rice seed germination is a decisive event for the next-generation of plant growth and successful seed germination ...

2002
V. J. ALLISON

1. Environmental variables that positively affect one aspect of plant fitness, may have no effect, or even negatively affect some other component of fitness. 2. Using individuals of Achillea millefolium grown under field conditions in Michigan, USA, the hypothesis was tested that seed number was determined largely by plant biomass, while seed germination success depends on tissue nutrient conce...

2011
R. R. Mehta

KUMBHAR B. A. AND DABGAR Y. B. Dept. of Biotechnology, Sheth M.N. Science College, Patan (Gujarat) India R.R. Mehta College of Science and C.L. Parikh College of Commerce, Palanpur (Gujarat) India Abstract This study investigated the allelopathic effects of various weed (Euphorbia thiamifolia L.) plant parts on pigeon pea germination and seedling growth. Aqueous extracts of Euphorbia thiamifoli...

Journal: :Plant science : an international journal of experimental plant biology 2001
Y Goldwasser J I. Yoder

Parasitic plants, including the root holoparasites Orobanche spp., cause devastating damage to crops worldwide. Arabidopsis thaliana (L.) is widely used an amenable model for the study of plant biology, including plant-pathogen interactions. Bringing the two plants together in a controlled system will enable the study of the molecular and genetic basis involved in host-parasitic plant interacti...

2015
Erin K. Kuprewicz

Scatter hoarding of seeds by animals contributes significantly to forest-level processes, including plant recruitment and forest community composition. However, the potential positive and negative effects of caching on seed survival, germination success, and seedling survival have rarely been assessed through experimental studies. Here, I tested the hypothesis that seed burial mimicking caches ...

2008
Carmen Alice Teacă

Environmental pollution has a harmful action on bioresources, including agricultural crops. It is generated through many industrial activities such as mining, coal burning, chemical technology, cement production, pulp and paper industry, etc. The toxicity of different industrial wastes and heavy metals excess was evaluated using crop plant assays (germination and hydroponics seedlings growth te...

Journal: :Annals of botany 2012
Luz Elena Garza-Caligaris Aida Odette Avendaño-Vázquez Sandra Alvarado-López Esther Zúñiga-Sánchez Alma Orozco-Segovia Rigoberto V Pérez-Ruíz Alicia Gamboa-Debuen

BACKGROUND AND AIMS Prolonged storage generally reduces seed viability and vigour, although the rate of deterioration varies among species and environmental conditions. Here, we suggest a possible ageing molecular marker: At3g08030 mRNA. At3g08030 is a member of the DUF642 highly conserved family of cell-wall-associated proteins that is specific for spermatophytes. METHODS At3g08030 expressio...

Journal: :Journal of experimental botany 2011
Karin Weitbrecht Kerstin Müller Gerhard Leubner-Metzger

Most plant seeds are dispersed in a dry, mature state. If these seeds are non-dormant and the environmental conditions are favourable, they will pass through the complex process of germination. In this review, recent progress made with state-of-the-art techniques including genome-wide gene expression analyses that provided deeper insight into the early phase of seed germination, which includes ...

Journal: :Journal of agricultural and food chemistry 2005
Marnie E Light Barend V Burger Johannes van Staden

The ability of plant-derived smoke to act as a germination cue in many species has led to widespread interest in this aspect of seed biology. Recently, 3-methyl-2H-furo[2,3-c]pyran-2-one was identified as the main germination cue from smoke. Here, we report on the formation of this compound from reactions of sugars with amino acids. Heating proteins or amino acids with sugars at 180 degrees C f...

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