نتایج جستجو برای: plant growth stages

تعداد نتایج: 1301336  

Journal: :Trends in plant science 2000
P McSteen D Laudencia-Chingcuanco J Colasanti

The life of a plant unfolds as a series of developmental stages, with each stage defined by changes in meristem identity. In maize, there are several distinct stages: the transition from vegetative growth to flowering, the elaboration of the inflorescence, and the formation of flowers. Progress in understanding meristem identity and function has been made by analyzing maize mutants with defects...

Journal: :Spanish Journal of Agricultural Research 2021

Aim of study: Entomopathogenic fungi (EPF) are biocontrol agents, plant growth promoters, and increase tolerance to biotic-abiotic stresses. In this study we investigated the factors associated application method, which crucial for interaction between fungus host at initial crop stages. Area The was performed in Cordoba (Spain) Material methods: Three experiments were investigate: (i) effect di...

2013
M. Ahmadi

Irrigated rapeseed (Brassica napus L.) cultivation is currently expanding in rotation with winter cereals in Iran where its reproductive growth is often exposed to water deficit in many parts, particularly in the south. A two growing seasons (2006-2008) field experiment was conducted at the Experimental Research Center, Shiraz University to study the effects of water stress at different growth ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده کشاورزی 1390

abstract this study is carried out to determine the chemical composition in the three vegetative stages of the haloxylon sp., degradation parameters, with adding naoh and ca(oh2 ). for this purpose, in may and october and january 2010 enough some haloxylon sp. of the ammary area was prepared. crude protein and ash percentage are decrease, neutral detergent fiber percentage with pragress stage ...

2010
Lei Xi Shuping Xiong Yanna Ren Qiang Wang Juan Yang Longlong Zhang Xinming Ma

Visualization study on the growth of virtual plant roots is of great significance to enhance the overall level of research on virtual plant growth. In this study, with the tobacco root as the object, its growth was divided by systematic analysis into three stages: root emergence, root growth, and root branching. Through the quantitative analysis of the morphological data of the tobacco root and...

Journal: :تحقیقات جغرافیایی 0
جواد خوشحال دانشگاه اصفهان محمدرضا شهسواری مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان طلعت یساری دانشگاه زابل

1- introduction crop development is qualitative changes planned that led the plant to ripening. factors such as water available, nitrogen and photosynthetic materials are affected growth and development. under irrigated conditions expected that all of factors except climate elements be controlled. thus, only climate elements able to change of plant growth and development and under these conditi...

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