نتایج جستجو برای: stress indices

تعداد نتایج: 517004  

Journal: :Remote Sensing 2015
Victoria González-Dugo Pilar Hernández Ignacio Solis Pablo J. Zarco-Tejada

There is a growing need for developing high-throughput tools for crop phenotyping that would increase the rate of genetic improvement. In most cases, the indicators used for this purpose are related with canopy structure (often acquired with RGB cameras and multispectral sensors allowing the calculation of NDVI), but using approaches related with the crop physiology are rare. High-resolution hy...

Journal: :Journal of dairy science 2007
J Bohmanova I Misztal J B Cole

Meteorological data (1993 to 2004) from 2 public weather stations in Phoenix, Arizona, and Athens, Georgia, were analyzed with test day milk yield data from herds near weather stations to identify the most appropriate temperature-humidity index (THI) to measure losses in milk production due to heat stress in the semiarid climate of Arizona and the humid climate of Georgia. Seven THI with differ...

بی همتا, حمدرضا, سلیمانی, امان الله, معالی امیری, رضا, پیغمبری, سیدعلی,

     Drought is one of the major environmental limiting factors in the global agriculture. Exploiting of crop yield potential and increasing yield stability of them in drought and drought-prone regions can be guaranteed to feed the world’s growing population. For this purpose, in order to assess the late season drought tolerance genotypes and determining of tolerant them using stress tolerance ...

Journal: :Singapore medical journal 2010
R Ahmad A K Tripathi P Tripathi R Singh S Singh R K Singh

INTRODUCTION Chronic myeloid leukaemia (CML) is a myeloproliferative disorder of the haematopoietic cell. Free radicals can be important causative agents of a number of human diseases, including cancer and leukaemia. Thus, antioxidants, which control the oxidative stress state, represent a major line of defense for regulating the overall true state of health. The relationship between non-enzyma...

Journal: :European Journal of Obstetrics & Gynecology and Reproductive Biology 2016

Journal: :crop breeding journal 2012
m. pouresmaeil r. khavari-nejad j. mozafari f. najafi f. moradi

drought is a major limiting factor for agricultural production in most parts of the world and landraces areimportant genetic resources for crop improvement in dry areas. during the 2007-2008 cropping season, 23 chickpea (cicer arietinum l.) genotypes consisting of 21 kabuli chickpea landraces provided by the national plant gene bank of iran and two known commercial varieties (hashem and arman) ...

اصغری, علی, رسول­ زاده, علی, سفالیان, امید, طهماسب عالی, مریم, محمددوست چمن­ آباد, حمیدرضا,

Basically, the most important limiting factor in plant growth is the lack of water. More lands in Iran are located in arid and semi-arid region and so identifying of ghenotype that can produce acceptable yield under drought conditions is essential. In order to identification of drought stress tolerant varieties, 20 wheat cultivars were evaluated at three stress levels (control, -0.6 and -1.2 MP...

2013
H Omidi L Jafarzadeh P Saffarian

To study drought stress on seedling dry weight, proline contents and evaluate of antioxidant enzymes activity in canola genotypes (Brassica napus l.), an experiment were evaluated at laboratory physiology, Shahed University. This experiment was carried out in factorial with CRD design with 4 replications in 2008. The first factor was including levels of dough stress, one without stress as check...

Journal: :پژوهش های تولید گیاهی 0

the effect of drought on the seed yield and some associated characteristics of common been under normal and drought stress conditions and determination of durable genotypes to drought were studied by planting 32 genotypes in two separate augmented designs in normal and stress conditions. these genotypes were evaluated in randomized complete block design with 3 replications in the field of facul...

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