نتایج جستجو برای: seed spike

تعداد نتایج: 100259  

2007
Jakob H. Macke Guenther Zeck Matthias Bethge

Stimulus selectivity of sensory neurons is often characterized by estimating their receptive field properties such as orientation selectivity. Receptive fields are usually derived from the mean (or covariance) of the spike-triggered stimulus ensemble. This approach treats each spike as an independent message but does not take into account that information might be conveyed through patterns of n...

Journal: :Agronomy 2023

Low Zinc (Zn) availability in alkaline calcareous soil is one of the major causes low cereal yield and quality. Conventional application Zn sulfate (ZnSO4) fertilizer through attains minimal efficiency as it readily fixed such soils. Oxozinc nanofiber (ZnONF) was evaluated for wheat biofortification using different methods to tackle this issue. Pots triplicate (each with 7 kg soil) were arrange...

Journal: :International journal of research in agronomy 2021

An experiment entitled, “Effects of planting methods on growth and yield paddy (Oryza sativa L.)” was carried out during Kharif, 2020 at Agricultural Research Station Farm, VadgaonMaval, Tal. Maval, Dist. Pune to investigate effects attributes L.). The field laid in Randomized Block Design (RBD) with three replications. There were eight treatments comprising different sowing rice viz., T1-Sowin...

Journal: :international journal of advanced biological and biomedical research 2014
mehdi taghizadeghan majid norouzi saeid aharizad

objective: wheat is the most important crop in iran. self sufficiency in wheat production is one of the economic and food safety policies in the country. in spite of the efforts which have been made in this area, the mean of wheat yield in iran is less than its world average. methods: in order to identifying of the high yielding wheat lines with optimal characteristics and to determine the trai...

2010
Sebastien Louis George L. Gerstein Sonja Grün Markus Diesmann

Detecting the excess of spike synchrony and testing its significance can not be done analytically for many types of spike trains and relies on adequate surrogate methods. The main challenge for these methods is to conserve certain features of the spike trains, the two most important being the firing rate and the inter-spike interval statistics. In this study we make use of operational time to i...

ژورنال: علوم آب و خاک 2008
بائوم, مایکل , محمدی, محتشم ,

Improving the drought tolerance of barley varieties through the integrated efforts of plant biotechnology and conventional breeding is an important objective in barley breeding. One hundred and fifty eight doubled haploid lines of barley were mapped with 50 SSR and 93 AFLP markers. Agronomic traits such as early growth vigor, plant height, peduncle length, extrude of spike from flag leaf, spike...

عبدالمجید رضایی, , بهرام حیدری, , سیدعلی محمد میرمحمدی میبدی, ,

Diallel analysis was used to estimate the combining ability, gene action, gene number, heritabilties and other genetic parameters of a set of wheat genotypes. For this purpose, nine parents and their 36 crosses were evaluated for 9 traits in a randomized complete block design with three replications in 1996. The analysis of variance revealed significant differences among all genotypes for all ...

ژورنال: علوم آب و خاک 2007
احمد ارزانی, , الهام فراهـانی, ,

An experiment was conducted to investigate the genetic diversity in the cultivars and F1 hybrids of durum wheat, using agronomic and morphological traits. Evaluation of consistency between choosing parents of crosses based on morphological and agronomic observations and genetic distance obtained from cluster analysis were objectives of this study. Fourty- two genotypes were evaluated using a ra...

Journal: :پژوهش های زراعی ایران 0

in order to investigate the indices of drought tolerance, correlation coefficient and path analysis at deficit irrigation and nitrogen experiment, this experiment was conducted as split plot arranged in a randomized complete block design (rcbd) with three replications during 2000-2003 for wheat at maragheh agricultural research station of dari. the treatments were included four levels of defici...

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