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基于CERES-Maize模型的吉林春玉米遗传参数调试
春玉米 CERES-Maize 遗传参数 吉林
2017/11/16
为了应用CERES-Maize模型模拟吉林春玉米生长发育和产量形成，需要确定主栽春玉米品种的遗传参数。采用晚熟春玉米品种‘吉单159’和‘先玉335’多年田间观测数据和同期气象、土壤等数据进行遗传参数调试，并对模型的模拟效果进行验证。结果表明：2个春玉米品种生育期的模拟值和实测值散点均在1:1线周围。‘吉单159’播种至开花天数和播种至成熟天数RMSE值分别为3.78和10.90。‘先玉335’播...
The genome of the corn plant – or maize, as it’s called almost everywhere except the US – “is a lot more exciting” than scientists have previously believed. So says the lead scientist in a new e...
Management of Maize Stand Height using Growth Regulators
chlormequat chloride (CCC) ethephon mepiquat chloride prohexadione-Ca grain yield
2015/10/9
Effect in reducing maize plant height using growth regulators ethephon, chlormequat chloride (CCC), CCC + ethephon,
and mepiquat chloride + prohexadione-Ca was studied in field experiments during 20...
Study finds that maize roots have evolved to be more nitrogen efficient
maize roots more nitrogen efficient
2015/4/29
Selective breeding of maize over the last century to create hybrids with desirable shoot characteristics and increased yield may have contributed indirectly to the evolution of root systems that are m...
Grain quality of drought tolerant accessions within the MRI Zemun Polje maize germplasm collection
genetic gain macronutrients pre-breeding
2014/10/23
Maize Research Institute Zemun Polje (MRI) gene bank created an elite drought tolerant core collection of 40 accessions, based on field trials and general combining ability with inbred lines from the ...
Simulating of Top-Cross system for enhancement of antioxidants in maize grain
anthocyanins blue kernels flavonoids phenolics xenia Zea mays
2014/10/24
Blue maize (Zea mays L.) is grown for its high content of antioxidants. Conversion of yellow and white to blue maize is time consuming because several genes affect blue color. After each backcross sel...
Short Communication. Effect of phosphorus nutrition and grain position within maize cob on grain phosphorus accumulation
grain P grain position P contents P application
2014/10/24
Nutritional status of grains may vary due to external nutrient supply and their position within parent maize cob. Phosphorus (P) is the least mobile nutrient in the soil and therefore newly growing se...
Technical efficiency of traditional and hybrid maize farmers in Nigeria: Comparison of alternative approaches
Technical efficiency technology maize alternative approaches Nigeria
2011/1/13
In this study, technical efficiency of traditional and improved maize farms as well as impact of technological innovation on technical efficiency were investigated. Two-stage procedure was followed.
COMPARATIVE STUDY OF AGRONOMIC PARAMETERS IN SYNTHETIC MAIZE VARIETIES
Zea mays cultivars performance agronomic characters
2010/9/27
Yield and yield components of five synthetic maize cultivars (EV-3001, Jalal,Kisan, Azam and Pahari) were studied at Chilas Agriculture Farm, district Diamer, Northern Areas, Pakistan during 2005. Cul...
Root Branching in Maize:I. "Branching index" and methods for measuring root length
Branch root Branching index Image analyzing system Line intersection method Maize
2009/8/4
Root branching in maize (Zea mays L. cv. Pioneer 3558) at harvest stage was examined, with the "branching index" defined as the product of the 'length factor' and 'density factor'. "Branching index" w...
Analysis of Glucose Metabolism in the Heterotic Viability in Seedling Growth of Maize F1 Hybrid
F1 hybrid Germination Glucose metabolism Hybrid vigor
2009/7/31
We have analyzed seedling growth of maize F1 hybrids, CO2 evolution from kernels and glucose metabolism in embryonic cells during the germination process, and compared these factors with equivalent fa...
Bleeding Rate of Field-Grown Maize with Reference to Root System Development
Bleeding rate Diurnal change Maize Nodal root Root Root system
2009/7/15
Bleeding rate could be an effective index for the physiological activity of a whole root system in field-grown crops, because it is based on active water absorption caused by root pressure. We examine...
Factors influencing adoption of stress-tolerant maize hybrid（WH 502）in western Kenya
Hybrid maize adoption socio-economic characteristics varietal characteristics high yield
2009/3/4
Non-adoption of suitable maize varieties was identified as the second most important constraint responsible for low maize yields in western Kenya. In order to increase adoption of suitable varieties...
Longevity of maize（Zea mays L.）seeds during low input storage under ambient conditions of southwestern Nigeria
Probit analysis Seed conservation Tropical seed storage
2009/2/19
Seed longevity of two commercial hybrid maize (Zea mays L.) varieties (‘Oba-Super’ and ‘Suwan-1’) were evaluated under simulated low-input seed storage systems typical of the tropics. Saturated salt...
A Comparison of Some Maize Inbred Lines and Their Testcrosses Under the Second Crop Conditions
Maize Inbred Lines Testcrosses Second Crop Conditions
2009/1/23
In this study ten maize inbred lines and their testcrosses were investigated in terms of some traits. Dependence of test-crosses on the inbred lines and similarity of the inbred line groups with their...