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[PDF] Top 20 Genetic control of grain yield and nitrogen use efficiency in tropical maize

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Genetic control of grain yield and nitrogen use efficiency in tropical maize

Genetic control of grain yield and nitrogen use efficiency in tropical maize

... objectives of this work were to study the genetic control of grain yield (GY) and nitrogen (N) use efficiency (NUE, grain yield/N ... See full document

8

Improving water use efficiency in grain production of winter wheat and summer maize in the North China Plain: a review

Improving water use efficiency in grain production of winter wheat and summer maize in the North China Plain: a review

... wheat and 13.3% for maize (Fig. 4), and WUE was increased by around 10% to 20% under MI compared to the normal irrigation ...mm, and for maize was 319.3 mm. The mean annual total ET ... See full document

9

Leaf relative chlorophyll content as an indicator parameter to predict nitrogen fertilization in maize

Leaf relative chlorophyll content as an indicator parameter to predict nitrogen fertilization in maize

... evaluated in various crops (ARGENTA et al., 2001a). For maize, readings taken with this equipment presented variable correlation with grain yield depending on the plant growth ...content ... See full document

9

Monitoring and Evaluation of Need for Nitrogen Fertilizer Topdressing for Maize Leaf Chlorophyll Readings and the Relationship with Grain Yield

Monitoring and Evaluation of Need for Nitrogen Fertilizer Topdressing for Maize Leaf Chlorophyll Readings and the Relationship with Grain Yield

... availability in nitric form. For this reason, the efficiency of nitrogen fertilizer can be different, in function of losses, time in which no- tillage farming has been ... See full document

10

YIELD AND AGRONOMIC EFFICIENCY OF SUNFLOWER IN RESPONSE TO NITROGEN FERTILIZER APPLICATION AND SOWING SEASON

YIELD AND AGRONOMIC EFFICIENCY OF SUNFLOWER IN RESPONSE TO NITROGEN FERTILIZER APPLICATION AND SOWING SEASON

... the use of agricultural inputs have been used in agriculture to identify the optimal level of nutrients to be supplied for high ...losses and excessive application of fertilizers ... See full document

11

Relationship between heterosis and genetic divergence for phosphorus use efficiency and its components in tropical maize

Relationship between heterosis and genetic divergence for phosphorus use efficiency and its components in tropical maize

... changes and the increasing pressure for the development of sustainable agriculture, the phosphorus use efficiency (PUE) has been becoming important, especially for tropical soils where ... See full document

6

Effects of surface application of dolomitic limestone and calcium-magnesium silicate on soybean and maize in rotation with green manure in a tropical region

Effects of surface application of dolomitic limestone and calcium-magnesium silicate on soybean and maize in rotation with green manure in a tropical region

... acidity in Brazil, silicate could eiciently replace this source because of its greater solubility and its greater silicon content, which are beneicial for plant ...efects of supericial lime ... See full document

11

Efficiency of inoculant with Azospirillum brasilense on the growth and yield of second-harvest maize

Efficiency of inoculant with Azospirillum brasilense on the growth and yield of second-harvest maize

... results of the interaction between these bacteria and maize, in terms of agronomic potential, N fixation and growth promotion, depend on many biotic and environmental ... See full document

8

Tropical maize selection indexes genotypes for efficiency in use of nutrients: phosphorus

Tropical maize selection indexes genotypes for efficiency in use of nutrients: phosphorus

... results of individual analysis of variance indicated that, under low P availability, there was a significant difference for genotype effect in all the traits measured (Table ...supply of this ... See full document

8

Methods to classify maize cultivars in use efficiency and response to nitrogen

Methods to classify maize cultivars in use efficiency and response to nitrogen

... interpretation of the cultivar x N doses interaction becomes interesting as the more recently released maize cultivars are responsive to increased inputs and are very productive because they were ... See full document

7

A large and deep root system underlies high nitrogen-use efficiency in maize production.

A large and deep root system underlies high nitrogen-use efficiency in maize production.

... role in increasing crop yields [22, 23], limited attention has been paid to root characteristics in crop breeding, possibly because roots grow below- ground and are difficult to investigate [16, ... See full document

17

Genetic diversity, path analysis and association mapping for nitrogen use efficiency in popcorn

Genetic diversity, path analysis and association mapping for nitrogen use efficiency in popcorn

... 2006) and grain yield components (Messmer et ...performed in a thermal cycler PTC-200 (MJ Research, Watertown, MA) using a touchdown profile and the products were analyzed by gel ... See full document

48

RENDIMENTO E TEOR DE PROTEÍNA BRUTA NOS GRÃOS DE HÍBRIDOS DE MILHO COM ADUBAÇÃO NITROGENADA DE COBERTURA TARDIA

RENDIMENTO E TEOR DE PROTEÍNA BRUTA NOS GRÃOS DE HÍBRIDOS DE MILHO COM ADUBAÇÃO NITROGENADA DE COBERTURA TARDIA

... loss of grain yield potential, mainly when N supply during the vegeta- tive stages is insufficient, and nitrogen deficiency more accentuated at ...when nitrogen deficiency is ... See full document

6

Performance Of Different Tillage Implements And Their Effects On Sorghum And Maize Grown In Gezira Vertisols Sudan

Performance Of Different Tillage Implements And Their Effects On Sorghum And Maize Grown In Gezira Vertisols Sudan

... production in heavy clay soil. Experiments were conducted for two seasons (1998 and 1999) to investigate the effects of six tillage methods on sorghum and maize establishment and ... See full document

6

Effects of surface application of dolomitic limestone and calcium-magnesium silicate on soybean and maize in rotation with green manure in a tropical region

Effects of surface application of dolomitic limestone and calcium-magnesium silicate on soybean and maize in rotation with green manure in a tropical region

... acidity in Brazil, silicate could efficiently replace this source because of its greater solubility and its greater silicon content, which are beneficial for plant ...effects of superficial ... See full document

11

Implications of selection in common bean lines in contrasting environments concerning nitrogen levels

Implications of selection in common bean lines in contrasting environments concerning nitrogen levels

... – Grain productivities of 100 bean lines were evaluated in the presence and absence of nitrogen fertilizer in order to identify those with high nitrogen use ... See full document

6

Genetic control of traits associated with phosphorus use efficiency in maize by REMLBLUP

Genetic control of traits associated with phosphorus use efficiency in maize by REMLBLUP

... positive and significant correlation between root length and PUE having been seen, it’s probably not possible to select more efficient genotypes based on these root ...(2010) and Pereira (2011) found ... See full document

10

Index selection of tropical maize genotypes for nitrogen use efficiency

Index selection of tropical maize genotypes for nitrogen use efficiency

... most of the studied characters under high and low N availability (Table ...levels and SRS under low ...considered in the subsequent analyses. The observed significant genetic ... See full document

7

Nitrogen-use efficiency of maize genotypes in contrasting environments

Nitrogen-use efficiency of maize genotypes in contrasting environments

... effect of genotype-environment interaction did not prove significant (p> ...for grain yield, indicating a similar response of all evaluated genotypes to the environments of low ... See full document

8

Genetic responses of traits relationship to components of nitrogen and phosphorus use efficiency in maize

Genetic responses of traits relationship to components of nitrogen and phosphorus use efficiency in maize

... resolution of 400 dpi, as described by Bouma et al. (2000). The lateral and axial root lengths were extracted from the all class of diameter (d), obtained by WinRhizo as lateral root length (LLAT) ... See full document

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