Heritability of morphophysiological traits in popcorn for drought tolerance and their use as breeding indicators of superior genotypes

FN Viana, MM Chaves, SH Kamphorst… - Agronomy, 2022 - mdpi.com
This study aimed to identify the genetic control of morphological, water status, and root traits
in four inbred lines and their pre-selected hybrid combinations of popcorn, and to identify the …

Water Use Efficiency in Popcorn (Zea mays L. var. everta): Which Physiological Traits Would Be Useful for Breeding?

JT Leite, AT Amaral Junior, SH Kamphorst, VJ Lima… - Plants, 2021 - mdpi.com
To ensure genetic gains in popcorn breeding programs carried out under drought conditions
knowledge about the response of morphophysiological traits of plants to water stress for the …

[PDF][PDF] Popcorn breeding for water-stress tolerance or for agronomic water-use efficiency

SH Kamphorst, VJ De Lima, JT Leite… - Genet. Mol …, 2018 - funpecrp.com.br
Soil water limitations can cause high losses in agricultural yields. In order to investigate how
popcorn varieties are affected by reduced water availability, we evaluated grain yield (GY) …

Can genetic progress for drought tolerance in popcorn be achieved by indirect selection?

SH Kamphorst, AT Amaral Júnior, VJ Lima… - Agronomy, 2019 - mdpi.com
The objective of this study was to estimate the direct and indirect effects of agricultural,
morphological, physiological, and root traits of popcorn lines, under two conditions of water …

Early selection for drought tolerance in popcorn based on gene effects estimated in seedlings

CM Carvalho, S Khan… - Frontiers in Plant …, 2023 - frontiersin.org
Low rainfall rates are becoming increasingly frequent because of climate change, causing
droughts and threatening world food security. For popcorn, drought is the most limiting …

Supporting physiological trait for indirect selection for grain yield in drought-stressed popcorn

SH Kamphorst, GMB Gonçalves, AT Amaral Júnior… - Plants, 2021 - mdpi.com
The identification of traits associated with drought tolerance in popcorn is a contribution to
support selection of superior plants under soil water deficit. The objective of this study was to …

Assessing Combining Abilities of Popcorn Inbred Lines for Agronomic and Root Traits under Contrasting Water Conditions: Towards Developing Drought-Tolerant …

RB Bispo, ATA Junior, SH Kamphorst, VJ Lima… - Stresses, 2023 - mdpi.com
Developing popcorn genotypes that are adapted to water-deficit conditions is crucial due to
the significant impact of this abiotic stress on grain yield. This study aimed to assess the …

All are in a drought, but some stand out: multivariate analysis in the selection of agronomic efficient popcorn genotypes

JT Leite, AT Amaral Junior, SH Kamphorst, VJ Lima… - Plants, 2022 - mdpi.com
The search for productive germplasm adapted to adverse conditions is an important action
to mitigate the harmful effects of climate change. The aim was to identify the yield potential of …

Phenotyping Latin American open-pollinated varieties of popcorn for environments with low water availability

TO Santos, AT Amaral Junior, RB Bispo, VJ Lima… - Plants, 2021 - mdpi.com
Drought is a common abiotic stress in tropical and subtropical regions that limits the growth
and development of agricultural crops, mainly impacting grain yield. Acting through plant …

Comparison of Selection Traits for Effective Popcorn (Zea mays L. var. Everta) Breeding Under Water Limiting Conditions

SH Kamphorst, AT Amaral Júnior, VJ de Lima… - Frontiers in Plant …, 2020 - frontiersin.org
Climate change is expected to intensify water restriction to crops, impacting on the yield
potential of crops such as popcorn. This work aimed to evaluate the performance of 10 field …