2023
DOI: 10.3389/fpls.2023.1203972
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Early selection for drought tolerance in popcorn based on gene effects estimated in seedlings

Carolina Macedo Carvalho,
Shahid Khan,
Antônio Teixeira do Amaral Junior
et al.

Abstract: 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 abiotic factor for plant’s growth and development. Thus, the water deficit directly impacts for crop productivity. Based on knowledge of the genetic basis of traits involved in stages of popcorn germination and seedling development under water stress, genotypes with potential for adaptation to adverse growing conditions can be selected … Show more

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Cited by 3 publications
(1 citation statement)
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“…In popcorn, it is known that, besides agronomic traits, indices related to the leaf greenness, leaf photosynthetic status, and stomatal conductance have been shown to be reliable indicators of agronomic performance under drought [ 12 , 30 , 31 , 32 , 33 , 34 , 35 , 36 ]. In these studies, a set of Brazilian germplasms was used, making it necessary to expand the genetic base to be evaluated to identify new sources of superior germplasm.…”
Section: Introductionmentioning
confidence: 99%
“…In popcorn, it is known that, besides agronomic traits, indices related to the leaf greenness, leaf photosynthetic status, and stomatal conductance have been shown to be reliable indicators of agronomic performance under drought [ 12 , 30 , 31 , 32 , 33 , 34 , 35 , 36 ]. In these studies, a set of Brazilian germplasms was used, making it necessary to expand the genetic base to be evaluated to identify new sources of superior germplasm.…”
Section: Introductionmentioning
confidence: 99%