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Table 2 Genetic correlation among traits under across normal environment (above diagonal) and heat stress conditions (below diagonal)

From: Genome wide association mapping for heat tolerance in sub-tropical maize

Trait AD SD ASI PH EH EPO GY
AD 1 0.87*** − 0.04*** 0.32*** 0.38*** −0.05 − 0.18***
SD 1 0.22*** 0.26*** 0.31*** −0.08 − 0.27***
ASI 0.35*** 1 −0.44*** −0.41*** − 0.53*** −0.76***
PH 0.99** −0.12** 1 0.72*** 0.31*** 0.40***
EH 0.82*** −0.31*** 0.95*** 1 0.88*** 0.41***
EPO 0.34*** −0.39*** 0.75*** 0.95*** 1 0.35***
GY −0.99*** −0.76*** 0.39*** 0.31*** 0.22*** 1
  1. * = 0.05% significant, ** = 0.01% significant, *** = 0.001% significant, − = no information, AD Days to 50% anthesis, SD Days to 50% silking, ASI Anthesis-silking interval, PH Plant height, EH Ear height, EPO Ear position and GY Grain yield