Identification and mapping of stable QTL with main and epistasis effect on rice grain yield under upland drought stress

Table 8 **Effect of QTL classes on grain yield and DTF under upland conditions over 2 years of screening in Kali Aus/2*IR64 population**

QTL	Trial	QTL (+)	QTL (−)	IR64	Yield improvement (%)
qDTY _1.3	2012 DS RS	576	377	495	16
	2013 DS RS	395	350	335	18
qDTY _2.1	2012 DS RS	526	434	495	06
	2013 DS RS	381	337	335	14
qDTY_1.3 + qDTY_2.1	2012 DS RS	591	430	495	19
	2013 DS RS	406	346	335	21
qDTY_1.3+ qDTY_2.1 + qDTY_2.3	2012 DS RS	607	315	495	22
	2013 DS RS	419	308	335	25

2012 DS RS: 2012 dry season reproductive stress, 2013 DS RS: 2013 dry season reproductive stress.
QTL (+): genotypes possessing QTL donor allele for grain yield under reproductive stress.
QTL (−): genotypes not possessing QTL donor allele for grain yield under reproductive stress.

ISSN: 2730-6844