. 2016 Apr 14;7:501. doi: 10.3389/fpls.2016.00501

Table 1.

Progeny of heat primed plants showed better physiological performance than that of non-primed plants under high-temperature stress during grain filling.

Measurements	Treatments			Fold change
	NC	NH	PH	PC	PH/NH
Photosynthesis related parameters
Chla (mg g^-1 fresh weight)	4.1^a	2.4^b	3.7^a	4.0^a	1.5
Car (mg g^-1 fresh weight)	0.72^a	0.53^b	0.61^ab	0.69^a	1.2
V_max (μmol m^-2 s^-1)	99.0^a	85.5^b	89.0^ab	97.1^a	1.0
J_max (μmol m^-2 s^-1)	123.1^a	97.5^b	128.5^a	125.4^a	1.3
A_sat (μmol CO₂ m^-2 s^-1)	32^a	26^b	34^a	32^a	1.3
Remobilization amount of pre-anthesis stored dry matter (RAP)
Leaf RAP (mg stem^-1)	247.7^a	219.3^b	243.2^a	241.0^ab	1.1
Stem RAP (mg stem^-1)	229.3^a	198.7^b	210.0^b	231.1^a	1.1
Hull and rachis RAP (mg stem^-1)	56.3^a	41.0^b	46.7^b	54.7^a	1.1
Grain yield
Kernels per spike	34.4^a	31.5^a	31.3^a	32.9^a	1.0
Thousand grain weight (g)	33.7^a	28.3^b	32.9^a	33.7^a	1.2
Yield (g/pot)	8.1^a	5.7^b	7.2^a	7.4^a	1.3

Chla, chlorophyll concentration; Car, carotenoid concentration; RAP, V_max, maximum carboxylation velocity of Rubisco; J_max, maximum photosynthetic electron transport rate, A_sat, saturated net photosynthesis.

Different small letters within a row mean significant difference (P < 0.05).