. 2016 May 10;24(1):180–191. doi: 10.1016/j.sjbs.2016.05.002

Table 6.

The mean ± SD nectar TSS amount (mg/flower) measured at different local times of the day from a single flower of the two Ziziphus spp. growing in Saudi Arabia.

Species	N	1st day				2nd day				Total/flower
Species	N	0600 h	1000 h	1400 h	1800 h	0600 h	1000 h	1500 h	1800 h	Total/flower
Z. nummularia	80	0.06 ± 0.02^e	0.21 ± 0.08^a	0.12 ± 0.08^c	0.15 ± 0.07^b	0.07 ± 0.04^d	0.02 ± 0.01^f	0.01 ± 0.01^g	0.01 ± 0.01^h	0.64 ± 0.04
Z. spina-christi	90	0.06 ± 0.01^c	0.13 ± 0.11^b	0.35 ± 0.32^a	0.16 ± 0.17^b	0.05 ± 0.07^d	0.02 ± 0.03^e	0.02 ± 0.04^e	0.01 ± 0.02^f	0.79 ± 0.10

Values in the same raw which are not connected by same letter are significantly (P < 0.0001) different; One flower was used for repeated measurement. For each species: DF = 7, P < 0.0001.