Table 15.

The mean values of essential oil percentage (%) of lovage plants as affected with plant spacing, melatonin concentrations and their combination treatments in two cuts of both seasons.

Treatments	First season		Second season
	1st cut	2nd cut	1st cut	2nd cut
Planting space between plants in row (cm)
15	0.568 ± 0.061 a*	0.455 ± 0.064 a	0.569 ± 0.103 a	0.494 ± 0.073 a
30	0.530 ± 0.070 b	0.413 ± 0.043 b	0.558 ± 0.067 a	0.450 ± 0.07 2b
45	0.374 ± 0.042 c	0.322 ± 0.051 c	0.402 ± 0.039 b	0.352 ± 0.05 2c
Melatonin concentrations (µM)
Without soaking	0.425 ± 0.064 c	0.330 ± 0.051 d	0.419 ± 0.042 c	0.341 ± 0.053 d
0	0.489 ± 0.113 b	0.386 ± 0.061 c	0.509 ± 0.097 b	0.430 ± 0.07 4c
75	0.559 ± 0.096 a	0.447 ± 0.049 a	0.597 ± 0.104 a	0.503 ± 0.080 a
100	0.490 ± 0.102 b	0.425 ± 0.090 b	0.515 ± 0.095 b	0.455 ± 0.06 0b
Interaction
T1	0.488 ± 0.007 e	0.372 ± 0.016 cd	0.415 ± 0.006 f	0.401 ± 0.031 d
T2	0.594 ± 0.038 abc	0.441 ± 0.018 b	0.584 ± 0.011 cd	0.484 ± 0.011 bc
T3	0.629 ± 0.020 a	0.495 ± 0.040 a	0.687 ± 0.013 a	0.578 ± 0.063 a
T4	0.563 ± 0.053 bcd	0.513 ± 0.042 a	0.591 ± 0.010 c	0.510 ± 0.017 bc
T5	0.437 ± 0.028 f	0.353 ± 0.015 de	0.467 ± 0.018 e	0.336 ± 0.006 e
T6	0.524 ± 0.034 de	0.409 ± 0.017 bc	0.562 ± 0.022 d	0.474 ± 0.01 1c
T7	0.611 ± 0.040 ab	0.448 ± 0.022 b	0.639 ± 0.036 b	0.517 ± 0.01 3b
T8	0.549 ± 0.013 cd	0.444 ± 0.190 b	0.565 ± 0.023 cd	0.474 ± 0.01 1c
T9	0.349 ± 0.022 g	0.265 ± 0.011 g	0.374 ± 0.015 g	0.284 ± 0.00 7f
T10	0.349 ± 0.022 g	0.309 ± 0.013 f	0.382 ± 0.020 g	0.332 ± 0.006 e
T11	0.437 ± 0.280 f	0.397 ± 0.016 c	0.464 ± 0.018 e	0.413 ± 0.027 d
T12	0.359 ± 0.007 g	0.316 ± 0.016 ef	0.390 ± 0.003 fg	0.379 ± 0.009 d

^*Means followed by the same letter are not significantly different by the protected LSD, P ≤ 0.05. Data are means value ± SE (n = 3). 1st cut and 2nd cut means the first and second cutts, respectively.