Figures (3)  Tables (8)
    • Figure 2. 

      Effects of different fertilization schemes on the quality of ‘Sorbonne’ cut flowers. From left to right, plant height, buds, roots and flowers at different developmental stages. A2B3 (Yangfeng nitrate nitrogen compound fertilizer 2 g/plant, YaraMila Compound fertilizer 2 g/plant); A3B4 (fertilizer 4 g/plant, Nopfon macroelement water soluble fertilizer 0.4 g/plant as topdressing). DAP (days after planting).

    • Figure 1. 

      Effects of different fertilization schemes on the quality of 'Conca d’Or' cut flowers. From left to right, plant height, buds, roots and flowers at different developmental stages. A1B3 (none basal fertilizer, YaraMila compound fertilizer 2 g/plant as topdressing); A3B1 (compound fertilizer 4 g/plant as basal fertilizer, none topdressing). DAP (days after planting).

    • Figure 3. 

      Effects of different fertilization schemes on the quality of ‘Siberia’ cut flowers. A2B1 (Yangfeng nitrate nitrogen compound fertilizer 2 g/plant, none topdressing); A4B3 (Yangfeng nitrate nitrogen compound fertilizer 6 g/plant, YaraMila compound fertilizer 2 g/plant as topdressing). DAP (days after planting).

    • Stage IStage II
      Basal fertilizerApplication amountTop dressingApplication amount
      A1B1
      A2Yangfeng nitrate nitrogen compound fertilizer 2 g/plantB2Yangfeng nitrate nitrogen compound fertilizer 2 g/plant
      A3Yangfeng nitrate nitrogen compound fertilizer 4 g/plant (commonly used in production)B3YaraMila Compound fertilizer 2 g/plant
      A4Yangfeng nitrate nitrogen compound fertilizer 6 g/plantB4Nopfon macroelement water soluble fertilizer 0.4 g/plant
      Yangfeng (Hubei Yangfeng Fertilizer Industry Co) N:P:K = 15:15:15; YaraMila N:P:K = 15:15:15, NO3-N 7.5%, NH4-N 7.5%, P2O5 15%, K2O 15%, S 5.1%; Nopfon N:P:K = 19:19:19, N 15%, P2O5 15%, K2O 15%.

      Table 1. 

      Design of manuring.

    • CultivarTreatmentGermination rate on
      March 25/cm
      Germination rate on
      March 28/cm
      Germination rate on
      April 1/cm
      Conca d'OrA10.5 ± 0.09 a0.9 ± 0.03 a0.97 ± 0.03 a
      A20.4 ± 0.06 a0.9 ± 0.02 a0.99 ± 0.01 a
      A30.16 ± 0.1 b0.68 ± 0.06 b0.86 ± 0.05 b
      A40.05 ± 0.04 b0.36 ± 0.1 c0.81 ± 0.09 b
      SorbonneA10.04 ± 0.05 a0.32 ± 0.05 a0.8 ± 0.08 a
      A20.04 ± 0.01 a0.39 ± 0.08 a0.81 ± 0.09 a
      A30.05 ± 0.03 a0.38 ± 0.09 a0.76 ± 0.05 a
      A40.04 ± 0.03 a0.38 ± 0.11 a0.83 ± 0.07 a
      SiberiaA10.75 ± 0.02 a0.97 ± 0.03 a0.99 ± 0.01 a
      A20.48 ± 0.13 b0.92 ± 0.08 a1 ± 0 a
      A30.33 ± 0.11 c0.9 ± 0.07 a0.99 ± 0.01 a
      A40.24 ± 0.07 c0.77 ± 0.07 b0.98 ± 0.01 a
      Lower case letters represent significant differences at P < 0.05.
      A1 (No base fertilizer); A2 (Yangfeng nitrate nitrogen compound fertilizer 2 g/plant); A3 (Yangfeng nitrate nitrogen compound fertilizer 4 g/plant); A4 (Yangfeng nitrate nitrogen compound fertilizer 6 g/plant).

      Table 2. 

      Germination rate of each cultivar.

    • CultivarTreatmentPlant height on
      March 2/cm
      Plant height on
      March 31/cm
      Plant height on
      April 7/cm
      Plant height on
      April 14/cm
      Plant height on
      April 28/cm
      Conca d’OrA10.73 ± 0.09 a8.28 ± 0.82 a19.24 ± 1.29 a34.56 ± 1.35 a62.89 ± 1.77 a
      A20.41 ± 0.15 b6.38 ± 0.26 b17.85 ± 0.43 a31.89 ± 0.9 b59.44 ± 1.9 b
      A30.18 ± 0.14 c4.03 ± 0.58 c13.54 ± 1.1 b28.74 ± 0.91 c53.19 ± 0.94 c
      A40.06 ± 0.04 c3.35 ± 0.62 c11.66 ± 0.95 c29.15 ± 1.67 c55.66 ± 1.83 c
      SorbonneA10.02 ± 0.03 a2.03 ± 0.16 a6.99 ± 0.3 a16.98 ± 0.76 b46.94 ± 0.52 a
      A20.02 ± 0.03 a2.41 ± 0.56 a7.63 ± 0.98 a19.26 ± 0.97 a49.33 ± 1.5 a
      A30.06 ± 0.05 a2.03 ± 0.27 a6.97 ± 0.58 a17.19 ± 0.81 b43.95 ± 1.44 b
      A40.02 ± 0.01 a2.1 ± 0.46 a7.23 ± 0.93 a19.93 ± 1.95 a47.32 ± 2.23 a
      SiberiaA11.18 ± 0.23 a9.11 ± 0.55 a19.7 ± 0.91 a33.01 ± 1.29 a61.93 ± 1.63 ab
      A20.54 ± 0.15 b8.34 ± 0.42 a17.8 ± 0.54 b31.8 ± 0.94 ab63.59 ± 2.28 a
      A30.61 ± 0.3 b6.32 ± 0.7 b16.34 ± 0.98 c29.68 ± 1.42 c59.04 ± 3.14 b
      A40.29 ± 0.13 b6.46 ± 0.43 b15.82 ± 1.08 c30.53 ± 1.29 bc58.99 ± 1.5 b
      Lower case letters represent significant differences at P < 0.05. Refer to Table 2 for abbreviations.

      Table 3. 

      Plant height of each cultivar.

    • TreatmentConca d’OrSorbonneSiberia
      BuddingBudding rateBuddingBudding rateBuddingBudding rate
      A16133.52%15079.37%11559.9%
      A213571.81%15280.85%13972.4%
      A312667.02%14180.11%13670.8%
      A42613.76%15380.53%11559.9%
      Refer to Table 2 for abbreviations.

      Table 4. 

      The budding rate of different basal fertilizer treatments.

    • TreatmentDisease incidenceAphid incidence
      Conca d’OrSorbonneSiberiaConca d’OrSorbonneSiberia
      A11.04%1.56%44.51%2.12%55.73%
      A21.56%2.08%8.51%3.72%45.31%
      A32.08%8.33%3.19%0.57%7.81%
      A41.04%1.04%5.29%0%40.1%
      Refer to Table 2 for abbreviations.

      Table 5. 

      Disease and aphid incidence of different basal fertilizer treatments.

    • TreatmentPlant height (cm)Average number of buds
      per plant
      Bud size
      First bud length (cm)First flower diameter (cm)
      A1B173.7 ± 0.92 cde1.69 ± 0.19 ab10.75 ± 0.45 abcd30.56 ± 1.4 abc
      A1B276.33 ± 1.42 abc1.53 ± 0.17 ab9.6 ± 0.1 fg29.55 ± 1.4 abcd
      A1B377.38 ± 0.39 ab1.47 ± 0.16 ab11.63 ± 0.2 a31.57 ± 1.19 ab
      A1B478.23 ± 1.74 a1.54 ± 0.27 ab9.83 ± 0.25 defg26.38 ± 0.46 de
      A2B170.07 ± 1.29 fg1.66 ± 0.13 ab11.17 ± 0.95 abc30.62 ± 2.77 abc
      A2B270.7 ± 2.85 efg1.66 ± 0.13 ab10 ± 0.87 defg27.8 ± 1.47 cde
      A2B374.53 ± 1.58 bcd1.41 ± 0.06 b9.94 ± 0.5 defg27.05 ± 2.25 de
      A2B473.55 ± 2.94 cdef1.56 ± 0.25 ab9.65 ± 0.05 efg25.59 ± 0.01 efg
      A3B165.98 ± 0.91 h1.63 ± 0.07 ab9.23 ± 0.35 g25.38 ± 3.46 e
      A3B265.18 ± 0.42 h1.63 ± 0.21 ab10.3 ± 0.53 cdef28.33 ± 1.96 bcde
      A3B364.78 ± 4.07 h1.66 ± 0.08 ab9.63 ± 0.06 efg26.84 ± 1.04 de
      A3B465.9 ± 2.38 h1.65 ± 0.08 ab9.75 ± 0.15 defg28.12 ± 0.39 bcde
      A4B170.05 ± 2.9 fg1.56 ± 0.13 ab11.43 ± 0.21 ab32.69 ± 0.63 a
      A4B271.45 ± 2.9 def1.74 ± 0.21 a10.08 ± 0.46 defg28.18 ± 1.44 bcde
      A4B367.93 ± 1.86 gh1.69 ± 0.21 ab10.63 ± 0.87 bcde29.22 ± 2.7 bcd
      A4B472.7 ± 2.38 def1.54 ± 0.22 ab10.4 ± 0.7 cdef29.55 ± 2.13 abcd
      Lower case letters represent significant differences at P < 0.05.
      A1B1 (none base or topdressing); A1B2 (none basal dressing, Yangfeng nitrate nitrogen compound fertilizer 2 g/plant as topdressing); A1B3 (none basal dressing, YaraMila compound fertilizer 2 g/plant as topdressing); A1B4 (none basal dressing, Nopfon macroelement water soluble fertilizer 0.4 g/plant as topdressing); A2B1 ( Yangfeng nitrate nitrogen compound fertilizer 2 g/plant, none topdressing); A2B2 (Yangfeng nitrate nitrogen compound fertilizer 2 g/plant, Yangfeng nitrate nitrogen compound fertilizer 2 g/plant as topdressing); A2B3 (Yangfeng nitrate nitrogen compound fertilizer 2 g/plant, YaraMila compound fertilizer 2 g/plant); A2B4 (Yangfeng nitrate nitrogen compound fertilizer 2 g/plant, Nopfon macroelement water soluble fertilizer 0.4 g/plant as topdressing); A3B1 (fertilizer 4 g/plant, none topdressing); A3B2(compound fertilizer 4g/plant as basal fertilizer, Yangfeng nitrate nitrogen compound fertilizer 2 g/plant as topdressing); A3B3 (compound fertilizer 4 g/plant as basal fertilizer, YaraMila compound fertilizer 2 g/plant as topdressing); A3B4 (compound fertilizer 4 g/plant as basal fertilizer, Nopfon macroelement water soluble fertilizer 0.4 g/plant as topdressing); A4B1 (Yangfeng nitrate nitrogen compound fertilizer 6 g/plant as basal fertilizer, none topdressing as topdressing); A4B2 (Yangfeng nitrate nitrogen compound fertilizer 6 g/plant as basal fertilizer, Yangfeng nitrate nitrogen compound fertilizer 2 g/plant as topdressing); A4B3 (Yangfeng nitrate nitrogen compound fertilizer 6 g/plant as basal fertilizer, YaraMila compound fertilizer 2 g/plant as topdressing); A4B4 (Yangfeng nitrate nitrogen compound fertilizer 6 g/plant as basal fertilizer, Nopfon macroelement water soluble fertilizer 0.4 g/plant as topdressing).

      Table 6. 

      Effects of different fertilization schemes on the quality of 'Conca d'Or' cut flowers.

    • TreatmentPlant height/cmAverage number of
      flowers per plant
      Flower size
      First bud length/cmFirst flower diameter/cm
      A1B168.93 ± 2.23 cd4.97 ± 0.23 cdef9.52 ± 0.14 ab24.46 ± 0.36 abc
      A1B268.83 ± 1.64 cd4.76 ± 0.29 ef9.25 ± 0.05 ab23.16 ± 2.83 bc
      A1B368.95 ± 3.03 cd4.56 ± 0.41 f10 ± 0.56 ab23.18 ± 1.46 bc
      A1B468.88 ± 2.33 cd5.19 ± 0.46 bcde9.24 ± 0.47 ab23.24 ± 0.58 bc
      A2B168.88 ± 4.18 cd5.39 ± 0.16 abcd9.3 ± 0.62 ab24.9 ± 1.71 abc
      A2B268.65 ± 3.13 cd5.43 ± 0.33 abcd8.93 ± 0.32 b26.54 ± 1.96 a
      A2B373.42 ± 1.66 ab5.79 ± 0.17 a9.42 ± 0.45 ab26.2 ± 0.9 ab
      A2B474.05 ± 4.21 a5.48 ± 0.22 abc9.13 ± 0.21 ab24.81 ± 1.13 abc
      A3B163.76 ± 3.58 ef5.45 ± 0.17 abcd9.33 ± 0.51 ab25.71 ± 1.85 abc
      A3B265.12 ± 1.93 de5.47 ± 0.19 abcd9.65 ± 1.09 ab27.3 ± 1.26 a
      A3B363.91 ± 1.97 ef5.51 ± 0.22 ab9.18 ± 0.43 ab22.79 ± 2.02 c
      A3B460.45 ± 2.99 f4.98 ± 0.35 cdef9.24 ± 0.92 ab24.51 ± 0.93 abc
      A4B169.58 ± 3.93 bcd5.43 ± 0.19 abcd9.33 ± 0.23 ab26.94 ± 2.15 a
      A4B266.58 ± 0.61 de5.18 ± 0.42 bcde9.72 ± 0.61 ab24.52 ± 0.55 abc
      A4B366.5 ± 1.82 de4.95 ± 0.19 def10.07 ± 0.66 a24.3 ± 1.64 abc
      A4B471.55 ± 1.72 abc5.09 ± 0.54 bcde9.72 ± 0.26 ab24.35 ± 1.44 abc
      Lower case letters represent significant differences at P < 0.05. Refer to Table 6 for abbreviations.

      Table 7. 

      Effects of different fertilization schemes on the quality of 'Sorbonne' cut flowers.

    • TreatmentPlant height/cmAverage number of
      flowers per plant
      Flower size
      First bud length/cmFirst flower diameter/cm
      A1B176.25 ± 2.76 bcd4.29 ± 0.27 ab9.37 ± 0.6 e22.56 ± 0.88 d
      A1B280.9 ± 1.53 ab4.3 ± 0.26 ab10.01 ± 0.27 abcde24.35 ± 1.18 cd
      A1B379.95 ± 1.37 ab3.82 ± 0.35 bcd10.07 ± 0.6 abcde24.83 ± 2.56 abcd
      A1B480.78 ± 3.53 ab3.81 ± 0.54 bcd9.43 ± 0.87 de23.71 ± 2.28 cd
      A2B179.07 ± 5.17 abcd4.53 ± 0.28 a10.26 ± 0.55 abc25.49 ± 1.28 abc
      A2B282.28 ± 4 a4.31 ± 0.3 ab10.06 ± 0.55 abcde25.01 ± 2.28 abcd
      A2B378.78 ± 3.26 abcd4.21 ± 0.09 ab10.28 ± 0.69 abc26.05 ± 2.25 abc
      A2B475.95 ± 2.8 bcd4.11 ± 0.28 ab10.62 ± 0.49 a26.52 ± 1.26 abc
      A3B170.5 ± 3.9 e4.14 ± 0.38 ab10.16 ± 0.55 abcde24.6 ± 1.77 bcd
      A3B270.13 ± 4.67 e3.97 ± 0.39 bc10.63 ± 0.8 a27.49 ± 2.94 a
      A3B375.58 ± 2.69 bcd4.14 ± 0.28 ab10.46 ± 0.5 ab25.89 ± 2.03 abc
      A3B479.35 ± 2.47 abc4.29 ± 0.44 ab9.69 ± 0.24 bcde24.62 ± 1.03 bcd
      A4B173.98 ± 1.06 de3.47 ± 0.27 cd10.36 ± 0.61 ab26.25 ± 1.59 abc
      A4B277.65 ± 2.23 abcd3.58 ± 0.12 cd10.35 ± 0.51 ab27.2 ± 2.13 ab
      A4B374.53 ± 3.41 cde3.41 ± 0.21 d9.52 ± 0.68 cde25.12 ± 2.02 abcd
      A4B476.88 ± 3.37 bcd3.77 ± 0.47 bcd10.2 ± 0.73 abcd26.49 ± 3.3 abc
      Lower case letters represent significant differences at P < 0.05. Refer to Table 6 for abbreviations.

      Table 8. 

      Effects of different fertilization schemes on the quality of 'Siberia' cut flowers.