• 沒有找到結果。

R oot S hoot

表二、插穗貯藏對銀柳扦插繁殖之影響。 (試驗期間: 2010 年 2 月 24 日至 2010 年 5 月 19 日 ) (g ) (g )

T abl e 2. E ff ec st of s tor ag es du ra tion on c ut tin g pr opa ga tion of Sal ix gr ac il is ty la M iq. ( E xp. 2 010 /02/ 24~ 201 0/ 05/ 19) D ur at ion (n o.) (c m ) 100

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple range test.

(g )

F re sh w ei gh t 97

(g ) 100 93 80

S hoot le ng th

D ay s t o sh oot em er ge nc e (da y)

F re sh w ei gh t

S pr ou tin g ( % ) (c m

2)

N ode nu m be r L ea f a re a (n o.)

表三、IBA 粉劑處理對銀柳扦插繁殖之影響。(試驗期間:2010 年 3 月 10 日至 2010 年 4 月 4 日)

Table 3. Effects of IBA treatments on cutting growth of Salix gracilistyla Miq. (Exp.

2010/03/10~2010/04/04)

Treatments

Shoot number

Shoot length

Node number

Leaf area

Shoot

Fresh weight Dry weight

(ppm) (no.) (cm) (no.) (cm2 (g) (g)

control 2.3 bz 4.8 c 8.6 b 61.5 bc 1.59 c 0.26 cd IBA 250 3.1 a 7.5 a 9.8 ab 108.0 a 3.02 a 0.48 a

500 2.2 b 6.9 ab 10.5 a 86.3 ab 2.33 b 0.39 b 1000 1.8 bc 6.6 ab 11.2 a 82.0 b 2.24 b 0.33 bc 2000 1.9 bc 5.6 bc 10.1 ab 71.5 bc 1.91 bc 0.27 cd 4000 1.2 c 5.6 bc 9.7 ab 51.6 c 1.33 c 0.19 d

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple

range test.

表四、IBA 處理對銀柳插穗發根之影響。(試驗期間:2010 年 3 月 10 日至 2010 年 4 月 4 日)

Table 4. Effects of IBA treatments on root growth of Salix gracilistyla Miq. cutting. (Exp.

2010/03/10~2010/04/04)

Treatments

Root number

Root length

Root diameter

Root

Shoot/root DW Fresh

weight

Dry weight

(ppm) (No.) (cm) (mm) (g) (g) (w/w)

control 11.9 cz 3.9 c 0.92 c 0.25 c 0.017 b 14.6 a IBA 250 27.4 bc 7.9 a 0.98 abc 1.03 ab 0.077 a 7.1 b 500 29.8 b 6.8 ab 0.93 bc 0.91 b 0.074 a 6.6 b 1000 32.6 b 6.4 b 1.00 ab 0.95 b 0.071 a 5.4 cb 2000 49.7 a 6.3 b 1.00 ab 1.21 ab 0.078 a 4.2 cd 4000 59.1 a 6.3 b 1.05 a 1.47 a 0.088 a 2.3 d

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple

range test.

表五、NAA 處理對銀柳扦插生長之影響。(試驗期間:2010 年 3 月 10 日至 2010 年 4 月 4 日)

Table 5. Effects of NAA treatments on cutting growth of Salix gracilistyla. Miq. (Exp.

2010/03/10~2010/04/04)

Treatment Shoot number

Shoot length

Node number

Leaf area

Shoot

Dry weight Fresh weight

(ppm) (No.) (cm) (No.) (cm2) (g) (g)

control 2.3 abz 4.8 d 8.6 a 61.5 b 1.59 b 0.26 bc NAA 250 2.5 a 7.8 a 10.5 a 106.4 a 2.83 a 0.44 a

500 2.3 ab 6.7 ab 10.2 a 71.8 ab 1.85 b 0.34 ab 1000 1.9 abc 5.5 bc 9.7 a 66.1 b 1.70 b 0.24 bc 2000 1.4 bc 4.2 bc 8.7 a 42.6 bc 1.10 bc 0.15 cd 4000 1.0 c 1.9 c 6.0 b 14.3 c 0.65 c 0.04 d

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple range

test.

表六、NAA 處理對銀柳插穗發根之影響。(試驗期間:2010 年 3 月 10 日至 2010 年 4 月 4 日)

Table 6. Effects of NAA treatments on root growth of Salix gracilistyla Miq. Cutting. (Exp.

2010/03/10~2010/04/04)

Treatment Root number

Root length

Root diameter

Root Shoot/root Fresh weight Dry weight DW

(ppm) (No.) (cm) (mm) (g) (g) (w/w)

control 11.9 cz 3.9 b 0.92 b 0.22 b 0.017 b 14.6 a NAA 250 34.0 b 8.1 a 1.01 ab 1.38 a 0.089 a 5.0 b 500 33.0 b 8.4 a 1.04 a 1.33 a 0.085 a 5.0 b 1000 54.0 a 6.9 a 1.05 a 1.61 a 0.091 a 2.7 bc 2000 47.3 ab 6.9 a 1.08 a 1.29 a 0.077 a 1.9 c 4000 40.0 ab 4.3 b 1.04 a 0.65 b 0.034 b 0.8 c

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple

range test.

表七、Chlormequat 葉面噴施對銀柳生長之影響。(試驗期間:2007 年 5 月 18 日至 2007 年 12 月 15 日)

Table 7. Effects of foliar spray chlormequat on growth of Salix gracilistyla Miq. (Exp. 2007/05/18

~2007/12/15)

Chlormequat

Branches number

Plant height

Pland span

Branch length

Node number

Internode length

(ppm) (no.) (cm) (cm) (cm) (no.) (cm)

Control 4.7 az 89.4 a 56.0 a 70.9 a 37.1 a 1.9 a 1000 4.0 a 75.4 ab 51.5 a 65.2 ab 35.3 a 1.8 a 2000 5.5 a 71.2 b 52.3 a 53.9 b 33.7 a 1.7 a 3000 5.3 a 62.7 b 51.0 a 52.8 b 34.2 a 1.7 a

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple

range test.

表八、Chlormequat 葉面噴施對銀柳花芽數及花芽大小之影響。(試驗期間:2007 年 5 月 18 日至 2007 年 12 月 15 日)

Table 8.Effects of foliar spray chlormequat on flower bud noumber and size of Salix gracilistyla Miq. (Exp. 2007/05/18~2007/12/15)

Chlormequat

Flower bud number

Flower bud

Length Width Thick

(ppm) (no./shoot) (mm) (mm) (mm)

control 20.8 az 13.9 ab 6.9 a 6.5 a 1000 20.4 a 13.7 b 6.8 a 6.3 a 2000 16.8 a 14.2 ab 7.7 a 7.1 a 3000 17.6 a 14.4 a 7.1 a 6.6 a

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple

range test.

表九、Paclobutrazol 葉面噴施對銀柳生長之影響。(試驗期間:2007 年 5 月 18 日至 2007 年 12 月 15 日)

Table 9. Effects of foliar spray paclobutrazzol on growth of Salix gracilistyla Miq. (Exp.

2007/05/18~2007/12/15)

Paclobutrazol

Branches number

Plant height

Plant span

Branch length

Node number

Internode length

(ppm) (no.) (cm) (cm) (cm) (no.) (cm)

control 4.7 az 89.4 a 56.0 a 70.9 a 37.1 a 1.9 a 50 5.0 a 77.0 ab 60.2 a 61.9 ab 37.6 a 1.7 ab 100 5.0 a 65.5 b 58.2 a 56.2 b 35.1 a 1.6 bc 200 4.3 a 68.7 b 62.5 a 56.7 b 41.2 a 1.5 c 400 5.7 a 63.0 b 57.8 a 54.0 b 35.2 a 1.5 c

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple

range test.

表十、Paclobutrazol 葉面噴施對銀柳花芽數及花芽大小之影響。(試驗期間:2007 年 5 月 18 日至 2007 年 12 月 15 日)

Table 10.Effects of foliar spray paclobutrazol on flower bud number and size of Salix gracilistyla Miq. (Exp. 2007/05/18~2007/12/15)

Paclobutrazol

Flower bud number

Flower bud

Length Width Thick

(ppm) (no./shoot) (mm) (mm) (mm)

Control 20.8 bz 13.9 ab 6.9 a 6.5 a 50 27.3 ab 14.4 a 7.4 a 6.8 a 100 27.7 a 14.0 ab 7.1 a 6.6 a 200 30.1 a 13.8 ab 7.0 a 6.5 a 400 23.5 ab 13.5 b 7.2 a 6.6 a

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple

range test.

表十一、Paclobutrazol 土壤灌注對銀柳生長之影響。(試驗期間:2007 年 5 月 18 日至 2007 年 12 月 15 日)

Table 11. Effects of soil drench paclobutrazzol on growth of Salix gracilistyla Miq. (Exp.

2007/05/18~2007/12/15)

Paclobutrazol

Branches number

Plant height

Plant span

Branch length

Node number

Internode length

(ppm) (no.) (cm) (cm) (cm) (no.) (cm)

control 4.7 az 89.4 a 58.6 a 70.9 a 37.1 a 1.9 a 50 5.5 a 61.4 b 51.0 ab 48.4 b 38.1 a 1.1 b 100 5.7 a 61.8 b 51.5 ab 45.3 bc 38.2 a 1.0 b 200 6.0 a 42.9 c 43.5 b 32.6 c 34.2 a 1.0 b 400 5.3 a 15.1 d 18.5 c 10.0 d 19.2 b 0.5 c

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple

range test.

表十二、Paclobutrazol 土壤灌注對銀柳花芽數及花芽大小之影響。(試驗期間:2007 年 5 月 18 日至 2007 年 12 月 15 日)

Table 12. Effects of soil drench paclobutrazol on flower bud noumber and size of Salix gracilistyla Miq. (Exp. 2007/05/18~2007/12/15)

Paclobutrazol

Flower bud number

Flower bud

Length Width Thick

(ppm) (no./shoot) (mm) (mm) (mm)

control 20.8 bz 13.9 a 6.9 a 6.5 a 50 31.0 a 12.5 b 7.3 a 6.3 a 100 28.9 a 13.6 ab 7.1 a 6.2 a 200 24.6 ab 13.0 ab 7.5 a 6.7 a 400 2.0 c 10.8 c 5.4 b 4.8 b

z Means followed by different letters within columns are significantly different at the 5% level by Duncan's Multiple

range test.

A

B

C

D

圖 1. 銀柳腋芽發育狀況。(A)4 月 27 日取樣 20 節腋芽,此時腋芽仍為營養時 期,頂端分生組織完全被葉原體包覆,腋芽長 2.18 ± 0.10 mm。(B)於 5 月 11 日採樣,已可見半球體的花序原體形成。(C)於 5 月 18 日採樣,雄花序快速隆 起。(D)於 6 月 3 日採樣,花序已佈滿茸毛。

Fig. 1. The development of axillary flower bud of Salix gracilistyla. Miq. (A) Vegetative bud, sample on 27 April, apex completely covered by the leaf pair primodia. (B) dome-shaped floral primordium obvious from sample on 11 May. (C) male inflorescence enlargement from sample on 18 May. (D) inflorescence covered by pubescent from sample on 3 June.

A B

C

E F

D

G

Lp M

Lp

Ip

Bp

M

Br

圖 2. 銀柳腋芽花序發育之石蠟切片觀察。(A)4 月 27 日取樣於 20 節腋芽,此 時腋芽仍為營養時期,頂端分生組織完全被葉原體包覆,腋芽長 2.18 ± 0.10 mm。

(B)於 5 月 3 日採樣,腋芽最上位一對葉原體已略分開。(C)分生組織變得更 寬而帄(D)於 5 月 11 日採樣,已可見半球體的花序原體形成。(E)已開始分 化苞片原體 (F)於 5 月 18 日採樣,雄花序快速隆起,且有雄蕊分生組織的產 生。(G)於 6 月 3 日採樣,花序的苞片上已佈滿茸毛。M = 分生組織,Lp = 葉 原體,Ip = 花序原體,Bp = 苞片原體,Mf = 雄蕊分生組織,Br = 苞片

Fig. 2. Observation on an inflorescence development of Salix gracilistyla using microscopy of paraffin microtome section. (A) Vegetative bud, sample on 27 April, apex completely covered by the leaf pair primodia. (B) Upper lead pair primordial separating a little. (C) Meristems broadened more and flattened sample on 3 May. (D) Dome-shaped inflorescence primordium obvious from sample on 11 May. (E) Bract primordial visible. (F) Male inflorescence enlargement from sample on 18 May. Male flora meristems at the axils of each bract. (G) inflorescence covered by pubescent from sample on 3 June. M = meristems, Lp = leaf primodia, Ip = inflorescence primordium, Bp = Bract primordial, Mf = Male flora meristems, Br = bract

X Data

Node no. of first generative bud

14

Fig. 3. Shoot growth and axillary bud development of Salix gracilistyla Miq.

A

Fig. 4. The development of different node position axillary bud of Salix gracilistyla Miq.

相關文件