Biodiv Sci ›› 2008, Vol. 16 ›› Issue (1): 8-14. DOI: 10.3724/SP.J.1003.2008.07094
• Original article • Previous Articles Next Articles
Received:
2007-03-26
Accepted:
2007-07-06
Online:
2008-01-27
Published:
2008-01-27
Contact:
Sheng Qiang
Ranling Zuo, Sheng Qiang. Species and dynamics of floating weed seeds in paddy field[J]. Biodiv Sci, 2008, 16(1): 8-14.
杂草种类 Weed species | 平均密度 MD(inds./m2) | 相对密度 RD (%) | 相对频度 RF (%) | 相对优势度 RA (%) | |
---|---|---|---|---|---|
水稻种植前 Before transplanting | |||||
| 菵草 Beckmannia syzigachne | 18.22 | 21.52 | 9.68 | 15.60 |
看麦娘 Alopecurus aequalis | 13.89 | 16.40 | 9.68 | 13.04 | |
日本看麦娘 A. japonicus | 12.00 | 14.17 | 9.68 | 11.93 | |
萹蓄 Polygonum aviculare | 1.80 | 2.10 | 5.38 | 3.74 | |
齿果酸模 Rumex dentatus | 2.00 | 2.36 | 5.38 | 3.87 | |
酸模叶蓼 Polygonum lapathifolium | 1.00 | 1.18 | 5.38 | 3.28 | |
茴茴蒜 Ranunculus chinensis | 5.33 | 6.30 | 8.60 | 7.45 | |
泽珍珠菜 Lysimachia candida | 5.00 | 5.91 | 9.68 | 7.80 | |
碎米荠 Cardamine hirsuta | 4.78 | 5.64 | 8.60 | 7.12 | |
荔枝草 Salvia plebeia | 2.00 | 2.36 | 7.53 | 4.95 | |
泥胡菜 Hemistepta lyrata | 1.00 | 1.18 | 4.30 | 2.74 | |
稻槎菜 Lapsana apogonoides | 5.67 | 6.69 | 8.60 | 7.65 | |
南苜蓿 Medicago hispida | 1.00 | 1.18 | 3.22 | 2.20 | |
朝天委陵菜 Potentilla supina | 3.00 | 3.54 | 7.53 | 5.54 | |
通泉草 Mazus japonicus | 8.00 | 9.45 | 9.68 | 9.57 | |
水稻生长后期 At late stage of rice growth | |||||
| 稗 Echinochloa crusgalli | 8.00 | 16.33 | 13.43 | 14.88 |
千金子 Leptochloa chinensis | 6.00 | 12.25 | 11.94 | 12.10 | |
鸭舌草 Monochoria vaginalis | 10.00 | 20.41 | 13.43 | 16.92 | |
陌上菜 Lindernia procumbens | 9.00 | 18.37 | 13.43 | 15.90 | |
丁香蓼 Ludwigia prostrata | 4.00 | 8.16 | 13.43 | 10.80 | |
异型莎草 Cyperus difformis | 4.00 | 8.16 | 11.94 | 10.05 | |
节节菜 Rotala indica | 4.00 | 8.16 | 11.94 | 10.05 | |
莲子草 Alternanthera sessilis | 2.00 | 4.08 | 11.94 | 8.01 | |
鳢肠 Eclipta prostrata | 4.00 | 8.16 | 10.45 | 9.31 |
Table 1 Characteristics of weed community in the fields
杂草种类 Weed species | 平均密度 MD(inds./m2) | 相对密度 RD (%) | 相对频度 RF (%) | 相对优势度 RA (%) | |
---|---|---|---|---|---|
水稻种植前 Before transplanting | |||||
| 菵草 Beckmannia syzigachne | 18.22 | 21.52 | 9.68 | 15.60 |
看麦娘 Alopecurus aequalis | 13.89 | 16.40 | 9.68 | 13.04 | |
日本看麦娘 A. japonicus | 12.00 | 14.17 | 9.68 | 11.93 | |
萹蓄 Polygonum aviculare | 1.80 | 2.10 | 5.38 | 3.74 | |
齿果酸模 Rumex dentatus | 2.00 | 2.36 | 5.38 | 3.87 | |
酸模叶蓼 Polygonum lapathifolium | 1.00 | 1.18 | 5.38 | 3.28 | |
茴茴蒜 Ranunculus chinensis | 5.33 | 6.30 | 8.60 | 7.45 | |
泽珍珠菜 Lysimachia candida | 5.00 | 5.91 | 9.68 | 7.80 | |
碎米荠 Cardamine hirsuta | 4.78 | 5.64 | 8.60 | 7.12 | |
荔枝草 Salvia plebeia | 2.00 | 2.36 | 7.53 | 4.95 | |
泥胡菜 Hemistepta lyrata | 1.00 | 1.18 | 4.30 | 2.74 | |
稻槎菜 Lapsana apogonoides | 5.67 | 6.69 | 8.60 | 7.65 | |
南苜蓿 Medicago hispida | 1.00 | 1.18 | 3.22 | 2.20 | |
朝天委陵菜 Potentilla supina | 3.00 | 3.54 | 7.53 | 5.54 | |
通泉草 Mazus japonicus | 8.00 | 9.45 | 9.68 | 9.57 | |
水稻生长后期 At late stage of rice growth | |||||
| 稗 Echinochloa crusgalli | 8.00 | 16.33 | 13.43 | 14.88 |
千金子 Leptochloa chinensis | 6.00 | 12.25 | 11.94 | 12.10 | |
鸭舌草 Monochoria vaginalis | 10.00 | 20.41 | 13.43 | 16.92 | |
陌上菜 Lindernia procumbens | 9.00 | 18.37 | 13.43 | 15.90 | |
丁香蓼 Ludwigia prostrata | 4.00 | 8.16 | 13.43 | 10.80 | |
异型莎草 Cyperus difformis | 4.00 | 8.16 | 11.94 | 10.05 | |
节节菜 Rotala indica | 4.00 | 8.16 | 11.94 | 10.05 | |
莲子草 Alternanthera sessilis | 2.00 | 4.08 | 11.94 | 8.01 | |
鳢肠 Eclipta prostrata | 4.00 | 8.16 | 10.45 | 9.31 |
杂草种类 Weed species | 平均密度 MD(seeds/m2) | 相对密度 RD(%) | 相对频度 RF(%) | 相对优势度 RA(%) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
田中间Middle | 田埂附近Edge | 田中间Middle | 田埂附近Edge | 田中间Middle | 田埂附近Edge | 田中间Middle | 田埂附近Edge | ||||
菵草 Beckmannia syzigachne # | 1,357.68 | 3,240.08* | 76.79 | 87.30 | 6.96 | 5.33 | 41.88 | 46.32 | |||
稗 Echinochloa crusgalli # | 9.88 | 16.25* | 0.56 | 0.44 | 3.48 | 5.33* | 2.02 | 2.89* | |||
看麦娘 Alopecurus aequalis # | 18.38 | 25.50* | 1.04 | 0.69 | 4.35 | 5.33 | 2.70 | 3.01 | |||
日本看麦娘 A. japonicus # | 4.38 | 10.38* | 0.25 | 0.28* | 3.48 | 5.33* | 1.87 | 2.81* | |||
齿果酸模 Rumex dentatus # | 28.50 | 57.13* | 1.61 | 1.54 | 6.96 | 5.33 | 4.29 | 3.44 | |||
羊蹄 R. japonicus | 0.00 | 2.88* | 0.00 | 0.08* | 0.00 | 3.33* | 0.00 | 1.71* | |||
酸模叶蓼 Polygonum lapathifolium# | 3.50 | 10.75* | 0.20 | 0.29 | 4.35 | 4.00 | 2.28 | 2.15 | |||
小藜 Chenopodium serotinum | 11.38 | 17.75* | 0.64 | 0.48 | 5.22 | 5.33 | 2.93 | 2.91 | |||
节节菜 Rotala indica # | 4.75* | 0.50 | 0.27 | 0.01 | 2.61 | 1.33 | 1.44 | 0.67 | |||
通泉草 Mazus japonicus # | 6.25 | 4.00 | 0.35 | 0.11 | 3.48 | 3.33 | 1.92 | 1.72 | |||
碎米荠 Cardamine hirsuta# | 3.63 | 4.75 | 0.21 | 0.13 | 6.96 | 5.33 | 3.59 | 2.73 | |||
泽珍珠菜 Lysimachia candida # | 161.50* | 70.88 | 9.14 | 1.90 | 5.22* | 5.33 | 7.18 | 3.62 | |||
异型莎草 Cyperus difformis # | 12.88 | 12.00 | 0.73 | 0.32 | 4.35 | 5.33 | 2.54 | 2.83 | |||
旋鳞莎草 C. michelianus | 1.25 | 0.13 | 0.07 | 0.00 | 2.61 | 0.67 | 1.34 | 0.34 | |||
蛇床 Cnidium monnieri | 25.25 | 31.88 | 1.43 | 0.86 | 4.35 | 5.33 | 2.89 | 3.10 | |||
鳢肠 Eclipta prostrata# | 20.25 | 34.75* | 1.15 | 0.94 | 6.96 | 5.33 | 4.06 | 3.14 | |||
稻槎菜 Lapsana apogonoides # | 2.38 | 5.13 | 0.13 | 0.14 | 2.61 | 3.33 | 1.37 | 1.74 | |||
剪刀股 Ixeris debilis | 3.63 | 5.50 | 0.21 | 0.15 | 3.48 | 2.00 | 1.85 | 1.08 | |||
茴茴蒜 Ranunculus chinensis # | 80.25 | 145.00* | 4.54 | 3.91 | 5.22 | 5.33 | 4.88 | 4.62 | |||
朝天委陵菜 Potentilla supina# | 1.50 | 0.13 | 0.08 | 0.00 | 3.48 | 0.67 | 1.78 | 0.34 | |||
波斯婆婆纳 Veronica persica | 1.13* | 0.13 | 0.06 | 0.00 | 1.74 | 0.67 | 0.90 | 0.34 | |||
铁苋菜 Acalypha australis | 0.75 | 1.13 | 0.04 | 0.03 | 2.61 | 2.00 | 1.33 | 1.02 | |||
鸭舌草 Monochoria vaginalis # | 4.00 | 10.13* | 0.23 | 0.27 | 4.35 | 4.00 | 2.29 | 2.14 | |||
莲子草 Alternathera sessilis # | 4.88* | 1.25 | 0.28 | 0.03 | 5.22 | 4.00 | 2.75 | 2.02 | |||
牛膝 Achyranthes bidentata | 0.00 | 2.13* | 0.10* | 0.06 | 0.00 | 4.67* | 0.05 | 2.37* | |||
丁香蓼 Ludwigia prostrata# | 0.00 | 1.25* | 0.00 | 0.03 | 0.00 | 2.00 | 0.00 | 1.02 |
Table 2 Community characteristics of weed seeds floating in paddy field
杂草种类 Weed species | 平均密度 MD(seeds/m2) | 相对密度 RD(%) | 相对频度 RF(%) | 相对优势度 RA(%) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
田中间Middle | 田埂附近Edge | 田中间Middle | 田埂附近Edge | 田中间Middle | 田埂附近Edge | 田中间Middle | 田埂附近Edge | ||||
菵草 Beckmannia syzigachne # | 1,357.68 | 3,240.08* | 76.79 | 87.30 | 6.96 | 5.33 | 41.88 | 46.32 | |||
稗 Echinochloa crusgalli # | 9.88 | 16.25* | 0.56 | 0.44 | 3.48 | 5.33* | 2.02 | 2.89* | |||
看麦娘 Alopecurus aequalis # | 18.38 | 25.50* | 1.04 | 0.69 | 4.35 | 5.33 | 2.70 | 3.01 | |||
日本看麦娘 A. japonicus # | 4.38 | 10.38* | 0.25 | 0.28* | 3.48 | 5.33* | 1.87 | 2.81* | |||
齿果酸模 Rumex dentatus # | 28.50 | 57.13* | 1.61 | 1.54 | 6.96 | 5.33 | 4.29 | 3.44 | |||
羊蹄 R. japonicus | 0.00 | 2.88* | 0.00 | 0.08* | 0.00 | 3.33* | 0.00 | 1.71* | |||
酸模叶蓼 Polygonum lapathifolium# | 3.50 | 10.75* | 0.20 | 0.29 | 4.35 | 4.00 | 2.28 | 2.15 | |||
小藜 Chenopodium serotinum | 11.38 | 17.75* | 0.64 | 0.48 | 5.22 | 5.33 | 2.93 | 2.91 | |||
节节菜 Rotala indica # | 4.75* | 0.50 | 0.27 | 0.01 | 2.61 | 1.33 | 1.44 | 0.67 | |||
通泉草 Mazus japonicus # | 6.25 | 4.00 | 0.35 | 0.11 | 3.48 | 3.33 | 1.92 | 1.72 | |||
碎米荠 Cardamine hirsuta# | 3.63 | 4.75 | 0.21 | 0.13 | 6.96 | 5.33 | 3.59 | 2.73 | |||
泽珍珠菜 Lysimachia candida # | 161.50* | 70.88 | 9.14 | 1.90 | 5.22* | 5.33 | 7.18 | 3.62 | |||
异型莎草 Cyperus difformis # | 12.88 | 12.00 | 0.73 | 0.32 | 4.35 | 5.33 | 2.54 | 2.83 | |||
旋鳞莎草 C. michelianus | 1.25 | 0.13 | 0.07 | 0.00 | 2.61 | 0.67 | 1.34 | 0.34 | |||
蛇床 Cnidium monnieri | 25.25 | 31.88 | 1.43 | 0.86 | 4.35 | 5.33 | 2.89 | 3.10 | |||
鳢肠 Eclipta prostrata# | 20.25 | 34.75* | 1.15 | 0.94 | 6.96 | 5.33 | 4.06 | 3.14 | |||
稻槎菜 Lapsana apogonoides # | 2.38 | 5.13 | 0.13 | 0.14 | 2.61 | 3.33 | 1.37 | 1.74 | |||
剪刀股 Ixeris debilis | 3.63 | 5.50 | 0.21 | 0.15 | 3.48 | 2.00 | 1.85 | 1.08 | |||
茴茴蒜 Ranunculus chinensis # | 80.25 | 145.00* | 4.54 | 3.91 | 5.22 | 5.33 | 4.88 | 4.62 | |||
朝天委陵菜 Potentilla supina# | 1.50 | 0.13 | 0.08 | 0.00 | 3.48 | 0.67 | 1.78 | 0.34 | |||
波斯婆婆纳 Veronica persica | 1.13* | 0.13 | 0.06 | 0.00 | 1.74 | 0.67 | 0.90 | 0.34 | |||
铁苋菜 Acalypha australis | 0.75 | 1.13 | 0.04 | 0.03 | 2.61 | 2.00 | 1.33 | 1.02 | |||
鸭舌草 Monochoria vaginalis # | 4.00 | 10.13* | 0.23 | 0.27 | 4.35 | 4.00 | 2.29 | 2.14 | |||
莲子草 Alternathera sessilis # | 4.88* | 1.25 | 0.28 | 0.03 | 5.22 | 4.00 | 2.75 | 2.02 | |||
牛膝 Achyranthes bidentata | 0.00 | 2.13* | 0.10* | 0.06 | 0.00 | 4.67* | 0.05 | 2.37* | |||
丁香蓼 Ludwigia prostrata# | 0.00 | 1.25* | 0.00 | 0.03 | 0.00 | 2.00 | 0.00 | 1.02 |
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