Bidens pilosa L. Var. Minor (BI.) Sherff
Bidens pilosa L. Var. Minor (BI.) Sherff
Sinonym : Bidens sundaica BI
Vernacular names :
Black Jack, Spanishneedles, Beggar ticks, Cobbler's pegs, Ajeran, Hareuga, Jaringan, Ketul
Origin : South Africa
Distribution : Pantropical, Before 1835 (Weed of Rice In Indonesia) already naturalized in Java. Has spread everywhere, except Kalimantan anf the Moluccas.
Ecology :
A very common weed, preferring moisture soil.
Flower all the year round.
In one week after shedding, 35-60% of the seed germinate.
Seed stored for 3-5 years showed 80% germination.
There can be up to 4 generations a year.⚘๐ฑ๐ผ
Propagation and dispersal : Achenes, exoepizoochorous๐ฑ๐ Agricultural importance :
Weed of 31 crops in more than 40 countries, including Indonesia, South America and East Africa are the most infested.
When herbicides have eradicated perennial grasses, this weed often become dominant.๐ช๐ช Control : Paraquat, 2.4 D
Leaves are a famine food in Africa, but have a very low nutrient value. Dried buds in alcohol are said to be remedy against toothache.๐จ๐พ๐จ๐พ๐ฉ๐พ๐ฉ๐พ
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| Bidens pilosa L. Var. Minor (BI.) Sherff |
Vernacular names :
Black Jack, Spanishneedles, Beggar ticks, Cobbler's pegs, Ajeran, Hareuga, Jaringan, Ketul
Origin : South Africa
Distribution : Pantropical, Before 1835 (Weed of Rice In Indonesia) already naturalized in Java. Has spread everywhere, except Kalimantan anf the Moluccas.
 |
| Bidens pilosa L. Var. Minor (BI.) Sherff |
A very common weed, preferring moisture soil.
Flower all the year round.
In one week after shedding, 35-60% of the seed germinate.
Seed stored for 3-5 years showed 80% germination.
There can be up to 4 generations a year.⚘๐ฑ๐ผ
 |
| Bidens pilosa L. Var. Minor (BI.) Sherff |
Propagation and dispersal : Achenes, exoepizoochorous๐ฑ๐ Agricultural importance :
Weed of 31 crops in more than 40 countries, including Indonesia, South America and East Africa are the most infested.
When herbicides have eradicated perennial grasses, this weed often become dominant.๐ช๐ช Control : Paraquat, 2.4 D
Leaves are a famine food in Africa, but have a very low nutrient value. Dried buds in alcohol are said to be remedy against toothache.๐จ๐พ๐จ๐พ๐ฉ๐พ๐ฉ๐พ
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| Bidens pilosa L. Var. Minor (BI.) Sherff |
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| Bidens pilosa L. Var. Minor (BI.) Sherff |
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| Bidens pilosa L. Var. Minor (BI.) Sherff |
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| Bidens pilosa L. Var. Minor (BI.) Sherff |
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| Bidens pilosa L. Var. Minor (BI.) Sherff |
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| Bidens pilosa L. Var. Minor (BI.) Sherff |
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| Bidens pilosa L. Var. Minor (BI.) Sherff |
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