## Abstract The effects of the pesticide hexachlorocyclohexane (HCH) on the nitrogen fixing blueβgreen algae __Anabaenopsis raciborskii__ and __Anabaena aphanizomenoides__ commonly found as blooms in fish ponds were studied. These algae were very sensitive to HCH, and a distinct decrease in growth
THe effect of 2,4-dichlorophenoxyacetic acid on growth and nitrogen-fixation of blue-green algaAnabaenopsis Raciborskii
β Scribed by B. Das; P. K. Singh
- Publisher
- Springer
- Year
- 1977
- Tongue
- English
- Weight
- 379 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0090-4341
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## Abstract IAAAbbreviations used: IAA, indoleβ3βacetic acid; NAA, Ξ±βnaphthalene acetic acid; GA, Gibberellic acid; IPA, 3βindole propionic acid; IBA, 3βindole butyric acid; PAA, phenyl acetic acid was found to stimulate growth, nitrogen fixation and pigment synthesis in __Anabaena doliolum__ in a
## Abstract Growth and fixation of nitrogen were retarded in __Anabaena doliolum__ when grown on elemental nitrogen in presence of four different herbicides. The alga was found to be intolerant to these chemicals under nitrogen fixing conditions even in low concentrations. An inhibition of photosyn
## Abstract Sodium azide and thioglycollic acid weakly inhibited nitrogen fixation in different clones of __Cylindrospermum majus__ in continuous cultures. The growth of different clons of __C. majus__ was slightly stimulated by azide and inhibited by thioglycollic acid and nitrosoguanidine. No m