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11. Studies on the Effect of Maleic Hydrazide on Root Tip Cells and Pollen Fertility in Trigonella foenum-graecum L

Author

JABEE, Farha, ANSARI, Mohammad Yunus K., and SHAHAB, Danish

Subjects
Cytotoxicity,Fenugreek,Maleic Hydrazide (MH),Mitotic Index (MI), food and beverages
Abstract

In the present investigation, the effect of maleic hydrazide (MH) has been studied on seed germination, mitosis, and pollen fertility of Trigonella foenum-graecum L. to test its cytotoxicity. Six different concentrations (0.01%, 0.02%, 0.03% 0.04%, 0.05%, and 0.06%) of maleic hydrazide (MH) were given at seed level. The abnormalities noticed were both physiological and clastogenic. Fragments, stickiness of chromosomes, univalents, multivalents, and anaphase bridges were the most frequent abnormalities. The decrease in seed germination and pollen fertility was found significant at 0.05 level. Mitotic index reduced gradually as the concentrations of Maleic Hydrazide increased and it was found significant at 0.01 and 0.05 levels.

Published
2014

14. Studies on the Effect of Maleic Hydrazide on Root Tip Cells and Pollen Fertility in Trigonella foenum-graecum L.

Author

Jabee, Farha, Ansari, Mohammad Yunus K., and Shahab, Danish

Subjects
PLANT embryology, MALEIC hydrazide, PLANT cells & tissues, POLLINATION, GERMINATION, PLANT physiology
Abstract

In the present investigation, the effect of maleic hydrazide (MH) has been studied on seed germination, mitosis, and pollen fertility of Trigonella foenum-graecum L. to test its cytotoxicity. Six different concentrations (0.01%, 0.02%, 0.03% 0.04%, 0.05%, and 0.06%) of maleic hydrazide (MH) were given at seed level. The abnormalities noticed were both physiological and clastogenic. Fragments, stickiness of chromosomes, univalents, multivalents, and anaphase bridges were the most frequent abnormalities. The decrease in seed germination and pollen fertility was found significant at 0.05 level. Mitotic index reduced gradually as the concentrations of Maleic Hydrazide increased and it was found significant at 0.01 and 0.05 levels. [ABSTRACT FROM AUTHOR]

Published
2008

15. Musical Tinnitus After Cochlear Implantation.

Author

SHAHAB, DANISH, KLODD, DAVID A., and SAADIA-REDLEAF, MIRIAM I.

Subjects
AGE factors in disease, COCHLEAR implants, SEIZURES (Medicine), MUSIC, SINGING, SOUND recordings, SPASMS, TINNITUS
Abstract

The article presents a case study and strategies for mitigating musical tinnitus. It is stated that musical tinnitus is the awareness of an autonomous self-perpetuating musical piece or fragment that a patient recognizes as internal and progresses to obnoxious repetitiveness. For a 56-year-old woman with a musical history, tinnitus was reported after deterioration of sensorineural hearing but not after cochlear implantation. As medication, donepezil and meclobemide may have helped in the past.

Published
2013

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