P. Kalavathi , P. Amrutha Lakshmi , T. Pullaiah

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D. Raghu Ramulu , K. Sri Rama Murthy , T. Pullaiah

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T. Anuradha , T. Pullaiah

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The influential role of different factors such as acid scarification, media type, photoperiod, pH and additives on seed germination was investigated. The percentage of seed germination could be increased from 0-2 to 14-16% by subjecting the dry seeds to 30 minute scarification trcatment with conc. H₂SO₄. There seems to be a correlation between seed weight and germination percentage. The germination was better in half strength MS medium supplemented with GA₃ (O.5mg/l). Seeds collected one month before harvesting time and cultured on half strength MS medium with GA, showed 90% germination. However they failed to grow beyond two leaf stage.

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K. Sri Rama Murthy , S. Sandhya Rani , T. Pullaiah

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M. Anuradha , T. Pullaiah

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Various treatment were tried for efficient pod breakage which is a barrier for seed germination. Effective protocol was standardized for in-vitro germination. High per cent of healthy seedlings were obtained by supplementing the media with 0.1 mg/1 BAP. Multiple shoots were recorded when cultured on media fortified with 3 mg/1 BAP.

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D. Raghu Ramulu , T. Pullaiah , K. Sri Rama Murthy

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T. Pullaiah

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In the present paper an account of grass of Anantapur district of Andhra Pradesh (13°41'- 15°14' and 76°4'7 - 78°l6' E) made during the years 1979-84 is given, 93 species belonging to genera have been recorded from the district. The distribution of the grasses and the vernacular names are given. Diectomis fastigiata is a new record for south India while Paspalum distichum and Rhynchelytrum repents are new records for the state of Andhra pradesh.

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