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Pakistan Journal of Biological Sciences
  Year: 2000 | Volume: 3 | Issue: 10 | Page No.: 1568-1570
DOI: 10.3923/pjbs.2000.1568.1570
Production of Onion Seedlings as Influenced by Different Sowin Methods and Weed Pressure
Abdul Ghaffoor , Kashif Waseem , Mohammad Amjad Nadeem and Safia Huda

Abstract:
An investigation was made to observe the influence of sowing methods and duration of weed competition on the production of onion seedlings. The experiment was laid out in split plot arrangements with Randomized Complete Block Design (R.C.B.D.). The data were recorded on the weed density/m2, weed density (%), weed biomass/m2, weed dry weight percentage, germination percentage, number of Onion seedlings and seedling weight. Sowing methods produced significant results in case of germination percentage. Statistically line sowing (7.54 kg) and weed free after 10 days of sowing (8.40 kg) produced maximum seedling weight/plot. As regards the weed density, the highest density of Convolvulus arvensis was recorded in the treatments. Besides, Euphorbia heliscopia, Chenopodium album and Rumex crispus also retarded the growth rate of onion seedlings.
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How to cite this article:

Abdul Ghaffoor , Kashif Waseem , Mohammad Amjad Nadeem and Safia Huda , 2000. Production of Onion Seedlings as Influenced by Different Sowin Methods and Weed Pressure . Pakistan Journal of Biological Sciences, 3: 1568-1570.

DOI: 10.3923/pjbs.2000.1568.1570

URL: http://scialert.net/abstract/?doi=pjbs.2000.1568.1570

 
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