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Control Number58202
Date and Time of Latest Transaction20060619142842.5
General Information060619s |||||||||b ||00|||
Cataloging SourcePCARRD-DOST
Main Entry - Uniform TitleENGLISH
Title StatementPhysiological techniques for maximizing cotton productivity. I. Use of growth regulators in increasing flower set
General NoteBatac, Ilocos Norte: Cotton Research and Development Institute, 1981. 29 p
Summary, Etc.Three growth regulators (GA3-Gibberellic acid, AA-ascorbic acid and CCC-cycocel) sprayed to cotton at the flowering stage at 25 ppm were evaluated to determine the most effective in increasing flower per boll set and their effect on seed cotton yield and other agronomic characteristics.The cost and return on the use of a larger experimental area for cycocel spray was also evaluated. Seeds of UPLC-3 variety was used in the study. AA treatments produced the tallest plants and had the most number of sympodial branches. Both GA3 and AA produced the longest branches. Numerically, the highest number of flowers opened was from plants sprayed with CCC, while plants sprayed with AA had the highest percent boll set, average bollper plant, and seed cotton yield. The heaviest bolls were produced by CCC treated plants. In the lint analysis, CCC-treated plants produced the longest staples. All the treatments presented a very high uniformity ratio. A net income of P889.00/ha was realized in CCC-treated cotton plants while the untreated plants had a net income of P267.00/ha. Further study using earlier planting schedules and uniform soil fertility level should be conducted for a more reliable and accurate results. Experiment Ia and Experiment Ib had an inconsisted result regarding the yield of the control plot against the CCC-treated plot
Subject Added Entry - Topical TermGOSSYPIUM
 FLOWERING
 PLANT GROWTH SUBSTANCES
LocationDOST PCARRD
  
     
 
Physical Location
Department of Science and Technology
Philippine Council for Agriculture, Forestry and Natural Resources Research and Development
  
     
 
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