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Articles by Yusuf Zafar
Total Records ( 3 ) for Yusuf Zafar
  Shah Jehan Khan , Muhammad Ayyaz Khan , Haji Khalil Ahmad , Rahm Din Khan and Yusuf Zafar
  Tissue culture techniques were used to develop soma-clones in sugarcane to screen salt tolerant clones subsequently. Callus masses derived from young leave of high yielding cultivar of sugarcane (CP-43/33). The plantlets were regenerated from one month old callus. The plantlets were transplanted to pots after hardening. The grown up plants were transplanted to well prepare soil. The sets of well developed plant were planted in saline sodic soil. Screening of salt tolerant soma-clones was made. The salt tolerant soma-clones performed better in the characteristics of number of tiller/plant, stem height, number of nodes/stem, root band width with variability of 20, 50, 8.33 and 14.3%, respectively. The soma-clones performed less in the characteristics of girth of stem and brix (%) of 12.5 and 5.2, respectively.
  Shah Jehan Khan , Hamid ullah Khan , Rahim Din Khan , Malik Muhammad Iqbal and Yusuf Zafar
  The present study was carried out to develop mutants in sugarcane using in vitro mutagenesis technology. The calli were exposed to four radiation doses. The plants did not develop from calli exposed to radiation dose of 6.0 Kr, whereas plants developed well with other radiation doses. Among the other doses, 0.5 Kr showed good effect on some agronomic characters i.e. plant height, number of tillers/plant, cane thickness and number of green leaves/plant. These characters are directly linked with yield and sugar contents of cane. it will be worth to study the stability of improved characters in developed mutant plants in the succeeding generations.
  Saifullah Khan , Yusuf Zafar , Aneela Yasmeen and Bushra Saeed
  Of the five supportive materials tried, MS with cotton fiber was found to be the best for rapid growth and plants were ready for further sub-culturing after two weeks while the control showed the same results after six weeks. Addition of table sugar was tested against sigma sucrose. Both gave the same growth of banana plants.
 
 
 
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