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Articles by M.Y. Mujahid
Total Records ( 4 ) for M.Y. Mujahid
  M.Y. Mujahid , N.S. Kisana , Iftikhar Ahmad , Zaheer Ahmad , A. Majid and S.Z. Mustafa
  85 new wheat selections were assessed and compared with the three standard local checks based on the combined analysis in five preliminary wheat yield trials. The combined analysis has the advantage by improving the selection efficiency of the new genotypes tested in different yield trials conducted in the same year and location. Seven out of the total selections tested out yielded the standard check varieties after making the adjustments in the treatment means. This analysis gave an equal chance to the new selections tested in the different trials which otherwise may have been overlooked.
  M.Y. Mujahid , N.S.Kisana , Zaheer Ahmad , Iftikhar Ahmad , S.Z.Mustafa and A.Majid
  Wheat is the staple food of the people of Pakistan grown on an area of about 8.4 million hectares annually (MINFAL 97-98). The wheat production is affected due to the varying degree of different biotic and abiotic stresses in the country. The success of a breeding programme aims at the development of high yielding wheat varieties which are developed by making recombinants for the traits of economic importance. Forty bread-wheat cross combinations were attempted during the year 1997-98 to determine the heterotic and heterobeltotic effects of the recombinants in Fl generation. The parental material also included local types from highland and dryland areas to utilize the useful diversity in the breeding programme. Maximum degree of heterosis (increase over mid parents) was manifested by the cross number 21 (C-273/WCB BO) for all the trails studied. The same cross-showed the maximum haterobeltosis (increase over better parents) for plant height, spike length, # of spikelets per spike and grain weight. Another cross (Local white/sannine) also showed the same effects for all the trials. There was a varying degree of heterosis in different crosses showing that different combinations can be exploited for the manifestation of heterosis and suggest the choice of selection of desirable parents for the development of better recombinants.
  Zaheer Ahmad , N.S. Kisana , M.Y. Mujahid , Iftikhar Ahmad , S.Z. Mustafa and A. Majid
  Response of various population densities towards yield was tested in Pajnad-88, Pirsabak-85 and Chakwal-86 under natural rainfed conditions. Harvest index, spike length, number of spikelets/spike, grains/spike tend to decrease significantly with increase in seed rate. Plant height and grain weight was not significantly affected by seed rate. Maximum yield was obtained with seed rate of 60 kg ha–1.
  N.S. Kisana , M. Tahir , M.Y. Mujahid , Iftikhar Ahmed A. Majid , S. Zahid Mustafa and Zaheer Ahmed
  Variability and relationship among different morpho-phenological traits for twenty four lines/varieties in each of the two winter and facultative barley trials were studied at two locations (Tel Hadya and Breda) in northern Syria. A significant variation was observed in barley lines for grain yield, plant height, days to heading and maturity, grain filling period and growth period. Since the winter during 1994-95 was mild at the both locations and drought and high temperatures were major stresses, most of the high yielding genotypes were facultative types. A significant positive correlation was found between plant height and grain yield. There was, however, significant negative correlation between grain yield and days to heading and maturity. Grain filling period was positively associated with yield (except for winter types at Breda). A negative correlation between growth habit and yield at both locations can be attributed to mild winter and severe drought and high temperatures during crop growth period.
 
 
 
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