study on the best planting date of new wheat promising lines in yazd province.ý
2007
Tabatabaie, Said mohamad taghi | Morovvati, Yadola | Dehghani, Mohammad Hosein
To determine the most suitable planting date of advanced wheat promising lines in the soil and salty water of Yazd province ,an experiment has been done with three planting dates(main factor)al=Oct.23,a2=Nov.6,a3=Nov.21,three advanced lines (bl=No.4 on farm Year 2002 ,b2= No.6 on farm Year 2002,b3= No.9 on farm Year 2002)and three seeding den sites 81 of CI,C2 and C3 as C1=450 51m2- , C2=500 s/m2 and C3=550 51m2 in RCBD and spilt -factorial arrengment in three replicates for two crop years (2005-06, 2006-07).EC of water, 11.02ds/m and EC of soil was 10.44 dslm .Results of this experiment during two years has shown that three is not a significant difference between advanced lines and seed measure in respect of seed function biological function , number of seed in the spike ,number of spike let in the spike number of the whole claw and number of the fertile claw according to Duncan multiple range test at level of 5 percent prop ability .but in respect of planting date characteristics of biological function was three classes of a,b and c: seed function in two classes of a and b :number of seed in the spike in two classes of a and b :number of spike let in the spike in three classes of a, b and c ,number of whole claw and number of fertile claw in the class of a .finally , the conclusion has shown that advanced lines of b 1 =No.4 on farm Year 2002 ,b2= No.6 on farm Year 2002,b3= No.9 on farm Year 2002 ,and three seed measures of cl,c2 and c3 have had no effect on seed function but first and second planting date (al=Oct.23,a2=Nov.6)had the most seed function in compare with third planting date (a3=Nov.21).
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