Effect of Residues of Wheat , Corn and Sunflower on Some Growth Characters of Wheat ( Triticum aestivum L. ) Sowing in Different Seed Rates | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 16, Issue 4, December 2016, Pages 232-247 | ||
| Authors | ||
| Jasem M. Morshed; Labeed Sh. Mohammed | ||
| Abstract | ||
| A field experiment was conducted in 2014 – 2015 season in directorate of agriculture / Kirkuk government , to estimate the allelopathy effects of wheat , corn and sunflower residues and seed rate on some growth characters of wheat plants var. Sham – 6 . 9 ton.h-1 of residues were used which added before sowing and then wheat planted by using seed rate 100 , 140 and 180 kg.h-1 . RCBD with factorial experiment was used . Leaf area , dry weight ( 30 , 60 and 90 days after emergence ) , absolute growth, net photosynthesis ( 30-60 and 60-90 days after emergence ) and crop growth rate were studied . The results indicated that the three crops residues caused reduction in the characters values of single plant . Residues of wheat cause the highest reduction in all characters at all dates and periods , while sunflower residues have the lowest effects .Wheat residues gave the lowest values in leaf area ( 30.2 , 56.6 and 179.5 cm2 ) in the determination dates and plant dry weight ( 0.0588 and 2.179 gm ) in the first and second determination dates respectively, absolute weight ( 0.0578 gm ) for the second period and crop growth rate ( 0.0243 gm ) . The seed rate 100 kg.h-1 surpassed and gave the highest values in all characters at all dates and periods . | ||
| Keywords | ||
| wheat; Allelopaty effects; Seed rate | ||
|
Statistics Article View: 58 PDF Download: 1 |
||