Effects on Yield, Yellow berry and Black Point Disease of Fertilization Applications in Hungarian Vetch and Durum Wheat Intercropping System

This study was conducted to determine in Konya ecological condition to the effects on yield, yellow berry and black point disease of fertilization in intercropping sytems of winter hungarian vetch and wheat crops in 2009-2010 growing season. Experimental design was “in randomized complete block design” with four replications. Sowing was done with two various systems, wheat (S 1 ) and hungarian vetch + wheat (S 2 ). The sowing rate of winter wheat was 500 seed m -2 while that of winter hungarian vetch had 200 seed m -2 . In intercropping system, the hungarian vetch was sown between rows where winter wheat was in 20 cm of row space. Fertilizers were added to plots in three different applications, Control (N 0 , P 0 ), 200 kg ha -1 Diammonium Phosphate (18% N and 46% P 2 0 5 ) in sowing, and 200 kg ha -1 Diammonium Phosphate (DAP) in sowing + 220 kg ha -1 Urea (46% N) during tillering stage of wheat. Traits investigated were grain yield, biological yield, ratio of black point disease and yellow berry kernels. The research results showed that there were statistically significant differences in biological yield of wheat in flowering stage, ratio of black point disease and yellow berry kernels in harvest. Effects of intercropping sytem and fertilization on yield, yellow berry and disease traits differed significantly. Nitrogen fertilization in tillering stage increased 95.5 % grain yield (p<0.01), 94.2 % for biological yield (p<0.01) and 37.8 % for black point disease percentage, (p<0.05) but decreased 270.3 % for yellow berry kernel percentage (p<0.01) compared to control. Biological yield (p<0.05) was greater 24.2% in S 2 while yellow berry kernel percentage (p<0.05) was higher 34.8 % in S 1 .

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