Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCES   2006 , Volume 12 , Number 1 (SUPPLEMENT); Page(s) 31 To 40.
 
Paper: 

EFFECT OF PLANT DENSITY ON YIELD AND YIELD COMPONENTS OF GRAIN SORGHUM CULTIVARS IN BIRJAND CLIMATE

 
 
Author(s):  BARADARAN R., JAVADI H., MOUSAVI GH.R.
 
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Abstract: 

To study the effect of plant density on yield and yield components of grain sorghum cultivars an experiment was conducted as factorial based on compeletely randomized block design with tree replications in research field of Birjand Azad university at 2004. In this study four varieties including "Sepideh, Saravan local, Payam and Kimia  and 3 density 100000, 180000 and 260000 plant / ha were investigated. The anova results indicated that varieties were significantly different for grain yield, biological yield, number of seeds per panicle, 1000 kernel weight and harvest index, the highest grain yield, biological yield, number of seeds per panicle and 1000 kernel weight were observed in Saravan local and the highest harvest index was belong to Sepideh. Characteristics such as grain yield, biological yield and number of seeds per panicle were affected by density, and increase of density cause to increase of grian yield, biological yield and decrease of seed number per panicle but were not affected density 1000 kernel weigth and harvest index. Also interaction between variety and density was significant on seed number per panicle. According to the results of this experiment, saravan in 260000 plant / ha density is recommended for maximum grain yield.

 
Keyword(s): VARIETIES, DENSITY, GRAIN YIELD AND ITS COMPONENTS, GRAIN SORGHUM
 
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