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Paper Information

Journal:   CROP PHYSIOLOGY   SUMMER 2012 , Volume 4 , Number 14; Page(s) 83 To 94.
 
Paper: 

STUDY OF PLANT DENSITY EFFECT ON FORAGE YIELD AND SOME AGRONOMIC TRAITS FOUR CULTIVARS OF SORGHUM BICOLOUR

 
 
Author(s):  SHAHSAVARI F.*, NOSRATI MOMVANDI H.
 
* PAYAM NOOR UNIVERSITY, KHORRAM ABAD BRANCH, DEPARTMENT OF AGRONOMY, LORESTAN, IRAN
 
Abstract: 

In order to study of plant density effect on forage yield and some agronomic traits four cultivars of sorghum bicolour, an experiment was conducted as split-plot in a randomized complete block design with four replications in Lorestan Agricultural and Natural Rresources Research Center in 2003-2004 cropping year. Two densities 166000 and 133000 plants per hectar (60 and 75 cm distance between planting rows and 10 cm distance between plants on the row, respectively) were assigned as main factor and four cultivars karaj 1, karaj 2, karaj 3 and karaj 4 as sub factor. Results showed that cultivar and also density had significant effect on total fresh and dry matter yield, stem and leaf dry weight, leaf area index, plant height and stem diameter. In 166000 plants density per hectar all traits except of stem diameter had significant superiority than 133000 plants per hectar density. Karaj 2 cultivar regards to dry and fresh matter yield, stem and leaf dry weight and leaf area index had significant superiority than other cultivars. Karaj 1 had the highest stem height (193.3 cm) and karaj 3 had the highest diameter stem (2.26 cm).

 
Keyword(s): DENSITY, SORGHUM, CULTIVAR, FORAGE YIELD
 
References: 
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