Paper Information

Journal:   IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH   2004 , Volume 11 , Number 4; Page(s) 351 To 364.
 
Paper: 

EFFECT OF PLANTING DATES AND HARVESTING PATTERN ON FORAGE AND SEED YIELDS OF BERSEEM CLOVER (TRIFOLIUM ALEXANDRINUM) IN KARAJ REGION

 
 
Author(s):  ZAMANIAN MOHAMMAD*
 
* SEED AND PLANT IMPORTANT INSTITUTE
 
Abstract: 

In order to study and determinate effect of planting date and harvesting pattern on seed yield of Berseem clover in Karaj region, this research was carried out in split plot (design) with four replication. Jour planting dates as the main plots and five levels of harvesting dates as the subplots were chosen in this experiment.
The results showed that effect of year on dry matter yield, seed yield and 1000- weight seeds were significant at 1% level. Also between planting date levels, harvesting pattern levels and interaction factors for dry matter yield, seed yield and 1000-weight seeds were significant. The highest dry matter yield in fourth planting dates (15 May.) and fifth harvesting pattern with 4.29 and 5.57 t/ha were obtained respectively. For of view seed yield, first planting date (16 Mar.) with 660.6 kg/ha and first harvesting pattern with 586.4 kg/ha were superiority treatment. The highest 1000-weight seeds with 3.65 gr and 3.40 gr belong to seconds planting date and harvesting pattern respectively. With regarder to intraction between factors, if purpose is seed production, trt. D1 p2 with 831.7 kg/ha, and if purpose are forage and seed production, trt. D1p3 with 761.5 kg/ha seeds and 2.49 t/ha dry matter yield in Karaj region are recommended.

 
Keyword(s): BERSEEM CLOVER, PLANTING DATE, SEED AND FORAGE YIELD, CUTTING
 
References: 
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