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Paper Information

Journal:   AGRICULTURAL RESEARCH   2007 , Volume 7 , Number 3; Page(s) 39 To 53.
 
Paper: 

EVALUATION THE EFFECT OF GIBBERELLIC ACID (GA3)ON SEED TUBER PRODUCTION AND TOTAL YIELD OF POTATO

 
 
Author(s):  MAHMOODI R., PARVIZI R., AKBARI N.
 
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Abstract: 
This experiment was carried out in 2002 to investigate the effect of gibberellic acid treatment on quantitative traits and seed tuber yield of potato. The research cite was Tajarak Research Station of Hamadan, Agricultural Research center and Natural Resources. The experiment was down with factorial design arranged within completely randomized block by hormonal treatment in three levels of gibberellic acid (0.5 and 10 ppm) with Marfona, Agria and Draga cultivars in three replication.
The results showed that GA3 treatment could increase number of main stem and seed tuber per plant. It was observed that Marfona cultivar with hormone treatment of 5 and 10 ppm had heavier and more seed tubers as compared of two other cultivars (the difference with Agria was significant for 5ppm and with Draga for 5 and 10 ppm treatment at 1% level). The most effective treatment in increasing the seed tuber number was 5 ppm hormone level. Both 5 and 10 ppm of GA3 increase the number of stems in plant. Tuber yield of Marfona was superior comparing with two others cultivar.
The highest tuber yield in all cultivar was obtained with 5ppm treatment which had no significant difference with 10ppm treatment. It is concluded that the optimum hormone concentration is 5ppm.
 
Keyword(s): POTATO, SEED TUBERS, GIBBERELLIC ACID
 
References: 
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