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Paper Information

Journal:   PAJOUHESH-VA-SAZANDEGI   WINTER 2007 , Volume 19 , Number 4 (73 IN AGRONOMY AND HORTICULTURE); Page(s) 79 To 86.
 
Paper: 

STUDY OF SUMMER PLANTING POSSIBILITY OF POTATO CULTIVARS BY USING TWO TUBER SEED DORMANCY-BREAKING METHODS

 
 
Author(s):  MORTAZAVIBAK A.*, AMINPOUR R., POURIAE VALI M.
 
* AGRICULTURAL AND NATURAL RESOURCES RESEARCH CENTER OF ISFAHAN
 
Abstract: 

An experiment was conducted to study of possibility of Summer planting potato cultivars and evaluation of breaking dormancy methods in Kabjavan Village of Isfahan in summer 2003. The experimental design was a complete randomized block with a factorial experiment arrangement and three replications. The first factor was two breaking dormancy methods included: 1-Chilling 2-Chilling+GA3. The second factor was five cultivars (Sante, Diamant, Concord, Santana and Marfona). The results showed that the total yield was higher in diamant and Sante(with 22.9 and 22.3t/ha respectively) than the other varieties. Sante with 12.5t/ha and Diamant with 9.5t/ha , produced the highest big and medium tuber size respectively. Also the emergence percentage and uniformity of foliage cover in these varieties were better than the others. Marfona produced the least total, big and medium tuber yield with 13.9, 7.8 and 3.8t/ha respectively. The total and big tuber yield in chilling breaking dormancy (with 21.6 and 12.5t/ha respectively) were significantly higher than in chilling + GA3 treatment (with 17.1 and 7.9t/ha respectively) .On the contrary of other varieties Marfona produced higher total and big tuber yield in chilling + GA3 treatment.

 
Keyword(s): POTATO, CULTIVARS, BREAKING DORMANCY, CHILLING, GA3, YIELD
 
References: 
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