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Paper Information

Journal:   PAJOUHESH-VA-SAZANDEGI   FALL 2008 , Volume 21 , Number 3 (80 IN AGRONOMY AND HORTICULTURE); Page(s) 46 To 52.
 
Paper: 

EFFECT OF DIFFERENT TIMES OF FOLIAR APPLICATION TIME OF NUTRIENTS ON FLOWER CHARACTERISTICS AND FRUIT SET OF OLIVE (OLEA EUROPAEA L.) CV ROGHANI

 
 
Author(s):  RAMAZANI M.*, TALLAIE A., JAVADI DAVOD, POURNOURALI S.
 
* AGRICULTURE NATURAL RESOURCE RESEARCH CENTER, GILLAN, RASHT, IRAN
 
Abstract: 

Around 5000 ha olive orchards exist in Roudbar and its suburb. More than 3000 ha of this orchard has 40 years old. Roudbar native olive cultivar (cv Roghani) is the predominant cultivar in old orchards but now this cultivar showing Frequent alternation and low productivity. It seems that continuous fruit harvesting without fertilizers application microelements could be an important reason for low productivity and high alternation in old orchards. To solve this problem, effect of different time of foliar application of nutrients on flower characteristics and fruit set of olive was studied. This study conducted as a randomized complete block design (RCBD) with 5 treatments and 4 repetitions on Roudbar native olive cultivar (Roghani) in the collection orchard of Roudbar olive research station. In this study some of flowers characters including number of flower in each inflorescence, perfect flower percentage and fruit set percentage in each treats counted. The results showed that treatments have significant effect on increasing number of flower in inflorescence, perfect flowers percentage and fruit set percentage and among the time of spraying significant differences were observed too. Spraying trees in october and November had no significant difference with control trees, respect to flower characteristic and fruit set percentage while spraying in February and March had significant effect on increasing the number of flowers in inflorescence, perfect flowers percentage and fruit set percentage in comparison with control trees.

 
Keyword(s): OLIVE, NUTRITION, PERFECT FLOWERS, FRUIT SET, NITROGEN, ZINC, BORON
 
References: 
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