Paper Information

Journal:   IRANIAN JOURNAL OF SEED RESEARCH   2017 , Volume 4 , Number 1 #L0036; Page(s) 111 To 118.
 
Paper: 

THE EFFECT OF SEED SIZE ON MAIZE (ZEA MAYS) GERMINATION CHARACTERISTICS IN VITRO

 
DOI: 

10.29252/yujs.4.1.111

 
Author(s):  KHESHT ZAR MEHRI*, SHARAFIZAD MEHRAN, GHASEMI RANJBAR JAFAR
 
* SEED AND PLANT CERTIFICATION AND REGISTRATION INSTITUTE, KHUZESTAN BRANCH, KHUZESTAN IRAN
 
Abstract: 

To investigate the role of seed size on maize germination characteristics, an experiment was conducted in 2014 in the Laboratory of Registration and Certification of Seeds and Plants, Khuzestan Branch. Treatments included three levels of seed size (control (mixed), large and small) and hybrids at three levels (KSC704, Karun and Mobin). The results of these experiments showed that the hybrid had a significant impact on germination percentage, the rate of germination, vigor index, root and shoot length and dry weight of seedling. In addition, the highest germination (94.3%), the rate of germination (8.4 seeds per day), vigor index (37.6), shoot length (21 cm), root fresh weight (3.1 gr) and dry weight of seedlings (0.59 g) affected by seed size belonged to the Karun hybrid. Generally speaking, in terms of germination and seedling growth, there were differences among the three groups of maize seeds. Out of the hybrids scrutinized, Karun hybrid was a better one in terms of germination and growth of seedlings.

 
Keyword(s): HYBRID SEED, GERMINATION RATE, MAIZE
 
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