МОРФОЛОШКИ КАРАКТЕРИСТИКИ НА НЕКОИ ХИБРИДИ ПЧЕНКА ОД FAO300 И FAO700 ОДГЛЕДУВАНИ ВО ШТИПСКИОТ РЕГИОН MORPHOLOGICAL CHARACTERISTICS OF SOME MAIZE HYBRIDS FROM FAO300 AND FAO700 GROWN IN SHTIP REGION
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The maize is one of the most important grain crops in Republic of Macedonia. The large agricultural area covered by maize, coming as result of introduction of new hybrids with different vegetation period, therefore, the possibilities for its production are growing. But, because of the production of new hybrids, it is necessary for their investigation in new agricultural conditions. In this research was investigated adaptability of the maize hybrids PKB323, NSSC333, ZPSC704, NS721, NS770, in conditions of Shtip region. Through the research of morphological properties, has been confirmed the reaction of each hybrid in certain agro ecological conditions. The examined genotypes showed different height, which increases regarding vegetation period. Average height for earlier hybrids was 1.98m in 2009, and 1.92m in 2010. Later maturity hybrids have higher stem height, with 2.40m in 2009, and 2.43m in 2010. The cob height followed the stem height, but number of the cobs per plant was equally in all investigated hybrids. Regarding cob length, the hybrid NS721 shows largest and NSSC333 shortest cob. The hybrids which belong of later maturity group have bigger cob diameter and number of rows per cob. All investigated hybrids, showed results which are similar to basic informations about used genotypes.
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