EFFECT OF PLANT DENSITY ON GROWTH AND GRAIN YIELD OF SOME HYBRID CORN (ZEA MAYS L.) VARIETIES UNDER MEDITERRANEAN ENVIRONMENT
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Tarih
2019
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Parlar Scientific Publications (P S P)
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Corn production in less planr sensity has been struggled over the last decades with differnt degrees of accomplishment. This research was conducted on the second crop growing season in 2016 at the Mustafa Kemal Univertiy, Turkey to determine the optimum plant density (8, 9, 10, and 11 plant/m(2)) for two different maturitiy groups hybrid corn varieties of P31 P 41 (FAO 650) and DKC 5741 (FAO 500). Tasseling time, plant height, stem diameter, stalk length, cob thickness, wedge weight, SPAD, leaf area index, harvest index and grain yield were measured. The results indicated that there were sinificant differences among the plant densities, and between the varieties, and their intercations for almost all the growth and yield trains of hybrid corn varieties. For the plant density, wider spaced plants (8 plants/m(2)) produced the highest values of stem diameter (SD), SPAD reading, ear diameter (ED), grain weight (GW), and grain yield (GY) followed by nearest spaced plants (9 plants/m(2)) as compared to closed spaced plants (10 and 11 plants/m(2)). Significant varietal differences were recorded in all studied traits except SPAD falue and ED. However, the variety DKC 5741 produced shorter plant, lesser LAI and tasseled earlier but generated higher SD, EL (ear length), GW, and GY than the variety P31 P 41. Therefore, the early maturing maize variety DKC 6547 can be grown with maintaining 8-9 plants/m2 for obtaining maximum grain yield corn.
Açıklama
Anahtar Kelimeler
Corn (Zea mays), plant density, varieties, leaf area index, SPAD value, grain yield
Kaynak
Fresenius Environmental Bulletin
WoS Q Değeri
Q4
Scopus Q Değeri
Cilt
28
Sayı
4
