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- Title
Tokat İlinde Yağlık Ayçiçeği (Helianthus annuus L.) Yetiştiriciliğinde Yabancı Ot Kontrolü İçin Kritik Periyodun Belirlenmesi.
- Authors
KAYA, Yalçın; BAŞARAN, Bülent; KADIOĞLU, İzzet; KILIÇ, Duran; ÖZER, Erhan; ALTINTAŞ, Atila; GÖKALP, Sezai; MUTLU, Nurhan
- Abstract
While soybean plant is the most cultivated and produced oilseed plant in the world, sunflower in our country. One of the most important problems in oil sunflower cultivation is weeds that cause significant losses in product obtained per unit area. Today, there is a need for "Integrated Management Programs" which will be formed by considering mechanical, cultural and chemical struggle methods in struggle with weeds in our country and in the world. In order to develop such programs, the economic damage thresholds of the target weeds, the critical periods and the seed reserves existing in the soil must be known and the early warning criteria must be accordingly determined. In this study, conducted during three years (2014-2016) in order to determine the most suitable control period (critical period) with weeds in oiled sunflower is determined between the 2nd and 10th weeks in the first year (2014), between 4th and 6th weeks in the second year (2015) and between 4th and 10th weeks in the third year (2016) of the experiment in Tokat province. Due to different precipitation regimes in growing periods of sunflower of the difference between critical period cycles determined in every three years are thought. For this reason, it has been concluded that the most suitable period for struggling with weeds in the sunflower is between the 4th week and the 6th week, based on the determination that the rainfall and temperature averages in the second year are closer to the average for long years.
- Subjects
OILSEED plants; SUNFLOWER seed oil; SUNFLOWER growing; SOYBEAN; SEEDS; WEEDS; SUNFLOWERS
- Publication
Turkish Journal of Weed Science, 2020, Vol 23, Issue 2, p81
- ISSN
1303-6491
- Publication type
Article