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Amaç: Bitkiler büyüme ve gelişmeleri için ışığa ihtiyaç duymaktadırlar. Ancak, kış aylarındaki kısa ve bulutlu gün sayısından kaynaklanan doğal ışık miktarındaki azalma bitkilerde büyüme ve gelişmeyi sınırlandırmaktadır. Bu durumda elektriksel yolla yapay ışıklandırma yapılabilmektedir. Materyal ve Metot: 2016 yılı Aralık ayında Ege Üniversitesi Ziraat Fakültesi Bahçe Bitkileri Bölümü fide üretim seralarında yürütülen bu çalışmada, 1-2 gerçek yapraklı genç marul fideleri dikim büyüklüğüne gelene kadar (1) karanlık koşulda lamba kullanılarak (2) gün ışığı altında lamba kullanılarak ve (3) gün ışığı (kontrol) altında yetiştirilmiştir. Karanlık koşul fidelerin üstüne konulan ahşap iskeletin siyah örtüyle kaplanması ile, yapay ışıklandırma LifeLite negatif iyon yüklü tam spektrumlu gün ışığı floresan lambası kullanımı ile sağlanmıştır. Fideler bir ay boyunca yetiştirilmiş ve haftada bir defa marul için kullanılan kışlık besin solüsyonu reçetesine göre hazırlanmış besin solüsyonu ile sulanmıştır. Dikime hazır hale gelen fidelerde morfolojik gelişim, biyolojik kütle, klorofil ve renk ölçümleri yapılmıştır. Bulgular: Karanlık koşulda lamba kullanımı ile fideler daha uzun boylu ve daha açık renkli olmuş, ancak fide kalitesi diğer uygulamalardan daha düşük olmuştur. En iyi fide gelişimi ve kalitesi gün ışığı + lamba uygulamasından elde edilmiş bunu gün ışığı uygulaması izlemiştir. Sonuç: Çalışma sonucunda tam spektrum lamba ile yapılan yapay ışıklandırmanın marulda fide gelişimi ve kalitesini artırdığı belirlenmiştir.
Plants need light for their growth and development. However, the decrease in the amount of natural light due to the number of short and cloudy days in the winter months restricts the growth and development of plants. In this case, artificial lighting can be made by electricity. Materials and Methods: In this study conducted in the fide production greenhouses of the University of Ege Ziraat Faculty of Garden Plants Department in December 2016, 1-2 real leaves of young marul fides have been grown under daylight (control) until they reach the plant size (1) using the lamp in dark conditions (2) using the lamp under daylight and (3) using the lamp under daylight (control). With the black cover of the wooden skeleton placed over the dark conditions, artificial lighting is provided with the use of full spectrum sunlight floresan lamp charged with LifeLite negative ions. Fides have been grown for a month and are moisturized with a nutritional solution prepared according to the prescription of the winter nutritional solution used for marul once a week. In the crops that are ready for planting, morphological development, biological mass, chlorophyll and color measurements have been made. The findings: With the use of the lamp in dark conditions, the fides have become longer and brighter, but the fide quality has been lower than other applications. The best fide development and quality is obtained from the application of daylight + lamp; it has been followed by the application of daylight. The result: The study found that artificial lighting made with a full spectrum lamp improved the development and quality of the fide in the marulda.
Objective: Plants need light for their growth and development. However, the decrease in the amount of natural light caused by the number of short and cloudy days in winter limits the growth and development of plants. In this case, artificial lighting can be done electrically. Material and Methods: In this study carried out in seedling production greenhouses of Ege University Faculty of Agriculture Department of Horticulture Department in December 2016, 1-2 real-leaf young lettuce seedlings were grown under (1) under dark conditions using lamp, (2) lamp with day light and (3) only day light (control). Dark condition was provided by covering the wooden skeleton with black cover placed on top of the seedlings. Artificial lighting was provided by the use of full-spectrum daylight fluorescent lamp with LifeLite negative ion loaded. Seedlings were grown for one month and watered once a week with nutrient solution prepared according to the winter lettuce recipe. When the seedlings were ready to planting, morphological development, biological mass, chlorophyll and color measurements were measured. Results: The seedlings were longer and lighter in color with the use of the lamp in the dark condition, but the quality of the seedlings was lower than the other treatments. The best seedling development and quality were obtained from day light + lamp treatment followed by daylight (control) treatment. Conclusion: As a result of the study, it was determined that artificial lighting with full spectrum lamp with day light increased seedling growth and quality in lettuce.
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