Isıtmasız cam serada sonbahar dönemi yazlık kabak (Cucurbita pepo L.) yetiştiriciliğinde malç uygulamalarının etkileri

Bu araştırma ısıtmasız cam serada plastik malç uygulamalarının (siyah, şeffaf ve gri) sonbahar dönemi yazlık kabak (Eskenderany $F _1$, Falcon $F _1$ ve Zümrüt $F _1$) yetiştiriciliğinde toprak sıcaklığı, verim ve kalite üzerine etkilerini belirlemek amacıyla yapılmıştır. Araştırmada, toprak sıcaklığı (5 ve 10 cm toprak derinliğinde), ilk erkek ve dişi çiçek açma zamanı (gün), erkenci ve toplam verim (kg $da^ {-1 }$), ortalama meyve sayısı (adet/bitki), meyve ağırlığı (g), meyve çapı (cm) ve meyve uzunluğu (cm) değerleri belirlenmiştir. Toprak sıcaklığı malç kullanılan parsellerde 19.1 – 20.2 $^ oC$ arasında iken malçsız parsellerde 17.6 $^ oC$ civarında ölçülmüştür. En erken çiçeklenme malç kullanılan parsellerde belirlenmiş, siyah malç pazarlanabilir erkenci ve toplam verimde en yüksek değerleri vermiştir. Erkenci verimde Eskenderany $F _1$ (1264 kg $da^ {-1 }$), toplam verimde ise Falcon $F _1$ (3858 kg $da^ {-1 }$) siyah malç kombinasyonu ile en yüksek değerlere sahip olmuştur. Pazarlanabilir erkenci ve toplam verim malç kullanımı ile sırasıyla %50.7 ile %86.4 ve %18.1 ile %38.1 oranında artmıştır. Falcon $F _1$ en fazla meyve sayısına (10.1 adet/bitki), en uzun (17.3 cm) ve en ağır (175.1 g) meyvelere sahip olmuş, en geniş meyveler ise Zümrüt $F _1$ (4.44 cm) çeşidinden elde edilmiştir.

The effects of mulch applications on summer squash (Cucurbita pepo L.) production in an unheated glasshouse in autumn season

This research was carried out to determine the effects of mulch applications (black, transparent and gray) on the yield and quality of summer squash (Eskenderany $F _1$, Falcon $F _1$, and Zümrüt $F _1$) were grown in unheated glasshouse in autumn season. In research, soil temperature (5 and 10 cm soil depth), the first blossom time of male and female flower (day), early and total yield (kg $da^ {-1 }$), average fruit number (number/plant), fruit weight (g), fruit diameter (cm) and fruit length (cm) were determined. Soil temperature was evaluated 17.6 $^ oC$ in bare plots, while it was 19.1 – 20.2 $^ oC$ in mulched plots. The earliest flowering was obtained from mulched plots, and black mulch gave the highest marketable early and total yield. Eskenderany $F _1$ had the highest early yield (1264 kg$da^ {-1 }$), and Falcon $F _1$ had the highest total yield (3858 kg$da^ {-1 }$) combinations with black mulch. Marketable early and total yield were raised with using mulch about 50.7 - 86.4% and 18.1 - 38.1%, respectively. Falcon $F _1$ had the most fruit number (10.1 number/plant), the longest (17.3 cm) and the heaviest fruits (175.1 g), and the highest fruit diameter was obtained from Zümrüt $F _1$ cultivar (4.44 cm), also.

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