Pertumbuhan dan Produksi Bunga Marigold (Tagetes erecta L.) pada Berbagai Frekuensi Pinching dan Jenis Pupuk
Growth and Flower Yield of African Marigold (Tagetes erecta L.) under Different Pinching Frequencies and Fertilizer Types
DOI:
https://doi.org/10.29244/jhi.14.3.141-148Abstract
The effect of pinching frequency and fertilizer type on the growth and production of the T. erecta variety (var.) Sudamala Oranye 1 should be studied, as the release of new varieties is often accompanied by cultivation systems that align with the plant characteristics. This research was conducted at CV. Benih Dramaga, Bogor, West Java from March to July 2023. The experiment used T. erecta var. Sudamala Orange 1 seedling from cutting, with pinching frequencies every 2 days (F1), 4 days (F2), and 6 days (F3) and fertilizer types, namely AB Mix 1000 ppm (J1) and NPK 16-16-16 5000 + Gandasil 2000 (J2) as factors. Results revealed that pinching frequency significantly affected the percentage of surviving plants, and the fresh weight of individual flowers also had a highly significant impact on flower size. The fertilizer type significantly affected the percentage of bacterial wilt-infected plants, and surviving plants also had a highly significant effect on the flower harvesting period for T. erecta var. Sudamala Orange 1. Qualitative observations showed variations in leaf and petal color due to the fertilizer type. Pinching every 2 days resulted in the highest yield components, although it was not significantly different from other frequencies. The highest T. erecta var. Sudamala Oranye 1 flower yield was found with the application of AB Mix fertilizer 1000 ppm.
Keywords: AB Mix, disbudding, gandasil, NPK, shoot cuttings
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