PENGARUH INTERVAL WAKTU PEMBERIAN PUPUK CAIR TERHADAP PERTUMBUHAN JERUK SIAM (Citrus nobilis var. Macrocarpa) YANG TERSERANG CVPD

Yakup Yakup, Rofiqoh Purnama Ria, Fitri Ramadhani, Musdalifah Musdalifah

Abstract


Jeruk siam (Citrus nobilis var. Microcarpa) merupakan salah satu jenis jeruk yang potensial dan banyak dibudidayakan di Indonesia. Salah satu penyakit jeruk siam yang dapat menurunkan produktivitas serta kualitas adalah CVPD karena penyebarannya yang cepat. Peneltian ini bertujuan untuk mengevaluasi respon selang waktu pemberian pupuk cair terhadap pertumbuhan tanaman jeruk siam (Citrus nobilisvar. Macrocarpa) yang terserang CVPD. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) yang diulang sebanyak 8 kali, dengan perlakuan yang terdiri dari 1 kali semprot pada awal penelitian (S0), 10 hari sekali (S1) dan 30 hari sekali (S2). Hasil penelitian menunjukkan interval waktu penyemprotan 10 hari sekali (S1) terindentifikasi mampu meningkatkan pertumbuhan jeruk siam sebagaimana direpresentasikan melalui panjang daun, lebar daun, lingkar cabang dan klorofil daun. Kesimpulannya interval waktu tersebut direkomendasikan dalam pemberian pupuk cair untuk memicu pertumbuhan jeruk siam yang terserang CVPD.

 

Siamese orange (Citrus nobilis var. Microcarpa) is one of the potential citrus varieties and is widely cultivated in Indonesia. One of the Siamese orange diseases that infects citrus plants and threatens global citrus production and quality is CVPD due to its rapid spread. This research aimed to evaluate the response time interval for application liquid fertilizer to the growth of Siamese oranges (Citrus nobilisvar. Macrocarpa) infected with CVPD. The experiment was arranged based on Randomized Block Design (RBD) was repeated 8 times, with treatments consist of one time spray at the beginning of the research (S0), once-every 10 days (S1) and once-every 30 days (S2). The results showed that spraying interval of once-every 10 days (S1) was identified being able to increase the growth of Siamese oranges as represented by leaf length, leaf width, branch circumference and leaf chlorophyll. To conclude, this time interval is recommended for application liquid fertilizer to stimulate the growth of Siamese oranges infected by CVPD


Keywords


Selang waktu; aplikasi pupuk; penyakit tanaman; Time interval; fertilizer application; plant disease

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References


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DOI: https://doi.org/10.32502/jk.v19i1.8714

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