UJI TOLERANSI TERHADAP SALINITAS PADA TIGA VARIETAS TOMAT DATARAN RENDAH MELALUI TEKNIK HIDROPONIK

LINTANG WIDIARTI, . (2023) UJI TOLERANSI TERHADAP SALINITAS PADA TIGA VARIETAS TOMAT DATARAN RENDAH MELALUI TEKNIK HIDROPONIK. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Tomat (Solanum lycopersicum L.) merupakan salah satu komoditas tanaman hortikultura sayuran buah yang memiliki nilai ekonomi tinggi. Ekstensifikasi lahan dalam budidaya tomat di lahan salin perlu ditunjang dengan varietas yang toleran terhadap salinitas. Penelitian ini bertujuan untuk mengetahui (1) LC50 NaCl di fase perkecambahan dan (2) tingkat toleransi tiga varietas tomat terhadap salinitas di fase vegetatif hingga generatif melalui teknik hidroponik. Penelitian dilakukan di Laboratorium Ekologi dan Greenhouse Gedung Ex Baak FMIPA UNJ pada Agustus 2022-Februari 2023. Metode penelitian eksperimental dengan desain RAL yang terdiri atas dua percobaan: (1) uji daya berkecambah tiga varietas tomat beserta penentuan LC50 NaCl di fase perkecambahan dan (2) uji toleransi salinitas pada tiga varietas tomat di fase vegetatif hingga generatif melalui teknik hidroponik. Persentase daya berkecambah dianalisis dengan Softwere CurveExpert 1.4 untuk menentukan LC50 NaCl di fase perkecambahan, sedangkan parameter pertumbuhan dan hasil produksi tanaman pada tiga varietas tomat dianalisis dengan indeks sensitivitas cekaman (ISC). Hasil penelitian menunjukkan LC50 NaCl di fase perkecambahan sebesar 2,75 gL-1. ISC berdasarkan parameter pertumbuhan menunjukkan bahwa varietas Servo F1 dan Tora IPB tergolong varietas yang moderat, sedangkan Gustavi F1 tergolong peka terhadap cekaman salinitas (3,5 gL-1 NaCl) dan berdasarkan parameter hasil produksi tanaman varietas Servo F1 tergolong varietas yang toleran, Gustavi F1 tergolong moderat, dan Tora IPB tergolong peka terhadap cekaman salinitas (3,5 gL-1 NaCl). **** Tomato (Solanum lycopersicum L.) is a fruit vegetable horticultural commodity that has high economic value. Expansion of land for tomato cultivation in saline soils needs to be supported with variety that are tolerant to salinity. This study aims to determine (1) LC50 NaCl in the germination phase and (2) the level tolerance of three tomato varieties to salinity in the vegetative to generative phases through hydroponic technique. The research was conducted at the Ecology Laboratory and Greenhouse of the Gedung Ex Baak FMIPA UNJ in August 2022-February 2023. The experimental research method with the RAL design consisted of two experiments: (1)the germination test of three tomato varieties and the determination of LC50 NaCl in the germination phase and (2) salinity tolerance test on three tomato varieties in the vegetative to generative phases using hydroponic technique. The percentage of germination was analyzed using Softwere CurveExpert 1.4 to determine the LC50 of NaCl during the germination phase, while the growth and yield parameters of the three tomato varieties were analyzed using the stress sensitivity index (ISC). The results showed that the LC50 of NaCl in the germination phase was 2,75 gL-1. ISC based on growth parameters showed that the Servo F1 and Tora IPB varieties were classified as moderate variety, while Gustavi F1 was classified as sensitive variety to salinity stress (3,5 gL-1 NaCl) and based on plant production yield parameters Servo F1 was classified as a tolerant variety, Gustavi F1 classified as moderate variety, Tora IPB was classified as sensitive variety to salinity stress (3,5 gL-1 NaCl).

Item Type:	Thesis (Sarjana)
Additional Information:	1). Dr. Adisyahputra, M.S. ; 2). Pinta Omas Pasaribu, M.Si.
Subjects:	Sains > Botani
Divisions:	FMIPA > S1 Biologi
Depositing User:	Users 19535 not found.
Date Deposited:	06 Sep 2023 02:40
Last Modified:	06 Sep 2023 02:40
URI:	http://repository.unj.ac.id/id/eprint/40829

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