Update Artikelilmiah: 33094

AHNISA MUSTADHAFINA

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Abstrak (Bhs. Indonesia)

Kedelai [Glycine max (L.) Merrill] merupakan tanaman yang berperan penting dalam mencukupi kebutuhan gizi masyarakat. Tujuan penelitian ini adalah untuk mengetahui respon anatomis dan fisiologis daun kedelai kultivar Sinabung pada kadar garam yang berbeda dan mengetahui kadar garam yang optimum untuk pertumbuhan kedelai. Penelitian ini menggunakan metode eksperimental dengan Rancangan Acak Lengkap (RAL).  Perlakuan kadar garam dengan 5 taraf yaitu kadar garam 0 mM, 25 mM, 50 mM, 75 mM, dan 100 mM. Masing-masing perlakuan diulang 5 kali, sehingga terdapat 25 unit percobaan. Data hasil pengamatan respon anatomis dan fisiologis daun dianalisis menggunakan uji analisis ragam (ANOVA) dengan tingkat kesalahan 5% dan 1%. Hasil ANOVA diuji lanjut menggunakan Beda Nyata Jujur (BNJ) dengan tingkat kesalahan 5%. Hasil penelitian menunjukkan bahwa perlakuan kadar garam yang berbeda memberi respon pada anatomis daun kedelai kultivar Sinabung yaitu menurunkan tebal mesofil dan kerapatan stoma serta meningkatkan panjang stoma epidermis atas dan bawah. Perlakuan kadar garam tidak memberikan pengaruh pada tebal epidermis, rasio palisade, lebar stoma, dan kerapatan trikoma serta fisiologi daun meliputi kadar klorofil dan kadar karoten. Pertumbuhan kedelai kultivar Sinabung optimum hingga perlakuan kadar garam 100 mM.

Abtrak (Bhs. Inggris)

Soybean [Glycine max (L.) Merrill] is a plant that plays an important role in meeting the nutritional needs of the community. The purpose of this study was to determine the anatomical and physiological responses of soybean leaves of the Sinabung cultivar at different salt levels and to determine the optimum salt content for soybean growth. This study used an experimental method with a completely randomized design (CRD). Treatment of salt content with 5 levels, namely 0 mM, 25 mM, 50 mM, 75 mM, and 100 mM. Each treatment was repeated 5 times, so there were 25 experimental units. Data from observations of anatomical and physiological responses of leaves were analyzed using analysis of variance (ANOVA) with an error rate of 5% and 1%. The ANOVA results were further tested using Honest Significant Difference (BNJ) with an error rate of 5%. The results showed that different salinity treatments gave a response to the anatomy of soybean leaves of the Sinabung cultivar, namely decreasing mesophyll thickness and stoma density and increasing the length of the upper and lower epidermal stoma. Treatment of salt content had no effect on epidermal thickness, palisade ratio, stoma width, and trichome density as well as leaf physiology including chlorophyll content and carotene content. Optimum growth of soybean cultivar Sinabung up to 100 mM salt content treatment.

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