PENGARUH KEKERINGAN TERHADAP PERTUMBUHAN TANAMAN DAN KADAR KALSIUM OKSALAT DAUN BAYAM Amaranthus tricolor L. ‘Giti Hijau’ DAN A. tricolor ‘Giti Merah’

Imam Safir Alwan Nurza, . (2022) PENGARUH KEKERINGAN TERHADAP PERTUMBUHAN TANAMAN DAN KADAR KALSIUM OKSALAT DAUN BAYAM Amaranthus tricolor L. ‘Giti Hijau’ DAN A. tricolor ‘Giti Merah’. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Bayam merupakan tanaman sayuran yang memiliki kandungan kalsium oksalat di dalam daunnya. Salah satu peran kalsium oksalat dalam tanaman adalah toleransi pada kekeringan. Penelitian ini penting dilakukan untuk mengetahui pengaruh kekeringan terhadap pertumbuhan tanaman dan kadar kalsium oksalat daun tanaman bayam. Penelitian ini bertujuan untuk mengetahui pengaruh kekeringan terhadap pertumbuhan tanaman dan kadar kalsium oksalat daun bayam A. tricolor ‘Giti Hijau’ dan A. tricolor ‘Giti Merah’. Penelitian dirancang menggunakan Rancangan Acak Kelompok dengan mengamati berat basah, berat kering, tinggi tanaman, jumlah daun, jumlah daun cabang, lebar daun, panjang akar, dan kadar kalsium oksalat. Data dianalisis menggunakan uji T tidak berpasangan dengan uji prasyarat berupa uji normalitas Shapiro-Wilk. Jumlah daun dan jumlah daun cabang dianalisis dengan khi kuadrat. Hasil penelitian menunjukkan kekeringan mempengaruhi pertumbuhan tanaman dan kadar kalsium oksalat pada bayam A. tricolor ‘Giti Merah’. Sedangkan A. tricolor ‘Giti Hijau’, cekaman kekeringan hanya berpengaruh pada pertumbuhan tanaman dan tidak berpengaruh terhadap kadar kalsium oksalat. Pengaruh kekeringan (disiram ketika layu 50%) terhadap A. tricolor ‘Giti Hijau’ menghasilkan respon tinggi tanaman, jumlah daun, luas daun dan panjang akar lebih tinggi dibandingkan penyiraman setiap hari, kecuali berat basah yang mengalami penurunan. Sementara itu, jumlah daun cabang dan berat kering tidak terdapat pengaruh yang signifikan, kecuali lebar daun pada periode 13 HST dan 16 HST. Respon A. tricolor ‘Giti Merah’ terhadap kekeringan menunjukkan rata-rata tinggi tanaman, jumlah daun, luas daun, jumlah daun cabang, dan berat basah lebih tinggi dibandingkan disiram setiap hari, kecuali lebar daun yang mengalami penurunan pada periode 16 HST-25 HST. Selain itu, berat kering dan panjang akar tidak terdapat pengaruh yang signifikan. Kekeringan menyebabkan penurunan kandungan kalsium oksalat pada A. tricolor ‘Giti Merah’. Amaranth is a vegetable plant that contains calcium oxalate in its leaves. One of the roles of calcium oxalate in plants is drought tolerance. This research is important to know the effect of drought on growth plant and calcium oxalate content of amaranth leaves. This research aimed to determine the effect of drought on the growth plant and calcium oxalate content of amaranth leaves of A. tricolor ‘Giti Hijau’ and A. tricolor ‘Giti Merah’. The research was designed using a randomized block design by observing wet weight, dry weight, plant height, number of leaves, number of branch leaves, leaf width, root length, and calcium oxalate content. Data were analyzed using independent samples T test with normality test in the form of Shapiro-Wilk. Number of leaves and number of branch leaves were analyzed using chi squared. The results showed that drought affected the growth and content of calcium oxalate in A. tricolor ‘Giti Merah’. Meanwhile, for the A. tricolor ‘Giti Hijau’, drought stress only affected the growth and had no effect on the calcium oxalate content. The effect of drought (watered when 50% wilted) on the A. tricolor ‘Giti Hijau’ resulted in a higher response of plant height, a number of leaves, leaf area, and root length compared to daily watering, except for a decrease in wet weight. Meanwhile, the number of branches and dry weight had no significant effect, except for leaf width at 13 DAP and 16 DAP. The response of the A. tricolor ‘Giti Merah’ to drought showed that the average plant height, number of leaves, leaf area, number of branches, and wet weight were higher than watering every day, except for leaf width which decreased in the period 16 DAP-25 DAP. In addition, dry weight and root length had no significant effect. Drought causes a decrease in calcium oxalate content in the A. tricolor ‘Giti Merah’.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Dr. Adisyahputra, M.S 2). Ikrarwati, S.P, M.Si
Subjects:	Sains > Botani
Divisions:	FMIPA > S1 Biologi
Depositing User:	Users 16796 not found.
Date Deposited:	15 Feb 2023 01:37
Last Modified:	15 Feb 2023 01:37
URI:	http://repository.unj.ac.id/id/eprint/36814

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