Ponendi Hidayat
LPPM - Universitas Jenderal Soedirman

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PENGARUH DOSIS PEMUPUKAN TERHADAP HASIL TIGA KULTIVAR CABAI MERAH THE EFFECT OF FERTILIZATION DOSAGES ON YIELD OF THREE CULTIVARS OF SWEET PEPPER , Murwito; , Sakhidin; Hidayat, Ponendi
Pembangunan Pedesaan Vol 10, No 1 (2010)
Publisher : Pembangunan Pedesaan

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Abstract

Stabilizing the production of sweet pepper is importance to eliminate the fluctuation of supply and price in the market. One of these efforts is cultivation by using good cultivars and optimum fertilization. There were two treatments, namely cultivars (Hot Beauty, TM 888, and TM 999) and fertilization (600 kg/ha NPK +150 kg/ha ZA, 900 kg/ha NPK+225 kg/ha ZA, 1200 kg/ha NPK+300 kg/ha ZA, and 1500 kg/ha NPK+375 kg/ha ZA). This research used Randomized Completely Block Design by 3 replications. Result of the research showed that Hot Beauty, TM 999, and TM 888 cultivars varied in plant height, number of fruit/plant, fruit length, fruit diameter, fresh weight fruit/plant, and fresh weight fruit/plot, but generally Hot Beauty gave the highest yield. The increasing dosage of NPK and ZA would increase fruit length and diameter. Interaction between cultivar and fertilization did not affect significantly on all observed variables.
PERTUMBUHAN DAN PRODUKSI ENAM GENOTIPE BAWANG MERAH YANG DIPERLAKUKAN DENGAN VARIASI PUPUK K DAN SAAT PANEN Badrudin, Ubad; Sunarto, Sunarto; Hidayat, Ponendi
Agrin : Jurnal Penelitian Pertanian Vol 11, No 2 (2007): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.agrin.2007.11.2.71

Abstract

Penelitian ini bertujuan untuk mendapatkan dosis pupuk K dan saat panen enam genotipe bawangmerah yang tetap, sehingga diperoleh hasil maksimal. Penelitian ini dilaksanakan di kebun percobaan PusatPenelitian dan Pengembangan Kedelai (SRDC) Universitas Jenderal Soedirman, Purwokerto, sejak bulanJuni sampai September 2006. Rancangan percobaan yang digunakan adalah Rancangan Petak Terbagi (RPT)dengan 3 kali ulangan. Petak utama adalah pepumukan K, K0: kontrol dan K1=150 kg KCl/ha, dan anakpetak berupa kombinasi antara genotipe bawang merah dan saat panen. Keenam genotip bawang merahmenunjukkan pertumbuhan dan hasil bervariasi, tetapi bukan disebabkan oleh variasi pemupukkan K. Hasilumbi bervariasi ketika panen dilakukan pada saat yang berbeda. Umur panen 70 hst (U2) memberikan hasillebih baik daripada umur panen 60 hst (U1). Bobot kering askip tanaman per rumpun, dan diameter umbisetiap genotip bawang merah ditentukan oleh saat panen. Galur K (V3) pada umur panen 70 hst (U2)menunjukkan hasil yang paling tinggi. Jumlah umbi per rumun keenam genotip bawang merah ditentukanoleh pemberian pupuk K dan saat panen. Jumlah umbi per rumun Galur K (V3) dan varietas Tiron (V6)meningkat sejalan dengan pemberian pupuk K (K1) dan jika dipanen pada umur 70 hst (U2), sehinggadiameter umbinya menjadi kecil-kecil.Kata Kunci: bawang merah, genotipe, pupuk K, saat panen. ABSTRACTThis research project aimed to find out the proper dose of K fertilizer and harvest time for shallot, soas to gain their maximal yield. Its was carried out in Soybean Research and Development Center (SRDC)field of Jenderal Soedirman University, Purwokerto, since June until September 2006. A three replication ofSplit Plot Design arranged in Randomized Completely Block Design was employed. The main plot consistedof K0: control and K1: 150 kg KCL per hectare, whilst sub plot was combination between six shallotgenotype and harvesting time. The growth and yield of six shallot varieties varies and its variation dependedon K fertilizer and harvesting time. K application (K0 and K1) was not affect all of observed variables. Bulbyield varies when its harvest was done in different time. Harvesting time in 70 days after planting (U2)resulted higher yield than those of 60 days after planting (U1). Askip dry weight of crop per clump and bulbdiameter of each variety depended on harvesting time. K line (V3) produced the highest yield when shallotwaa harvested in 70 days after planting (U2). The number of tuber per clump for all varieties was determinedby both K application and harvesting time. The number of tuber for K line (V3) and Tiron variety (V6)increased when K fertilizer was applied and shallot was harvested in 70 days after planting (U2), and hencethe diameter of tuber decreased.Key words: shallot, genotype, K fertilizer, harvesting time.
PENANDA MORFOLOGI DAN FISIOLOGI KEDELAI TOLERAN TERHADAP GULMA TEKI (Cyperus rotundus) Hidayat, Ponendi; Fatichin, Fatichin
Agrin : Jurnal Penelitian Pertanian Vol 14, No 1 (2010): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.agrin.2010.14.1.97

Abstract

ABSTRAKTeki (Cyperus rotundus) adalah salah satu gulma utama pada areal pertanaman kedelai. Penelitian inibertujuan mengetahui penampilan kedelai pada beberapa tingkat cekaman Cyperus rotundus; mengetahuikeeratan hubungan antara karakter morfologi/fisiologi dan toleransinya terhadap Cyperus rotundus; menentukankarakter morfologis dan fisiologis apa saja yang dapat dijadikan sebagai penanda toleransi kedelai terhadapCyperus rotundus; dan mengetahui tingkat toleransi genotip kedelai yang diuji terhadap Cyperus rotundus.Percobaan dilaksanakan di kebun percobaan Fakultas Pertanian UNSOED Purwokerto. Percobaan dilaksanakanberdasarkan tata ruang RAK (Rancangan Acak Kelompok). Dua faktor perlakuan berupa: 1) gulma Cyperusrotundus yaitu tingkat kerapatan tanpa C. rotundus (G0), kerapatan 15 C. rotundus / polibag (G1), kerapatan 30C. Rotundus / polibag (G2), kerapatan 45 C. Rotundus / polibag (G3); 2) tujuh genotipe kedelai (Raung, Lokon,Wilis, Burangrang, Cikuray, dan Petek). Percobaan diulang 3 kali. Hasil penelitian menunjukkan bahwa gulmateki dapat menurunkan nilai rata-rata variabel panjang akar, tinggi tanaman, jumlah cabang produktif pertanaman, jumlah polong isi per tanaman, jumlah biji per tanaman dan bobot biji per tanaman. Karakter fisiologiyang dapat dijadikan penanda toleransi terhadap gulma teki adalah Laju Tumbuh Tanaman periode pengamatan35-42 hst, Laju Asimilasi Bersih periode pengamatan 35-42 hst dan jumlah klorofil a. Sedangkan pada karaktermorfologi adalah panjang akar, jumlah polong isi per tanaman, jumlah biji per tanaman, bobot 100 biji pertanaman, dan bobot biji per tanaman. Varietas kedelai yang memiliki tingkat toleransi terhadap gulma tekitertinggi berdasarkan STI adalah Lokon sedangkan terendah adalah Lawit.Kata Kunci: penanda morfologi, penanda fisiologi, kedelai, teki ABSTRACTCyperus rotundus is a main weed of soybean plant area. The research objectives are to know of soybeanperformances on several Cyperus rotundus stressed level; to know the correlation betweenmorphological/physiological character and Cyperus rotundus stress tolerance; to know morphological /physiological characters would become marker for Cyperus rotundus tolerance; and to know the level ofsoybean tolerance on Cyperus rotundus stressed. The research was conducted at Agriculture Faculty of JenderalSoedirman University, Purwokerto. Randomized Completely Block Design (RCBD) was used in this experimentwith three replications. The experiment has two treatments i.e. the level of Cyperus rotundus stressed (G0, G1,G2, G3); second treatment is soybean varieties (Raung, Lokon, Wilis, Burangrang, Cikuray, and Petek). Theresult of the research showed that Cyperus rotundus able to decrease mean of length of root, plant height,number of productive branch, number of contained pod per plant, number of seed per plant, and weight seed perplant. The physiological characters that become marker for Cyperus rotundus tolerances are Plant Growth Rate(35-42 day after planted); Net Assimilation Rate (35-42 day after planted); and Chlorophyll a contained. Themorphological characters that become marker for Cyperus rotundus tolerances are length of root, number ofcontained pod per plant, number of seed per plant, and weight seed per plant. The highest tolerance varietybased on STI is Lokon while the lowest is Lawit.Key words: morphology indicator, phisiology indicator, soybean, cyperus rotundus