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Uun Sumpena

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Agriculture, Biological Sciences & Forestry Environmental Science

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EFEKTIVITAS ETHYL METHANE SULFONATE (EMS) TERHADAP PEMBENTUKAN TANAMAN WORTEL (Daucus carota L.) MANDUL JANTAN Gungun Wiguna; Rd. Prasodjo Prasodjo; Uun Sumpena
MEDIAGRO Vol 7, No 2 (2011)
Publisher : Universitas Wahid Hasyim

The study was conducted at Indonesian Vegetable Research Institute in March to December 2009 with an altitude of 1250 masl. The objective of study was to determine the effectiveness of EMS in producing carrots male sterile. The experiment was arranged in Complitely Randomized Block Design with two factors and three replication. The results indicate that the local carrot cultivars have the survival to maturity better than hybrid varieties. The highest percentage of living plants showed by carrot cultivar origin Cipanas (73.21%). The percentage of live plants is affected by the EMS treatment only until the age of 60 HST. Increased concentrations of EMS resulted in decreased percentage of live plants. Increased concentrations of EMS also tends to reduce the weight of thousand grains carrot seed produced from the M1 generation. Visual appearance of pollen on all EMS treated the same as the control, that is pithy and bright yellow. Treatment of various EMS concentrations level provided the individual has not been effective in producing carrots male sterile. Key words: carrot, male sterile, EMS.

TANGGAP JUMLAH BUAH PER POHON TERHADAP HASIL DAN KUALITAS BENIH EMPAT GALUR HIBRIDA MENTIMUN (Cucumis sativus ) Uun Sumpena
MEDIAGRO Vol 10, No 1 (2014)
Publisher : Universitas Wahid Hasyim

This experiment was done at Research Institute for Vegetable, from January to Juli 2013. The objective of experiment is to know the fruit number would give the best effect of production, viability and seed vigor of four cucumber lines. The experimental design was split plot with two replications in the field and three replications in the laboratory for seed. The treatments were two factors; the first was Lines (G); Lines 1 ( G1), Lines 2 (G2), Lines 3 (G3) and Lines 4 (G4). The second factor was fruit number per plant (t); fruit number per plant inbounded (t0) three fruit per stem (t1) six fruit per stem (t2) and nine fruit per stem (t3). Results of the experiment sowed that the interaction between fruit number per plan which is left with four cucumber lines. Hybrid line 1 results the highest seed weight per plant, as for hybrid line 3 results the highest seed weight per 1.000 grain, although have the same weight with hybrid line 2. Between cultivars were not significant in vigor of growth and vigor of keeping. The treatment of nine fruit per plant (t3) result the best yield of four cucumber hybrid lines and seed quality was the same treatment with three fruit per plant (t1) and six fruit per plant (t2). Keywords: Cucumber hybrid lines, fruit number, quality seed, yield

ALAT POLINASI DAN AKTIVITAS TERHADAP PRODUKSI BENIH BAWANG DAUN (Alium fistolosum) Uun SUMPENA
MEDIAGRO Vol 10, No 2 (2014)
Publisher : Universitas Wahid Hasyim

Experiment was conducted to find out number of pollination activities and material of artificial pollination on Spring onion seed production. A Factorial Design Randomized Block with 5 replication was set up. The treatments consisted of two levels of number of pollination activities (two and three time per weeks) and two levels of pollination artificial material (soft brush and gun sprayer) and control. Five treatments including control were studied. Research results showed that 3 time per week number of pollination activities with gun sprayer material of artificial pollination significantly increased total yield of Spring onion seed to rainy season in highland. Keywords: Number of pollination activities, pollination artificial, spring onion.

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