Penyakit mosaik yang disebabkan oleh Cucumber mosaic virus (CMV) dan Chilli veinal mottle virus (ChiVMV) merupakan penyakit utama pada pertanaman cabai dan dilaporkan sudah tersebar luas di Indonesia. Penelitian bertujuan untuk mengetahui sebaran dan infeksi CMV dan ChiVMV pada cabai di Kabupaten Rejang Lebong, Bengkulu serta mengidentifikasi serangga yang diduga berperan sebagai vektornya. Penelitian dilakukan dengan mengumpulkan sampel tanaman cabai yang bergejala maupun tidak bergejala yang diambil secara diagonal pada tiap petak pengamatan di sentra sayuran Kabupaten Rejang Lebong. Keberadaan CMV dan ChiVMV pada sampel diuji secara serologi dengan DAS-ELISA. Hasil deteksi menunjukkan adanya infeksi ganda CMV dan ChiVMV di 3 lokasi dengan kejadian penyakit 20-50%. Kejadian infeksi ChiVMV (50-80%) di kabupaten Rejang Lebong ternyata lebih tinggi daripada CMV (20-50%), dan ditemukan di setiap lokasi survei. Serangga yang berhasil ditemukan di lokasi pengambilan sampel adalah Aphis gossypii.
Soybean is one of the secondary crops that has a good economic value. Soybean needs are increasing with increasing population, but production is not sufficient. Extensification programs can be carried out in sub-optimal swamp swamps with water saturated cultivation technology. Low pH and high Al and Fe are the main obstacles. One of the strategies taken is the provision of coral ameliorants. The aim of this study was to obtain information on the effectiveness of coral reefs to improve the cultivation of black soybean in swamp swamps. The study was conducted in March - May 2018 at the Experimental Garden of the Faculty of Agriculture, University of Ratu Samban Arga Makmur Bengkulu Utara. The study used a randomized block design with factorial patterns. The first factor in the dose of ameliorant per plant consisted of: P0: control, P1= 5 g, P2 = 6 g, P3= 7 g, P4= 8 g, P5= 9 g, P6= 10 g. The second factor when the ameliorant application consists of: W1= 4 weeks before planting (MBT), W2 = 3 MBT, W3 = 2 MBT, W4 = 1 MBT, W5= when planting, W6= 1 weeks after panting. The results showed that the treatment of the dose and time of application of coral ameliorants had a very significant effect on plant height and number of leaves. There is no real interaction between the dose and time of ameliorant application to all variables. The best dose of ameliorant treatment is 9 g per plant and can increase the height and number of leaves per plant. When the application of 1 MBT and 1 MST is able to produce the best height and number of leaves.
Correlation between growth characters and yield components in peatland]. Utilization of peatlands can increase the production of eggplant (Solanum melongena L.). In addition, it also carries out variety assembly to produce high yielding adaptive varieties on peatlands. The research objective was to see the relationship between growth characters and yield components of eggplant. The research was conducted in Medan Baru, Muara Bangkahulu District, Bengkulu City. The experiment was carried out using a randomized complete block design on one factor with 3 replications. The factor used the Bengkulu local eggplant variety. The results showed that the character of plant height was positive correlation and very significant to the character of dichotomous height and stem diameter. Flowering age was very significant positive correlation with harvest age and significant negative correlation with fruit weight per plant. Harvest age was very significant negative correlation with fruit weight per plant. Weight per fruit was very significant positive correlation with fruit length and fruit weight per plant. Fruit length was negative correlation with maximum fruit diameter and a very significant positive correlation with fruit weight per plant.
The sorghum plant is a multi-functional plant, namely as food, feed, organic fertilizer, and organic herbicide. As an organic herbicide, sorghum plants contain allelopathy. Water extracts derived from the leaf organs of sorghum ratoon plants are interesting things to study related to the effect of allelopathy on test plants. The research aims to determine the potential of extracts derived from the leaf organs of ratoon plants of several sorghum varieties produced on inceptisols land as organic herbicides. The research was conducted from March to September 2022 at Kandang Mas, Kampung Melayu District, Bengkulu City (preparation of ratoon plants). In May 2023 at Bentiring Permai, Muara Bangkahulu District, Bengkulu City (bioassay test). The study used a single-factor, completely randomized design. The treatment of extracts derived from leaf organs, the level is control, leaves of ratun plant variety Numbu, leaves of ratun plant variety Super 1, and leaves of ratun plant variety Super 2. Using the bioassay method in Petri dishes repeated four times. Each petri dish was given 10 ml of extract, sown with 20 mung bean seeds of Vima 3 variety, and incubated for three days. The results showed that the water extract from the leaf organ of the ratoon plant variety Super 1 produced the highest inhibition against the test plant. The leaf organ of the sorghum ratoon plant variety Super 1 has better potential as an organic herbicide
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