Background: The purpose of this research was to evaluate the growth and bulb yield of shallot (Allium cepa L.) varieties grown by TSS with different population.Methods: This study was carried out in the low dry land at Laleten Village, Malaka District, NTT Province, Indonesia, from March to August 2018. We investigated different plant populations per planting hole using a split-plot design with two factors and four replications. The main plot was the varieties (Trisula and Bima Brebes) and the subplots were the seedling population (100, 200 and 300 plants/m2).Result: There was no interaction between varieties and population for any of the measured parameters. The population only affected the plant height at the beginning of plant growth. A high plant population (300 plants/m2) gave the highest production of single bulbs but was negatively correlated with the bulb weight. Trisula variety produced significantly more single bulbs than the Bima Brebes one. The establishment of the TSS-adapted varieties could be recommended in this area.
Application of chemical pesticides may cause significant negative impact on production and quality of Chili. Therefore, implementation of friendly environmentally based cultivation practiced is absolutely needed. The purpose of this research was to evaluate the growth and the yield of chili (Capsicum annuum L.) varieties grown by using three cultivation practices. This study was conducted in Bengkayang region, West Kalimantan Province, Indonesia, from August 2019 to February 2020. A Nested Factorial Randomized Block Design with three replications was arranged. The subplots were the commercial chili varieties (Lingga, Kencana, and Leket as a local one) and main plot were cultural practices, i.e., CO: friendly environmental-based technology (i.e., increased plant population from 20.000 to 30.000 plants/ha, the using of biopesticides, trapping, and maize as barrier plant; CP: recommended technology (CO + a recommended pesticides), and CF: farmer technology-based. The results showed that the plant height of Leket on CO treatment was the best until eight weeks after planting; whereas the widest plant canopy was found in the Lingga. More than 30% of plants were attacked by pests and diseases that cause curling leaves. The Leket was the most sensitive to curl (40%); on the other hand, CO treatment decreased this symptom by 5.5%. In terms of yield, the Kencana produced the highest fruit number per plant (142), and the CP treatment had the most harvest frequency. Percentage of ripe fruit weight loss after one week of storage was about 12-22% with the most severe was Lingga. In this area during the rainy season, the highest potential yield was on the CO treatment (17.5 tons/ha). These results indicated that environmentally friendly cultivation on chili could be developed in this season.
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