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The Effectiveness Test of Essential Oils to Control Fruit Fly (Bactrocera sp.) on Crystal Guava (Psidium guajava L.) Finda Luthfia Helmawan; Sri Mursiani; Erfan Dani Septia
Journal of Tropical Crop Science and Technology Vol. 5 No. 1 (2023): VOLUME 5, NO. 1, MARCH 2023
Publisher : Universitas Muhammadiyah Malang

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This Crystal Guava was introduced in Indonesia in 1991 by the Taiwan Technical Mission. Various attempts have been made to achieve maximum productivity results, but these efforts have not been fully successful due to constraints such as pest attacks. Pests that attack crystal guava fruit are fruit fly pests. Fruit fly pests are pests that damage plants, especially types of horticultural crops, especially fruit and vegetable plants. Fruit fly attacks in Indonesia reach 50% and when the fruit fly population is high, the attack intensity can reach 100%. The purpose of this study was to find out the types of plant extracts that are effective and effective in attracting fruit flies in pest control, to find out the optimal concentrations to attract fruit flies in pest control in guava crystals and to find out the best time to apply extracts to attract flies. fruit in pest control on crystal guava plants. The data obtained from this study were presented in a factorial randomized block design (RBD) with 3 factors. This study consisted of 27 treatment combinations and 1 control with 3 repetitions and each treatment in one repetition there were 5 samples. Observational data were analyzed using Analysis of Variance (ANOVA) and interpretation of the data was carried out by further testing using the Honest Significant Difference (HSD) test at 5% level and orthogonal contrast test.

Production Test Of 5 Watermelon Variety Candidates (Citrullus Lanatus (Thunb.) Matsum. & Nakai) F1 Hybrida Result Of Assembly Against 4 Comparing Varieties Ikrom Tri Cahya Putra Romadhani; Erfan Dani Septia; Sri Mursiani
Journal of Tropical Crop Science and Technology Vol. 5 No. 1 (2023): VOLUME 5, NO. 1, MARCH 2023
Publisher : Universitas Muhammadiyah Malang

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Watermelon (Citrullus lanatus) is a widely consumed and cultivated fruit in Indonesia, cherished for its numerous benefits, high economic value, and short plant life. To enhance watermelon quality, plant breeding is employed, aiming to develop superior hybrid varieties. This study, conducted between September and November 2022 on PT. Aditya Sentana Agro's experimental land, evaluated candidate hybrid watermelon varieties (codes 3078, 3079, 3080, 2844, 2845) against comparison varieties (Winda, Mardi, Black Panther, Palguna). Using Randomized Complete Block Design (RCBD) with one genetic factor at 9 levels, repeated 3 times, a total of 27 experimental units were established, each consisting of 10 plants, summing up to 270 plants. Qualitative variables such as fruit skin color, pattern color, flesh color, and shape, along with quantitative variables like fruit weight, length, diameter, dissolved solids, flowering day, skin thickness, and percentage of fruit damage, were observed. The research revealed variations in fruit weight, length, diameter, dissolved solids, and flowering day among the different varieties. Promising candidates for new varieties were identified as codes 2845 and 3078 based on these quantitative traits. This study contributes valuable insights into the potential advancements in watermelon breeding, emphasizing the importance of selecting varieties with desirable characteristics for improved agricultural outcomes.

Effect Of Young Coconut Water Concentration On Bud Chip Germination Phase On Several Parts Of SugarCane (Saccharum Officinarum L.) Stems Alfarizi Arinta Rury Puspitasari; Machmudi; Erfan Dani Septia; Rifqi Ahmad Alfarizi
Journal of Tropical Crop Science and Technology Vol. 5 No. 2 (2023): VOLUME 5, NO. 2, OCTOBER 2023
Publisher : Universitas Muhammadiyah Malang

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The germination phase of sugarcane is a pivotal stage crucial for successful cultivation. Seeds derived from six to eight-month-old gardens, obtained from protrusions of sugarcane stems, are employed. These seeds exhibit characteristics of dormant buds, contributing to their suitability for germination. A single sugarcane stem typically harbors a minimum of 13 buds, and the selection of seeds with 2-8 eyes per spike is customary among farmers. However, excessive bud usage may lead to abnormal seed growth, underscoring the importance of careful selection. The study employs the rase cage test system, dividing the sugarcane stem into upper, middle, and bottom sections to determine the optimal bud quantity in each treatment. The research investigates the response of different parts of sugarcane bud chip stems to varying concentrations of coconut water growth regulator during germination. Utilizing a factorial randomized block design, the study comprises two factors: Bud chip (BA: Upper Stem, BT: Middle Stem, BB: Bottom Stem) and coconut water growth regulator concentration (Z1: 25%, Z2: 50%, Z3: 75%, Z4: 100%). Positive control involves Agrogibb at a concentration of 120 ppm, with all treatments soaked for six hours. Conducted at the Indonesian Sugar Plantation Research Center on January 10, 2023, the study reveals that the BBZ1 treatment significantly affects the observed parameter of shoot emergence, with an average of 8.1 days. Conversely, the BAZ1 treatment exhibits the fastest and most efficient shoot emergence, with an average of 5.1 days, outperforming other treatments. These findings underscore the importance of careful selection and treatment in the germination phase for optimal sugarcane productivity.

Characterization And Reults Test Of 10 Genotypes Of Gambas Plant (Luffa acutangula (L.) Roxb.) Rivana Alsya Firrizqi; Erfan Dani Septia; Machmudi; Wahyono Wijaya
Journal of Tropical Crop Science and Technology Vol. 5 No. 1 (2023): VOLUME 5, NO. 1, MARCH 2023
Publisher : Universitas Muhammadiyah Malang

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The ridge gourd plant (Luffa acutangula L.), native to India, thrives in Southeast Asian countries, including Indonesia, and holds significant value in traditional medicine. This study, conducted from September to December 2022 on PT Aditya Sentana Agro's experimental land, aimed to identify superior genotypes with high yield potential for ridge gourd production. Employing a Completely Randomized Group Design with one factor (genotype) and three replications, the research focused on qualitative (e.g., stem and leaf characteristics, flower and fruit attributes) and quantitative variables (e.g., leaf width, stem dimensions, flowering and harvest age, fruit dimensions, weight, yield, and storability). Notable findings include variations in fruit skin color as a qualitative trait. In terms of quantitative traits, certain variables such as leaf width, male flowering age, harvest age, fruit diameter, fruit length, and weight per fruit did not exhibit significant differences among genotypes. To enhance ridge gourd production, the study suggests the development of varieties with high yields and early maturation. This could contribute to the plant's adaptability in both highland and lowland environments. The comprehensive evaluation of qualitative and quantitative traits provides valuable insights for selecting the best candidate varieties to improve ridge gourd cultivation and productivity.

Application Of Dosege And Interval Of Fertilizer On Kale (Brassica oleracea var. Acephala) Intan Okta Praciska; Agus Zainudin; Erfan Dani Septia
Journal of Tropical Crop Science and Technology Vol. 3 No. 1 (2021): VOLUME 3, NO. 1, MARCH 2021
Publisher : Universitas Muhammadiyah Malang

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The research aimed to explore the impact of vermicompost fertilizer dosage and application timing on kale (Brassica oleracea var. Acephala) varieties. Conducted in Sukoharjo Village from July to September 2020, the study implemented a Randomized Complete Block Design with two factors: vermicompost dosage (D0: NPK 2 g/plant/untreated, D1: 250 g/plant, D2: 500 g/plant, D3: 750 g/plant) and application time (T1: planting, T2: 7 days after planting, T3: 14 days after planting). Analysis revealed no interaction between dosage and application time. Doses of 250 g (D1), 500 g (D2), and 750 g (D3) significantly differed in plant height, leaf number, stem diameter, leaf area, and fresh and dry weights. Notably, the application time at planting (T1), 7 days after planting (T2), and 14 days after planting (T3) significantly affected leaf number. In conclusion, the study found no interaction effect between vermicompost dosage and application time on kale. Doses of 250 g, 500 g, and 750 g exhibited significant differences, impacting plant growth and dry weight. Application times at planting, 7 days after planting, and 14 days after planting significantly influenced leaf number. These findings emphasize the importance of proper dosage and timing for optimizing kale growth with vermicompost fertilizer, contributing to sustainable agricultural practices.

Characterization And Yield Testing Of Two Prospective Varieties And Three Comparative Varieties Of Kyuri Cucumber (Cucumis Sartivus L.) In The Highlands Muhammad Rizki Ana Putra; Agus Zainudin; Erfan Dani Septia; Anik Widya Astutik
Journal of Tropical Crop Science and Technology Vol. 5 No. 2 (2023): VOLUME 5, NO. 2, OCTOBER 2023
Publisher : Universitas Muhammadiyah Malang

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Cucumber (Cucumis sativus L.) is one type of vegetable from the cucurbitaceae family that has been grown by farmers in Indonesia. The research was conducted for 4 months from September 23 to December 13, 2022 in one of the experimental fields owned by PT Aditya Sentana Agro. The purpose of this study was to determine whether the 2 candidate varieties CI-88 and CI-87 of kyuri cucumber tested would show significant differences in characters from 3 comparison varieties F1 MK 01, F1 MK 02, F1 MK 03 and to determine whether the results obtained from the 2 candidate varieties CI-88 and CI-87 of kyuri cucumber to be used as varieties and produced. This study consisted of 2 genotypes of hybrid variety candidates CI-88 and CI-87 and 3 comparison varieties namely F1 MK 01, F1 MK 02 and F1 MK 03 which were used as treatments. The three comparison varieties were used because they were in high demand in the market so that they had a high selling value and had a good response from farmers. Qualitative characteristics observed were stem shape, leaf shape, flower color, fruit shape, fruit skin color, fruit flesh color, and fruit taste test. The results of observations of qualitative character traits are presented in the form of tables and picture documentation. The results of quantitative characterization observations include stem diameter, fruit weight per plant, fruit weight per fruit, fruit diameter, fruit length, number of fruits per plant, leaf width, leaf length, age from flowering and age from harvest. The results of the two candidate varieties tested have the opportunity to be developed and registered as new varieties because the results obtained are comparable to the comparator varieties already on the market..

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