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All Journal JTCST (Journal of Tropical Crop Science and Technology)
Erfan Dani Septia
Universitas Muhammdiyah Malang
Agriculture, Biological Sciences & Forestry

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Climate Characterization Of Strawberry (Fragaria Sp.) Growth In The Greenhouse Sohnif Nurwicahyo Putra; Henik Sukorini; Erfan Dani Septia
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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Strawberries (Fragaria sp.) are a popular fruit and have high co mmercial value worldwide. Strawberry production continues to increase, but challenges related to temperature and environment affect fruit growth and quality. Temperature is a major factor in strawberry growth. Increased temperature can also affect fruit size, weight, and color, as well as sweetness. This study used a literature search method to analyze the impact of temperature and environment on strawberry growth. To overcome these challenges, the use of greenhouses is one of the appropriate techniques for climate engineering. Greenhouses create suitable temperature conditions and protect plants from adverse climatic conditions and can maintain optimal temperatures for strawberries. Nonetheless, it is necessary to consider the use of shading techniques in greenhouses. Relative humidity also plays an important role, and dehumidification techniques, such as dehumidification ventilation, are required to maintain optimal internal conditions.
Effectiveness Of Combination Application Of Grinting Grass (Cynodon Dactylon) Extract And Tumb Of Gadung (Dioscorea Hispida Dennst) Plant As An Attempt To Suppress The Intensity Of Mosaik Virus Vector Pest (Aphis Glycine) In Soybean (Glycine Max L.) Plants Fahmi Faishal Malik; Ali Ikhwan; Erfan Dani Septia
Journal of Tropical Crop Science and Technology Vol. 4 No. 1 (2022): VOLUME 4, NO. 1, MARCH 2022
Publisher : Universitas Muhammadiyah Malang

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A. glycine soybean infestation caused yield loss reaching 58%. Environmental friendly controls are carried out using natural ingredients. This study was conducted to determine the effectiveness of the combination of gadung and grass grinting tuber extracts on soybean virus (A. glycine) vector pests and to know the mechanism of toxicity to these pests. This research was conducted from June to September 2018. The effectiveness of applications using simple Randomized Completed Block Design (RCBD). Analysis of Varian at 5% level, and Duncan's Multiple Range Test (DMRT) test. Calculations of LC50 and LT50 use probit regression analysis. The results showed that the highest compounds contained in gadung tubers were alkaloids, whereas in grinting grasses were saponins. Both of these compounds have the potential as a base for vegetable insecticides. The combination treatment of gadung extract and grinting 3: 2 (v / v) (P7) and 3: 1 (P8) showed the most effective results compared to positive controls and other treatments with mortality mean values ​​at all observations of 87.44% and 86, 7%. The LC50 value of gadung extract at the first observation was 3%, the grinting extract was 3.08%. The lowest LT50 value is in treatment P7 (3: 2) with a time of 3.88 hours. a combination of gadung extract and grinting can suppress A.glycine infestation and potentially a plant-based insecticide
Co-Authors Ali Ikhwan Fahmi Faishal Malik Henik Sukorini Sohnif Nurwicahyo Putra