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All Journal Cropsaver : Journal of Plant Protection Jurnal Agrotek Tropika

Lindung Tri Puspasari

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Author-ID : 2470223

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Articles

Effect of Temperature, Storage Time, The Residual Test of Neem Oil Formulation (Azadirachta indica A. JUSS) and Bitung Formulation (Baringtonia asiatica) to Its Toxicity Against Large Cabbage Heart Caterpillar (Crocidolomia pavonana F) Neneng Sri Widayani; Afifah Nashirotul Haq; Lindung Tri Puspasari; Yusup Hidayat; Danar Dono
CROPSAVER Vol 1, No 1 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Effectiveness of pesticide affected by many factors such as physical environment and duration of storage. This study aims to determine the effect of temperature and storage time of formulation of neem 50 EC and residual effect of formulation of neem 50 EC and formulation of bitung 30 SC against C. pavonana larvae. The formulations tested on the experiment of effect storage time and temperature test using the newly prepared, neem formulation has been stored for 19 months at room temperature 24.6-31.7oC, and stored in low temperature (4oC) as well as controls. The toxicity of the neem oil formulation was tested at concentrations of 1%, 2%, and 3%. The experiment of residual effect was performed by spraying of the formulation on broccoli leaf, then the leaf samples were taken on days 0,1,2,3,5,7,9,11, and 13 days after application of insecticide. The results of the research indicated that storage at low temperatures (temperature 4oC) for 19 months can maintain the toxicity of the neem formulation to C. pavonana larvae. while storage at room temperature for 19 months resulted in a decreased toxicity. The residual activity of the neem formulations at concentration of 0.8% and 2.4% were not caused mortality of C. pavonana larvae at the residual age of 13.34 days and 14.66 days. The activity of Bitung formulation at concentration of 1.1% and 2.8% were not caused mortality of C. pavonana larvae at the residual age of 11.33 days and 16.26 days.

Bioactivity Formulation Of Leaf Extract Of Kalanchoe pinnata And Seed Of Azadirachta indica Against Spodoptera litura Hedi Paramita; Lindung Tri Puspasari; Yusup Hidayat; Rika Meliansyah; Danar Dono; Rani Maharani; Unang Supratman
CROPSAVER Vol 1, No 1 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

The aim of this research is to know the most effective concentration of liquid formulation of Kalanchoe pinnata leaf extract 50 EC and Azadirachta indica seed extract 50 EC against S. litura. The experiment was conducted at the Laboratory of Pesticides and Enviromental Toxicology, Department of Plant Pests and Diseases, Faculty of Agriculture, Universitas Padjadjaran. The concentration were tested of each formulation were 1%, 2%, 3 %, 4%,and control. The experiment arranged in completely randomized design (CRD) and replicated three times. The results showed that the formulation of A. indica seed extract 50 EC at concentration of 2%, 3%, and 4% effective against S. Litura larvae with mortality of 76.7%, 86.7, and 93.3% This formulation also causing a decrease in feeding activity, weight, and lenghten the development time of S.litura larvae. Unlike the case with liquid formulations of K. pinnata 50 EC extract which was less toxic and did not show significant differences in feed intake, weight of larvae, and development time of larvae compared control treatment. Keywords: Toxicity, mortality, growth dearragement, botanical insecticide.

Laboratory Evaluation of Neem formulation bioactivity against Crocidolomia pavonana F. larvae Raden Arif Malik Ramadhan; Neneng Sri Widayani; Lindung Tri Puspasari; Yusup Hidayat; Danar Dono
CROPSAVER Vol 1, No 1 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

This study aims to evaluate the bioactivity of the formulation of Neem 50 EC against Crocidolomia pavonana larvae in the laboratory. The study using six treatments and three replications. The treatment consisted of the formulation of neem 50 EC at concentrations of 0.3%, 0.5%, 0.8%, 1.3%, 2.3%, and control. The treatment was done by leaf feeding method and tested on C. pavonana instar II. The results of the research showed that the formulation of neem 50 EC at concentration of 2.3% caused mortality of C. pavonana larvae with mortality rate of 95% and has LC50 value aqual to 0.83%. Neem formulation can inhibit the development of C. pavonana larvae from instar I to instar IV, decrease food consumption, and decrease the dry weight of C. pavonana larvae instar IV.Keywords: Azadirachta indica, Bioactivity, Crocidolomia pavonana, neem formulation

INTENSITY OF COFFEE BERRY BORER (Hypothenemus hampei) (Ferrari) ATTACKS IN SEVERAL AREAS IN BANDUNG REGENCY Pebriani, Pitri; Yani Maharani; Lindung Tri Puspasari; Dedi Hutapea
Jurnal Agrotek Tropika Vol. 13 No. 3 (2025): JURNAL AGROTEK TROPIKA VOL 13, AGUSTUS 2025 (ON PROGRESS)
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

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Coffee Berry Borer (CBB), Hypothenemus hampei (Ferrari) is the main pest in coffee plantations. Initially, CBB attacks were only on lowland coffee (0-700 m asl), but currently highland coffee (above 1000 m asl) is not spared from this pest attack. The purpose of this study was to examine the intensity of CBB in several coffee plantation areas in Bandung Regency. Samples were taken from three coffee-producing locations, i.e., Cilengkrang District, Cimaung District, and Pangalengan District. Sampling using brocap traps and attack intensity through direct observation of the affected fruit. The identification was conducted at the Pest Laboratory, Faculty of Agriculture, Universitas Padjadjaran. Climatic conditions were recorded during the sampling period from July 2023 to June 2024. The results showed that the level of CBB infestation in coffee plantations in Bandung Regency was relatively low, with the highest infestation in the Cilengkrang area (21.36%), followed by Cimaung (13.09%), and the lowest in Pangalengan (8.32%). The catch of CBB in the Cilengkrang area showed the largest number, an average of 974,2 individuals per trap and the ratio of male to female sex is 1:10. In coffee fruits, the most common were larvae stage, averaging 5.93 individuals per berry. Coffee berry damage was generally higher in red fruits than in yellow and green fruits, even though the damaged seeds were only partially affected. PCA analysis indicated that humidity and temperature had a significant impact on the intensity of CBB in comparison to other factors.

Co-Authors Afifah Nashirotul Haq Danar Dono Dedi Hutapea Hedi Paramita Neneng Sri Widayani Pebriani, Pitri Raden Arif Malik Ramadhan Rani Maharani Rika Meliansyah Unang Supratman Yani Maharani Yusup Hidayat

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