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Cropsaver : Journal of Plant Protection

cropsaver
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Published by Universitas Padjadjaran

ISSN : - EISSN : 26215756 DOI : -

Core Subject : Science,

Biochemistry, Genetics & Molecular Biology

The objective of the CROPSAVER Journal is to present articles containing interesting and strategic issues. This journal discusses the discussion of articles with discussion rooms in the fields of plant pests and diseases, technology for pest control, taxonomy, insect physiology, biological insects, toxicology of pesticides, settlement pests that help research, research and research.

Arjuna Subject : -

Articles 17 Documents

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Search results for , issue "Vol 1, No 1 (2018)" : 17 Documents clear

Toxicity of four kind plant extracts (Ageratum conyzoides L., Barringtonia asiatica (L.) Kurz., Melia azedarach L., Tephrosia vogelii Hook F.) against brown planthopper (Nilaparvata lugens STAL.) Giannisa Febritami; N Usyati; Danar Dono
CROPSAVER Vol 1, No 1 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

One of the main pests that attack rice plants is the brown planthopper (BPH), Nilaparvata lugens. Awareness of the negative effects of synthetic insecticides that have been used to control BPH has encouraged the use of natural resources for crop protection. The plant is one of natural source that can be used in the crop protection. Some plant species that have been known to have insecticidal activities include Ageratum conyzoides (Asteraceae), Barringtonia asiatica (Lechytidaceae), Melia azedarach (Meliaceae) and Tephrosia vogelii (Fabaceae). In this study toxicity test of the plant extracts was carried out on BPH, and its phytotoxicity was observed in rice plants. In the toxicity test of the plant extracts against N. lugens and the phytotoxicity test on rice plants used 2 concentrations namely 0.1% and 0.5% from each plant extract, while the antioviposition test used a concentration of 0.5%. The results showed that the methanolic extract of T. vogelii with a concentration of 0.5% caused the highest mortality of brown plant hopper nymphs of 42.5% and at concentration of 0.5% the four plant extracts did not inhibit oviposition activity of N. lugens female and did not phytotoxic on rice plants.Keywords: Toxicity, anti oviposition, plant extract, brown planthopper

The effectiveness of soursop seed (Annona muricata L.) agains Callosobruchus maculatus F. (Coleoptera: Bruchidae) Rama Ginanjar Gilang; Nenet Susniahti; Danar Dono
CROPSAVER Vol 1, No 1 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Callosobruchus maculatus F. (Coleoptera: Bruchidae) one of the main pests that cause damage to mung beans in storage areas. This research was conducted to determine the effective dose from soursop seed (Annona muricata) powder resulting mortality and emphasizing the amount of imago on the first-generation C. Maculatus. This research was conducted at Plant Pest Laboratory, Department of Plant Pests and diseases, Faculty of Agriculture, Universitas Padjadjaran, Jatinangor using experimental method of Complete Random Design (CRD) with 6 treatments and 5 replications. The treatments were tested using 5 doses of A. muricata seed powder with 1 grams, 3 grams, 5 grams, 7 grams, and 9 grams doses, and added with control or without treatment. The results showed that the dose of 5 grams A. muricata seed powder showed the mortality of C. maculatus by 94% at 8 days after infestation, emphasizing the amount of eggs which is placed C. maculatus of mungbean seed 77,64%. Emphasis on the emergence of the first generation of imago in the mung bean seeds is 74.67%. The lowest of loss weight mung beed seed amount 1,33%.Keywords: Annona muricata, Callosobruchus maculatus, Soursop Seed Powder, Mortality

Population Fluctuations Oryctes rhinoceros L. Beetle in Plant Oil Palm (Elaeis guineensis Jacq.) Given Mulching Oil Palm Empty Bunch Hafiz Fauzana; Agus Sutikno; Destia Salbiah
CROPSAVER Vol 1, No 1 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Oil palm is a pre-eminent commodity in Indonesia, especially in Riau Province. The main pests that attack the oil palm is the pest of beetle Oryctes rhinoceros. The life cycle of pre-adult O. rhinoceros is on the ground, while the one that attacks the plant is the beetle stadia. The application of oil palm empty bunches (OPEB) to oil palm cultivation that functions as mulch and soil compost can improve the physical and biological properties of the soil, otherwise O. rhinoceros actually increases its population with OPEB application. The objective of this research is to know the population of O. rhinoceros in oil palm plantation given mulch of empty palm oil bunches. Research using survey method, observation done at PT. Adei Plantation & Industry. Observations made on the pradati with the size of the soil as a sample, to catch the adult beetles used ferotrap using pheromones as much as 5 ferotrap on 10 ha of land. Observations included the pre-adult population, the beetles population of O. rhinoceros, sex ratio, biomass, attack intensity. The results of research that has been done showsthat in the low adults population were the average of 8 tails per week, instar 2 most found was 15 tails. The population of beetles O. rhinoceros were the average of 23.8 tail / ferotrap / month. Population O. rhinoceros 1st week and 2nd, 3rd week decreased, lowest was at 4th week. The sex ratio of female and male beetles was 19.4: 4.4 or 4.54: 1. The intensity of O. rhinoceros attack was 11.72 ± 2.01% belonging to the category of minor attacks.Keywords: beetles O. rhinoceros, oil palm empty bunches, fluctuations, population.

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.

Effectiveness of Storage Time Formulation of Bacillus Thuringiensis Against Aedes aegypti Larvae (Linnaeus, 1757) Melanie Melanie; Mia Miranti Rustama; Inriyani Sintia Sihotang; Hikmat Kasmara
CROPSAVER Vol 1, No 1 (2018)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Aedes aegypti is known as the main vector of dengue fever in Indonesia which causes a high number of deaths and become an outbreak every year. This disease is generally controlled by breaking the life cycle of mosquitoes with restricted breeds and using synthetic insecticides. So far biological agents from natural enemies and natural pathogens have been developed to anticipate the negative effects of synthetic insecticides. Bacillus thuringiensis is well known as entomopathogenic bacteria that can control various insect pests of cultivated plants and vector insects, such as Ae.aegypti. B. thuringiensis can form endospores that produced toxin to Ae.aegypti, while the advatages are safe against non-target organisms such as natural predators and parasites, safe for mammals and humans and do not pollute the environment. Effective duration of B. thuringiensis in infecting Ae. aegypti is an important thing to be studied, moreover it is important to know the effectiveness of the expired formulation on the market and the residual effect. This ensures that the use of B. thuringiensis remains safe and does not create new problems such as Ae. aegypti resistance. The experimental research was used bioassay method, toxicity test was performed B. thuringiensis expired and non expire as comparison at concentration 0 ppm (control), 0,3 ppm; 0.1 ppm; 0.07 ppm; 0.05 ppm; 0.03 ppm; 0.01 ppm. The parameters observed were mortality for 48 hours of toxicity test that results were indicated by LC 50, LC90 and recidual values. The results obtained were LC50 and LC formulations B.thuringiensis expired 0.305 ppm and 1.513 ppm much higher than the non expire LC50 and LC formulations of 0.0363 ppm and 0.8971 ppm. The recidual effect of expired B. thuringiensis on larvae Ae. Aegypti was only effective until day 12, whereas B. thuringiensis that non expire formulation was effectively until day 14.Keywords : Ae. aegypti, B. thuringiensis, mortality, recidual values, expired formulation

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.

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

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