DASAR-DASAR PERLINDUNGAN TANAMAN

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DASAR-DASAR PERLINDUNGAN TANAMAN TEKNIK PENGENDALIAN

TEKNIK PENGENDALIAN CARA MEKANIS HAYATI KIMIA TEKNIK PENGENDALIAN TANAMAN KULTUR RESISTEN TEKNIS FISIK PERATURAN

Pengendalian Fisik dan Mekanik Tindakan yang dilakukan dengan tujuan secara langsung dan tidak langsung : Mematikan OPT Mengganggu aktivitas fisiologis Memodifikasi lingkungan sehingga kurang sesuai bagi perkembangan OPT

Pengendalian Fisik Cara ini lebih mengacu pada pemanfaatan dan memodifikasi faktor lingkungan fisik untuk mencegah atau meminimalkan masalah OPT

Pengendalian Fisik Perlakuan Suhu dan Kelembaban Lampu Perangkap Gelombang suara Penghalang dan Barier

Perlakuan Suhu dan kelembaban Tindakan ini dapat mempengaruhi penyebaran, fekunditas, kecepatan perkembangan, lama hidup dan mortalitas OPT. Biasanya sangat berhasil diterapkan dalam ruang tertutup

Penggunaan Lampu perangkap Beberapa serangga hama dapat tertarik dan terperangkap dengan cara ini, namun cara ini tidak terlalu spesifik

Penghalang atau Barriers Penghalang sangat efektif mencegah serangan OPT, seperti meninggikan pematang, lembaran plastik sebagai pagar keliling, pembungkusan buah dan lain-lain. Cara ini lebih menekankan aspek pencegahan

Pengendalian Mekanik Cara ini bertujuan untuk mematikan atau menghilangkan OPT secara langsung baik dengan tangan atau bantuan alat dan bahan lain

Pengendalian Mekanik Pengambilan dengan tangan Gropyokan Memasang perangkap Pengusiran Cara lain

Pengambilan dengan tangan Pengumpulan kelompok telur, ulat, kumbang, atau bagian tanaman terserang mis. rogesan untuk penggerek pucuk tebu

Gropyokan Biasanya dilakukan untuk pengendalian tikus. Agar berhasil harus dilakukan saat sawah bero dan dilakukan secara masal dan terkoordinasi

Memasang perangkap Perangkap serangga berguna untuk mendeteksi dan pengelolaan. Ada banyak jenis perangkap spt. yellow sticky trap, pheromone trap, pitfall dll.

Pengusiran Sasarannya adalah mengusir hama yang ada di pertanaman atau yang sedang menuju ke pertanaman. Banyak cara misal memasang orang-orangan di sawah, menciptakan suara gaduh

Cara lain Teknik lain disini termasuk menggoyang-goyang pohon, menyikat, mencuci, memisahkan bagian tanaman terserang, memukul, menggunakan alat penghisap serangga dll.

Manipulation of cultural practices to the disadvantage of the pest Cultural Controls Manipulation of cultural practices to the disadvantage of the pest

Cultural Control Soil Preparation and Nutrition Sanitation Plant selection Rotation Planting dates Multiple Cropping/ Mix Cropping Interplantings Trap crops

Soil Preparation and Nutrition Healthy soil encourages healthy, unstressed plants. Proper pH and fertilization are important. Uncomposted organic matter can encourage pests.

Soil Preparation and Nutrition Plants with adequate nutrition can grow more vigorously, allowing them to better tolerate pest damage or to compete better with weeds Soil cultivation can kill pests by exposing them to sunlight, predators and injuring them

Sanitation Removal of rubbish, infested or decaying matter as well as crop residues from around and in fields can often eliminate breeding sites for pests Cleaning equipment before moving from infested areas

Plant Selection Using seeds and planting materials which are free of weed seeds, insects and diseases. Buy plants from reputable sources and choose resistant cultivars when possible.

Crop Rotation Planting similar crops in successive years tends to increase pest problems.

Crop Rotation Works on a limited number of pests, by replacing the host plant with another crop for a period of time, allowing the pest population to be reduced due to lack of a host.

Crop Rotation For this strategy to work: The pest can not be highly mobile The host range of the pest can not be wide The source of the pest must be within the field The pest must not be able to survive in the soil for a long period of time

Planting Dates Some pests can be avoided by planting a crop before a pest moves into the area. Some root rot and germination problems can be avoided by later plantings.

Multiple Cropping / Mixed Cropping Growing a variety of crops together in the same location: Increases the habitat for pest predators Limits the number of food plants for specific pests

Interplantings Avoid placing all plants of one kind together. Alternate groups of different plants within rows or patches.

Trap Crops Plant a crop that is more attractive to a pest than the one you intend to grow. Crops which are planted to attract pests away from the main crop Then treat the pest on the infested decoy plants.

Cultural Controls Low cost (in most cases) Advantages Low cost (in most cases) Effects on non-target organisms low No Toxicity or residue problems Disadvantages Not always applicable May not be sufficiently effective Usually preventive in nature, so it requires planning May interfere with normal cultural operations

Plant Resistance The use of species or varieties of plants that can grow and produce despite the presence of the pest.

Methods of Plant Resistance Use of crop varieties which resist pest attack or damage Use of varieties which inhibit pest attack through toxic or repellent compounds or through physical factors such as color or toughness Use of varieties which have a high tolerance to pest damage

Plant Resistance Disadvantages Advantages No harmful effects on natural enemies of pests or other non-target organisms No toxicity or residue problems Can be a permanent solution Disadvantages Pest resistant varieties or species of cultivated plants not available for all pests Level of control may not be sufficient Discovery and development is slow Resistant varieties may not be agronomically acceptable Always preventative in nature and thus require forward planning

Biological Control The use predators, parasites, pathogens, and competitors to control pests

Types of Biological Control Conservation of a naturally occurring enemies of pests: Not performing practices, such as use of a broad spectrum insecticide, which could damage the naturally occurring biological control organism. Also, providing a favorable site for the development of a biological control organism.

Types of Biological Control Classical Biological Control: Introduction of a biological control organism. Examples of this include introducing a predator of an insect pest or planting a cover crop or living mulch to compete with weeds Augmentation: Applying the natural enemies of a pest as a biological pesticide.

Biological Control Advantages Disadvantages Low cost Has the potential to be permanent Not harmful to non-target organisms No toxicity or residue problems Disadvantages Not always applicable Level of control may not be sufficient Research costs are high and may not produce results

Chemical Control The use of toxic substances or pesticides to kill or repel pests

The decision to use a pesticide should be based on: information obtained from monitoring/scouting knowledge of thresholds an awareness of potential benefits and risks associated with a treatment

Questions to be thought through carefully before using a pesticide: Is the pest you want to control listed on the pesticide label? Does the label state that it controls the pest or does it suppress the pest? Are you familiar with the relevant university research and recommendations? Is the recommended rate of application economical for your operation?

Questions continued Is the pesticide a restricted use product? How toxic is the pesticide? dermally? orally? Does the pesticide have the potential to contaminate ground water, even when label recommendations are followed? Will the use of this pesticide expose humans to health or safety risks Will use of this pesticide threaten wildlife populations?

Chemical Control Advantages Applicable to most pests Curative in effect Grower may apply when and where required Enable high levels of control of most pests to be achieved, so that Non-blemished produce Disadvantages May harm natural enemies and other non-target organisms Resistance to the pesticide can develop Often toxic to users and may present residue problems Costs are high and recurring as control is not permanent

KARANTINA (PENGATURAN)