Pest Management Handouts


Bacterial Blight (BB) – Tagalog

Mga pinsala sa halamang palay 1.    pagka‐lanta at pagka‐tuyo ng punla 2.    paninilaw at pagka‐tuyo ng mga dahon 3.    pagbaba ng ani Mga senyales at sintomas ng sakit 1.    Pagkakaroon ng sakit na ‘leaf blight’ Mayroong tila basa at kulay dilaw na markang pahaba sa mga dahon na maaaring magsimula sa mga dulo nito, na kalaunan ay humahaba at lumalapad, na may alon‐alon ang ...
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Bacterial Leaf Streak

Local name: naggapula (Ilonggo) Causal organism: Xanthomonas oryzae p.v. oryzicola (Fang et al.) Swings et al. Where to find: On leaves Symptoms: fine translucent streaks that enlarge lengthwise; coalesce (merging lesions ) form large brown affected leaves; later stage, entire leaf turns brown and withers Susceptible stage: tillering to maturity Note: wind-borne, present in lowland and upland fields Disease development ...
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Bacterial leaf streak

Disease development and severity is favored by: 1. Excessive nitrogen fertilization; 2. Injured leaves; and 3. High humidity, rain Management Use resistant varieties Balanced fertilization Reduce seedling damage Maintain shallow water in nurseries. Provide good drainage when there is flooding Keep fields clean Dry the fields. Allow fallow period to kill the bacteria Chemical control is not proven to be ...
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Beneficial Organisms 1

CRICKET Tagalog name: itim na kagaykay, kantitit Food: Eggs of striped stem borers, dark-headed stem borers, leaffolders, armyworms, whorl maggots, and nymphs of planthoppers and leafhoppers. LONG-HORNED GRASSHOPPER Tagalog name: tipaklong sa kaparangan Identifying marks: Adults and nymphs are green and aerial-borne. Antennae are longer than the body. The female ovipositor is frequently very long and curved. Nymphs do not ...
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Beneficial Organisms 2

1. MIRID Tagalog name: berdeng atangya Identifying marks: Adults are green with long folded wings and long antennae. Nymphs are also green, with long antennae, but with short wings. They have black spot on their back. They are usually seen at the base part of rice tillers where planthoppers and leafhoppers are also located. Their presence in rice fields can ...
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