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| Pheophanh Soysouvanh; Nutcharee Siri. |
| Four cassava varieties, Kasetsart 50, Huay Bong 60, Rayong 9 and Rayong 72 were observed for mealybug in a survey that was conducted in Kalasin Province, Khon Kaen province and Udon Thani Province from November 2011 to September 2012. The infestation of pink mealybug was counted in five levels, 0 level 0 mealybug, 1st level (1-9), 2nd level (10-99), 3rd level (100-999) and 4th level (≥1,000). On the other hand, leaf curl level was categorized into five scores as follows; margin declined slightly was categorized at normal was categorized at level 0, margin declined slightly at level 1, shoot stunted at level 2, shoot distorted at level 3 and leaves fall at level 4. Rayong 72 variety showed the highest population of mealybug at 25.5% (MbL1) and 22.5 % (MbL2)... |
| Tipo: PhysicalObject |
Palavras-chave: Cassava; Manihot esculenta; Kasetsart 50 variety; Huay Bong 60 variety; Rayong 9 variety; Rayong 72 variety; Natural enemies; Pink mealybug; Phenacoccus manihoti; Cassava mealybug; Pest survey; Population abundance survey; Northeast; มันสำปะหลัง; พันธุ์เกษตรศาสตร์ 50; พันธุ์ห้วยบง 60; พันธุ์ระยอง 9; พันธุ์ระยอง 72; ศัตรูพืช; เพลี้ยแป้ง; การสำรวจศัตรูพืช; ภาคตะวันออกเฉียงเหนือ. |
| Ano: 2013 |
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5816 |
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| Anothai Wingsanoi; Nutcharee Siri. |
| Infestation of chili fruit fly, Bactrocera latifrons was investigated on 3 chili species, 8 commercial varieties (CV); Capsicum annuum L., (CV Yuyi 80, Num Khao Donyang, Yodson Khem 80, Num Keowtong 80, KKU-P31115 and Jindanil 80), Capsicum frutesence L., (CV Kee Noo Hom KKU 40) and Capsicum baccatum L., (CV KKU-P33032) at the National Biological Control Research Center, Khon Kaen University during March to June 2009. The percent damage in C. annuum was higher than C. frutesence and C. baccatum. The highest numbers of fruit fly were found in CV Num Khao Donyang variety, (21.25 pupae/fruit), follow by CV Yuyi 80 (20 pupae/fruit). However, Yuyi 80 showed the highest damage (43.04 %). The infestation was found during fruiting to harvestingstage with all fruit... |
| Tipo: Collection |
Palavras-chave: Bactrocera latifrons; Chili Fruit Fly; Chili cultivars; Chili fruit; Infestation; พริก; พันธุ์พริก; ผล; การเข้าทำลาย; แมลงวันพริก; ความเสียหาย; การควบคุมแมลงวัน. |
| Ano: 2011 |
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5285 |
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