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การคัดเลือก Ecorace ไหมอีรี่เพื่อการปรับปรุงพันธุ์ Thai Agricultural
Duenpen Wongsorn; Siviali Sirimungkararat; Weerasak Saksirirat.
The selection of eri silkworm ecorace with high yield and distinct in morphological character is necessary for variety improvement. Five eri silkworm ecoraces, SaKKU1, SaKKU2, SaKKU3, SaKKU4 and SaKKU5 were surveyed and derived in country or from academic cooperation in international level. All ecoraces were cultured using castor leaves of TCO101 variety as food plant at 25±2 °C, 80±5%R.H. Based on morphological characters, there were similar except body of the 5th instar larva of SaKKU1 was covered with white powder and ripe larva showing shiny dominant yellow color. Life cycles were also similar durations, 46-53 days (SaKKU1), 42-53 days (SaKKU2), 42-52 days (SaKKU3), 40-56 days (SaKKU4) and 41-52 days (SaKKU5). SaKKU1 had highest survival rate at larval...
Tipo: PhysicalObject Palavras-chave: Ecorace eri; Samiaricini; Silkworm; Variety improvement; Screening; Morphological; Growth; Yields; ไหมอีรี่; แมลง; การปรับปรุงพันธุ์; การคัดเลือก; ลักษณะทางสัณฐานวิทยา; การเจริญเติบโต; ความแข็งแรง; ผลผลิต; การอยู่รอด.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5771
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การใช้ละหุ่งสายพันธุ์การค้าเพื่อเพิ่มผลผลิตไหมอีรี่ Thai Agricultural
Sivilai Sirimungkararat; Weerasak Saksirirat; Duenpen Wongsorn; Sumeth Maskhao.
Eri silkworm (Samia ricini D.) is an important wild silkmoth of world textile industry, this study experiments on the increasing yield of eri silkworm using 3 commercial lines of castor (Ricinus communis) TCO101, 207 and 208 in comparison with indigenous castor line (InL) and CaKKU1 line. The eri silkworm fed with each line had similar period of life cycle lasting 52-72 days. Survival percentage of eri silkworm when fed with castor TCO101 and CaKKU1 was the highest with 93.33% (larva-adult) and statistically different (P<0.05) to others. Using TCO101, the eri silkworm yields such as 5th instar larval weight, fresh cocoon weight, pupa weight, shell weight,percent of cocoon shell, total shell weight, fresh cocoon weight/10,000 larvae were 8.2530 g, 3.3799...
Tipo: PhysicalObject Palavras-chave: Castor; Commercial line; Varieties; Rearing; Eri silkworm; Egg yields; Survival percentage; Pupa weight; Shell weight; Hatching egg; ใบละหุ่ง; สายพันธุ์การค้า; พันธุ์; การเลี้ยงไหม; ไหมอีรี่; ผลผลิตไข่; เปอร์เซ็นต์เปลือกรัง; เปอร์เซ็นต์น้ำหนักรัง; เปอร์เซ็นต์ไข่ฟัก; น้ำหนักดักแด้.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5805
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พระเจ้าร้อยท่า (Heteropanax fragrans) พืชอาหารชนิดใหม่ เพื่อการเพาะเลี้ยงไหมอีรี่ในประเทศไทย Thai Agricultural
Sivilai Sirimungkararat; Weerasak Saksirirat; Duenpen Wongsorn; Chanapat Buamuangphia.
Comparison of eri silkworm rearing by using different major food plants, different lines of kesseru(Heteropanaxfragrans); Thai and Indian lines, and cassava Rayong 72 was conducted. The results showed that eri silkworm fed with kesseru leaves and cassava leaves has similar life cycles, 57-73 days and 53-73 days, respectively. Using Indian kesseru, larval (1-5 instar) and adult survival rates were 100%. Cocoon yield obtained from feeding with Rayong 72 was significantly higher (P<0.05) than feeding with both 2 lines of kesseru. However, average yields of fresh cocoon, pupa weight, %cocoon shell, total shell weight and fresh cocoon weight/10,000 larvae derived from cassava feeding were 2.2312 g, 1.9029 g, 14.37%, 9.52 g, and 22.31 kg, respectively, and...
Tipo: PhysicalObject Palavras-chave: Kesseru; India line; Thai line; Heteropanax fragrans; Cassava; Animal feeding; Rearing; Eri silkworm; Egg yields; Survival percentage; Pupa weight; Shell weight; Hatching egg; พระเจ้าร้อยท่า; สายพันธุ์อินเดีย; สายพันธุ์ไทย; มันสำปะหลัง; การให้อาหาร; ไหมอีรี่; ผลผลิตไข่; เปอร์เซ็นต์เปลือกรัง; เปอร์เซ็นต์น้ำหนักรัง; เปอร์เซ็นต์ไข่ฟัก; น้ำหนักดักแด้.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5818
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