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題 名 | 飼料玉米新品種臺南20號之育成=Breeding of Feed Corn Hybrid "Tainan No.20"[fec1] |
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作 者 | 曾清田; 陳振耕; | 書刊名 | 臺南區農業改良場研究彙報 |
卷 期 | 35 1998.12[民87.12] |
頁 次 | 頁1-13 |
分類號 | 434.11 |
關鍵詞 | 飼料玉米; 雜交種; 區域性試驗; 子實產量; 抗病蟲性; Feed corn; Hybrid; Regional yield trial; Grain yield; Disease and inseet pest resistance; |
語 文 | 中文(Chinese) |
中文摘要 | 飼料玉米新品種台南20號命名前代號為PGH 83-16,屬單雜交種,其系譜為P 79×CN 119-1-1,母本P79為自美國Pioneer種子公司引進綜合品種Comp.#1,分離篩選及抗病蟲檢定育成之自交系,屬黃色硬粒種(flint),具有抗露菌病、莖腐病、病毒病、�蚽f(包括普型及南方型�蚽f)及抗螟等特性。父本CN119-1-1係從美國Dekalb種子公司引進雜交種Tx 602分離篩選培育之自交系,為黃色馬齒種(dent)具有抗莖腐病及普通型�蚽f等特性。PGH 83-16 於83年春作選育出,經選拔參加新品系產量比較試驗,全省性區域試驗、氮肥與栽培密度試驗、抗病蟲性檢定、籽實營養成份分析及莖稈硬度測試。各項試驗、檢定、分析及測試結果顯示PGH83-16籽實產量高且穩定,對各重要病蟲害(包括露菌病、莖腐病、病毒病、普通型及南方型�蚽f及玉米螟)均具抗性,營養值高,莖稈粗壯強硬,適合機械採收。本品種在全省主要玉米產區均適合栽培,每公頃推荐株數47,619∼53,333株,行距以75公分,株距以25∼28公分為宜,避免密植致植株徒長影響產量。施肥量:N:150∼200公斤╱公頃;P2O5:70∼90公斤╱公頃;K2O:60∼90公斤╱公頃。新品系PGH 83-16於1998年元月2日經農林廳召集之作物新品種審查會通遇,命名為「台南20號」。 |
英文摘要 | Tainan No. 20 is a single cross hybrid of feed corn. It was coded as PGH 83-16 before registration. Its pedigree is P 79×CN 119-1-1. The maternal line P 79 was bred from a composite of Pioneer Seed Company and has yellow flint kernel. It is characterized with highly resistance to downy mildew Peronosclerospora sacchari, stalk rot Pythium aphanidermatum, maize dwarf mosaic virus (MDMV-B), common rust Puccinia sorghi and moderate resistance to both suthern rust P. polysora and the Asian corn borer Ostrinia furnacalis Guen'ee. The paternal line was developed from a hybrid Tx 602 of Dekalb Seed Company and has yellow dent kernel. It is endowed with moderate resistance to stalk rot, common rust. Since being selected out in Spring crop, 1994, PGH 83-16 was recommended to participate in the islandwide yield trial effect tests on nitrogen fertilizer and plant density resistant evaluation to major disease and insect pests, chemical analysis for nutrition in kernel and evaluation on stalk strength. The data collected from the above tests indicated that PGH 83-16 is characterized with stably high-yielding ability, resistance to downy mildew, stalk rot, MDMV-B, rust disease, corn borer and strong stalk quality. These revealed that PGH 83-16 is suitabe for cultivation in the major corn production areas in islandwide. After being fully examined by the meeting of the new Crop Cultivar Registration Committee convened by the Department of Agriculture and Forestry, Taiwan Provincial Government, PGH 83-16 was named as "Tainan No. 20" on January 2, 1998. The proper plant density for Tainan No. 20 is ranged from 47,619∼53,333 plants per hectare. (distance between rows is 75 cm, between hills within row is from 25∼28 cm). The recommeded amount of N.P.K. fertilizer per hectare is 150∼200 kg, 70∼90 kg, and 60∼90 kg, respectively. |
本系統中英文摘要資訊取自各篇刊載內容。