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²Ê³J¥Õ½è¡G¤ÀªR¤èªk¦P·s«~¨t¤ñ¸û¸ÕÅç¡C
²ÊÅÖºû¡G¼Ë«~¥h°£¤ô¤À»P¯×ªÕ«á¡A¸g®z»Ä³B²z¡A°£¥h¤@³¡¥÷Protein Hemicellulose¤Î¥þ³¡Sugar»PStarch«á¡A¦A¸g®zÆP³B²z°£¥h³Ñ¾lªºProtein Hemicellulose»P³¡¥÷lignin¡A³Ñ¤U¤£·»ª«¥]¬AÅÖºû¡Blignin»P¦Ç¤À¡A¸g¹LÃy¤Î¦Ç¤Æ¥¢¥hªº«¶q§Y¬°²ÊÅÖºû¡C
²ÊÅÖºû¡]¢H¡^¡×
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²Ê¯×ªÕ¡G¼Ë«~©ñ¤J105¢JÃyµ©°®Àê4¤p®É¡A¥[¤J¤AîÅ®ûº{«á¡A°j¬y¤J¯×ªÕ±µ¨ü²~¡A¦A¸m©ñ©ó70¢J¤ô¼Ñ¡A³sÄòµÑ¨ú16¤p®É¡A©ñ¤J¯M°®½c°®Àê3¡ã4¤p®É«á¯¯«¡A¦A©ñ¤J¯M°®½c30¤ÀÄÁ¡A¤ÏÂоާ@ª½¦ÜÀò±o³Ì§C¯×ªÕ¶q¡C
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¡@¡@¥x«n21¸¹¡]©R¦W«e¥N¸¹PFH 83-9¡^¬°³æÂø¥æ«~ºØ¡C¨ä¨tÃЬ°¡GP-1212¡ÑCI-8122¡A¥À¥»P-1212«Y¦ÛPioneerºØ¤l¤½¥q¤Þ¶i«~ºØPioneer 3208¤ÀÂ÷¿ï¨|¥X¤§¦Û¥æ¨t¡AÄݷűa«¬²H¶À¦â¥bµwºØ¡C¤÷¥»CI-8122¬°¥Ñ¾¥¦èô°ê»Ú¥É¦Ì¤Î¤p³Á§ï¨}¤¤¤ß¡]CIMMYT¡^¤Þ¶iºî¦X«~ºØMcy-51¸g¤ÀÂ÷¯Â¤Æ°ö¨|¤§«~¨t¡AÄݼö±a«¬¥Õ¦â°¨¾¦ºØ¡C¨â¿Ë¥»¥Dn¹AÃÀ¯S©Ê¥Ü¦pªí1¡A¥Ñªí¥iª¾¥À¥»¶}ªá´Á¤Î¦Rµ·´Á¸û¤÷¥»¦1¢w2¤Ñ¡A¤÷¥»®è°ª¤ÎÁJ¦ì°ª¤ñ¥À¥»¤À§O¦h¥X5¤½¤À»P16¤½¤À¡C¤½³¼¤l¹ê²£¶q¥À¥»3,429¤½¤ç¡A¤÷¥»3,000¤½¤ç¡C¥À¥»¨ã¦³§ÜÅSµß¯f¡B´¶³q«¬ùׯf¡B¥®]´Á«n¤è«¬ùׯf¤Î½ü¥Í´Á¿Á®`µ¥¯S©Ê¡A¤÷¥»¨ã¦³§ÜÅSµß¯f¡B²ô»G¯f¤Îùׯf¡]¥]¬A«n¤è«¬¤Î´¶³q«¬ùׯf¡^µ¥¯S©Ê¡C
| ¿Ë¥» Parental Line |
GDDa/ | ®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
¬ó¹ê¦æ¼Æ Kernel row per ear (row) |
¦Ê²É« 100 kernel weight (g) |
¬ó¹ê²£¶q Grainyield (kg/ha) |
||
|---|---|---|---|---|---|---|---|---|
| ¶}ªá´Á Days to tassel |
¦Rµ·´Á Days to silk |
¦¨¼ô´Á Days to maturity |
||||||
| ¥À¥» P-121 |
516 | 531 | 847 | 165 | 86 | 16 | 18.7 | 3,429 |
| ¤÷¥» CI-8122 |
536 | 546 | 852 | 170 | 102 | 16 | 18.0 | 3,000 |
a/ GDD¡]¦³®Ä¿n·Å¡^¡×
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¤G¡Bµ²¦X¤OÀË©w¡G
“Ƥ@¯ëµ²¦X¤OÀË©w¡G¤@¯ëµ²¦X¤OÀË©w¸ÕÅçµ²ªG¡Aªí²{¸ûÀu8²Õ¦X¦¨ÁZ¦C¦pªí2¡AÅã¥ÜP-1212¡Ñ¥x«n¿ï10¸¹²Õ¦X¤½³¼ÂA¯ó²£¶q73,417¤½¤ç³Ì°ª¡A¸ûXL678¡]CK1¡^¤Î¥x«n19¸¹¡]CK2¡^¤À§O¼W²£16¢H¤Î30¢H¡A®è°ª¤ÎÁJ¦ì°ª¾A¤¤¡A©Êª¬¾ã»ô¡C¸´³¯f¡Bùׯf¤Î²ô»G¯f¿©¯fµ¥¯Å§¡¬°2¯Å¡AË¥ñ©Ê¬°1¯Å¡CCI-8122¡Ñ¥x«n¿ï10¸¹²Õ¦X¤½³¼ÂA¯ó²£¶q64,080¤½¤ç©~¦¸¡A¤ñXL678¡]CK1¡^¤Î¥x19¸¹¡]CK2¡^¦U¼W²£1¢H¤Î14¢H¡C¸´³¯f¤Îùׯf¿©¯fµ¥¯Å¬°2¯Å¡A²ô»G¯f¬°1¯Å¡AË¥ñ©Ê¥ç¬°1¯Å¡A»P¨â¹ï·Ó«~ºØÃþ¦ü¡C
“ǯS®íµ²¦X¤OÀË©w¡G¯S®íµ²¦X¤OÀË©w¸ÕÅç¤À§O©ó83¦~¬î§@¤Î84¦~¬K§@Á|¦æ¡Aªí²{¸ûÀu6²Õ¦X¦¨ÁZ¦C¦pªí3¡C¥Ñªí¤¤±oª¾¡A¥§¡¤½³¼ÂA¯ó²£¶q¥HPFH 83-1¤§58,925¤½¤ç¤ÎPFH 83-9¤§58,438¤½¤ç³Ì°ª¡A¸ûXL 678¤Î¥x«n19¸¹¤À§O¼W²£15¡ã16¢H¤Î8¡ã9¢H¡C¤G²Õ¦X¸´³¯f¡Bùׯf¡B²ô»G¯f¤ÎË¥ñ©Êµ¥¯Å§¡Ãþ¦ü¡C¨äÁ`¥i®ø¤Æ¾i¤À¤ñ¡]TDN¢H¡^¦P¬°67¢H¡A¤¶©ó¤G¹ï·Ó«~ºØ¶¡¡A¥§¡®è°ªPFH 83-1¬°273¤½¤À¡APFH 83-9¬°269¤½¤À¡A§¡¸û¤G¹ï·Ó«~ºØ°ª¡AÁJ¦ì°ªPFH 83-1¬°141¤½¤À¡A¤¶©ó¤G¹ï·Ó«~ºØ¶¡¡APFH 83-9¬°156¤½¤À¡A¤ñ¤G¹ï·Ó«~ºØ°ª12¡ã30¤½¤À¡APFH 83-1¤ÎPFH 83-9¦¬³Î´Á¤À§O¬°89¤Ñ¤Î90¤Ñ¡A¸û¤G¹ï·Ó«~ºØ¦¼ô1¡ã5¤Ñ¡C
| ²Õ ¦X Combination | ¶}ªá´Á Days to tassel (day) |
¦Rµ·´Á Days to silk (day) |
¦¬³Î´Áa/ Days to harvest (day) |
¸´³¯f Leaf blight (class) |
ùׯf Rust (class) |
²ô»G¯f Stalk rot (class) |
Ë¥ñ©Ê Lodging (%) |
®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
ÂA¯ó²£¶q Fresh weight (kg/ha) |
«ü¼Æ Index (¢H) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (CK1) | (CK2) | |||||||||||
| P-1212¡Ñ¥x«n¿ï10¸¹ | 67 | 69 | 91 | 2 | 2 | 2 | 1 | 245 | 139 | 73,417a | 116 | 130 |
| CI-8122¡Ñ¥x«n¿ï10¸¹ | 64 | 67 | 90 | 2 | 2 | 1 | 1 | 257 | 146 | 64,080b | 101 | 114 |
| Pi 17¡Ñ¥x«n¿ï10¸¹ | 67 | 69 | 91 | 2 | 3 | 1 | 1 | 251 | 150 | 64,000b | 101 | 114 |
| G-7-2-1-1¡Ñ¥x«n¿ï10¸¹ | 63 | 66 | 90 | 2 | 3 | 2 | 1 | 267 | 168 | 63,583bc | 100 | 113 |
| I-5342¡Ñ¥x«n¿ï10¸¹ | 64 | 67 | 88 | 2 | 2 | 1 | 1 | 222 | 115 | 63,167bc | 99 | 112 |
| P-1222¡Ñ¥x«n¿ï10¸¹ | 65 | 67 | 88 | 2 | 2 | 2 | 1 | 253 | 147 | 63,167bc | 99 | 12 |
| CI-8111¡Ñ¥x«n¿ï10¸¹ | 69 | 71 | 92 | 2 | 3 | 1 | 1 | 245 | 132 | 61,750c | 97 | 109 |
| Hon-1-1¡Ñ¥x«n¿ï10¸¹ | 64 | 67 | 87 | 2 | 2 | 1 | 2 | 227 | 138 | 61,583c | 97 | 109 |
| XL 678 (CK1) | 68 | 71 | 93 | 2 | 2 | 1 | 1 | 250 | 135 | 63,500bc | 100 | 113 |
| ¥x«n19¸¹ (CK2) | 64 | 67 | 94 | 2 | 1 | 1 | 1 | 232 | 122 | 56,375d | 89 | 100 |
Means within same column followed by same letter insignificantly different at 0.05 probability level (DMRT)
a/
¦¬³Î´Á¡G¥É¦Ì¶À¼ô´Á¬ù±Â¯»«á40¡ã45¤Ñ¡Ac¸¬\¶À¬ó²É§t¤ô¶q70¢H¡ã72¢H¡AÀ½¯}¬ó²ÉµL¨Å¥Ä²Gº¯¥X¡C| ´Á§@§O Season crop |
²Õ ¦X Combination |
¶}ªá´Á Days to tassel (day) |
¦Rµ·´Á Days to silk (day) |
¦¬³Î´Áa/ Days to harvest (day) |
¸´³¯f Leaf blight (class) |
ùׯf Rust (class) |
²ô»G¯f Stalk rot (class) | Ë¥ñ©Ê Lodging (%) |
®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
Á`¥i®ø¤Æ ¾i¤À¤ñ TDN (¢H) |
ÂA¯ó²£¶q Fresh weight (kg/ha) |
«ü¼Æ Index (¢H) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (CK1) | (CK2) | |||||||||||||
| 83¦~¬î§@ Fall crop,1994 |
PFH 83-9 | 59 | 61 | 90 | 2 | 1 | 1 | 1 | 285 | 157 | 67 | 68,375 | 110 | 110 |
| PFH 83-1 | 57 | 60 | 88 | 1 | 1 | 1 | 1 | 270 | 129 | 66 | 64,891 | 105 | 105 | |
| PFH 83-12 | 60 | 63 | 90 | 1 | 2 | 1 | 2 | 274 | 155 | 67 | 60,625 | 97 | 97 | |
| PFH 83-5 | 60 | 63 | 90 | 2 | 2 | 2 | 1 | 291 | 158 | 64 | 67,453 | 109 | 109 | |
| PFH 83-4 | 58 | 60 | 88 | 1 | 3 | 1 | 1 | 266 | 149 | 66 | 60,672 | 98 | 98 | |
| PFH 83-6 | 61 | 63 | 91 | 2 | 2 | 1 | 1 | 278 | 181 | 65 | 61,984 | 100 | 100 | |
| XL 678 (CK1) | 63 | 66 | 92 | 2 | 2 | 1 | 1 | 280 | 125 | 63 | 62,031 | 100 | 100 | |
| ¥x«n19¸¹ (CK2) | 59 | 62 | 90 | 1 | 1 | 1 | 1 | 238 | 120 | 67 | 61,938 | 100 | 100 | |
| LSD (0.05) | 3,745 | |||||||||||||
| 84¦~¬K§@ Spring crop,1995 |
PFH 83-9 | 69 | 72 | 89 | 2 | 2 | 2 | 1 | 253 | 155 | 67 | 48,500 | 122 | 104 |
| PFH 83-1 | 68 | 71 | 90 | 2 | 2 | 1 | 1 | 276 | 153 | 67 | 52,959 | 134 | 114 | |
| PFH 83-12 | 68 | 70 | 93 | 2 | 2 | 1 | 1 | 245 | 164 | 67 | 51,250 | 129 | 110 | |
| PFH 83-5 | 69 | 72 | 92 | 2 | 3 | 2 | 1 | 286 | 159 | 65 | 46,563 | 117 | 100 | |
| PFH 83-4 | 68 | 71 | 91 | 2 | 2 | 1 | 1 | 248 | 162 | 67 | 50,259 | 127 | 108 | |
| PFH 83-6 | 68 | 71 | 93 | 2 | 1 | 2 | 1 | 288 | 160 | 68 | 48,313 | 122 | 104 | |
| XL 678 (CK1) | 72 | 75 | 95 | 3 | 2 | 1 | 1 | 251 | 162 | 62 | 39,667 | 100 | 85 | |
| ¥x«n19¸¹ (CK2) | 67 | 69 | 91 | 1 | 1 | 1 | 2 | 230 | 131 | 68 | 46,438 | 117 | 100 | |
| LSD (0.05) | 5,805 | |||||||||||||
| ¥§¡Ave. | PFH 83-9 | 64 | 67 | 90 | 2.0 | 1.5 | 1.5 | 1.0 | 269 | 156 | 67 | 58,438 | 115 | 108 |
| PFH 83-1 | 63 | 66 | 89 | 1.5 | 1.5 | 1.0 | 1.0 | 273 | 141 | 67 | 58,925 | 116 | 109 | |
| PFH 83-12 | 64 | 67 | 92 | 1.5 | 2.0 | 1.0 | 1.5 | 260 | 160 | 67 | 55,938 | 110 | 103 | |
| PFH 83-5 | 65 | 68 | 91 | 2.0 | 2.5 | 1.5 | 1.0 | 289 | 159 | 65 | 57,008 | 112 | 105 | |
| PFH 83-4 | 63 | 66 | 90 | 1.5 | 2.5 | 1.0 | 1.0 | 257 | 156 | 67 | 55,466 | 109 | 102 | |
| PFH 83-6 | 65 | 67 | 92 | 2.0 | 1.5 | 1.5 | 1.0 | 283 | 171 | 67 | 55,149 | 108 | 102 | |
| XL 678 (CK1) | 78 | 71 | 94 | 2.5 | 2.0 | 1.0 | 1.0 | 266 | 144 | 63 | 50,849 | 100 | 94 | |
| ¥x«n19¸¹ (CK2) | 63 | 66 | 91 | 1.0 | 1.0 | 1.0 | 1.5 | 234 | 126 | 68 | 54,188 | 107 | 100 | |
| LSD (0.05) | 4,775 | |||||||||||||
a/ ¦¬³Î´Á¡G¦Pªí2.¡C
| «~¨t Hybrid |
¶}ªá´Á Days to tassel (day) |
¦Rµ·´Á Days to silk (day) |
¦¬³Î´Áa/ Days to harvest (day) |
¸´³¯f Leaf blight (class) |
ùׯf Rust (class) |
²ô»G¯f Stalk rot (class) |
Ë¥ñ©Ê Lodging (%) |
®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
ÂAÁJ«¤ñ Ear weight ratio (¢H) |
²Ê³J¥Õ½è Crude protein (¢H) |
Á`¥i®ø¤Æ ¾i¤À¤ñ TDN (¢H) |
ÂA¯ó²£¶q Fresh Weight (kg/ha) |
«ü¼Æ Index (¢H) |
°®¯ó²£¶q Dry Weight (kg/ha) |
«ü¼Æ Index (¢H) |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (CK1) | (CK2) | (CK1) | (CK2) | |||||||||||||||
| PFH 83-9 | 54 | 56 | 87 | 1 | 1 | 1 | 1 | 283 | 164 | 30.3 | 7.8 | 65 | 68,688 | 120 | 113 | 15,680 | 117 | 102 |
| PFH 83-1 | 54 | 56 | 87 | 1 | 2 | 1 | 1 | 278 | 159 | 29.2 | 8.2 | 65 | 64,204 | 112 | 106 | 15,381 | 115 | 100 |
| PFH 83-12 | 56 | 58 | 86 | 1 | 2 | 2 | 1 | 292 | 153 | 28.8 | 8.0 | 64 | 63,750 | 112 | 105 | 14,955 | 111 | 97 |
| PFH 83-5 | 58 | 60 | 87 | 1 | 2 | 1 | 1 | 274 | 155 | 27.3 | 7.1 | 63 | 61,907 | 108 | 102 | 15,835 | 118 | 103 |
| PFH 83-4 | 53 | 56 | 86 | 1 | 2 | 1 | 1 | 282 | 137 | 24.9 | 8.4 | 67 | 60,677 | 106 | 100 | 15,022 | 112 | 98 |
| PFH 83-6 | 53 | 56 | 83 | 2 | 1 | 1 | 2 | 264 | 151 | 30.6 | 8.1 | 66 | 58,641 | 103 | 97 | 14,304 | 107 | 93 |
| XL 678(CK1) | 63 | 65 | 91 | 2 | 2 | 1 | 1 | 245 | 155 | 19.6 | 7.1 | 63 | 57,110 | 100 | 94 | 13,421 | 100 | 87 |
| ¥x«n19¸¹(CK2) | 54 | 56 | 86 | 1 | 1 | 1 | 1 | 230 | 127 | 31.6 | 8.0 | 65 | 60,610 | 106 | 100 | 15,371 | 115 | 100 |
| LSD (0.05) | 5,014 | 220 | ||||||||||||||||
a/ ¦¬³Î´Á¡G¦Pªí2.¡C
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¡@¡@·s«~¨t¤ñ¸û¸ÕÅçµ²ªG¦C¦pªí4¡A¤½³¼ÂA¯ó²£¶q¥HPFH 83-9¤§68,688¤½¤ç³Ì°ª¡A¸ûXL 678¤Î¥x«n19¸¹¤À§O¼W²£20¢H¤Î13¢H¡A¨Ã¹FÅãµÛ©Ê®t²§¡CPFH 83-1¥H64,204¤½¤ç©~¦¸¡CÂAÁJ«¤ñPFH 83-9¤ÎPFH 83-1¤À§O¬°30.3¢H¤Î29.2¢H¡A¤¶©ó¤G¹ï·Ó«~ºØ¤§¶¡¡C¤½³¼°®¯ó²£¶qPFH 83-9¬°15,680¤½¤ç¡APFH 83-1¬°15,381¤½¤ç¡A»P¥x«n19¸¹¬Ûªñ¡A¦ý¤ñXL 678¼W²£15¡ã17¢H¡AÁ`¥i®ø¤Æ¾i¥÷¤ñ¡]TDN¢H¡^¡APFH 83-9¤ÎPFH 83-1¦P¬°65¢H¡A²Ê³J¥Õ½è§t¶q«h¤À§O¬°7.8¢H¤Î8.2¢H¡C¨âªÌ¤§¦¬³Î´Á¦P¬°87¤Ñ»P¥x«n19¸¹¬Ûªñ¡A¦ý¤ñXL678¦4¤Ñ¡CPFH 83-9¸´³¯f¡Bùׯf¡B²ô»G¯f¤ÎË¥ñ©Êµ¥¯Å§¡¬°1¯Å¡A¦ÓPFH 83-1°£ùׯf¬°2¯Å¥~¡A¨ä¾l¸´³¯f¡B²ô»G¯f¤ÎË¥ñ©Ê¥ç¦P¬°1¯Å¡C
¡@¡@ºî¤Wz¯S®íµ²¦X¤OÀË©w¤Î·s«~¨t¤ñ¸û¸ÕÅçµ²ªG¡AÅã¥ÜPFH 83-9¤ÎPFH 83-1¤G«~¨t¤§ÂA¯ó²£¶q°ª¥Béw¡AÀç¾iȰª¡A§Üùׯf¡B¸´³¯f¤ÎË¥ñ©Ê¨Î¡C¦]¦¹¡A¤G«~¨t¦Û85¦~¬K§@°_°Ñ¥[¥þ¬Ù©Ê°Ï°ì¸ÕÅç¡C
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¡@¡@·s«~¨t¨â¦~¡]85¦~¬K§@¡ã86¦~¬î§@¡^¥þ¬Ù©Ê°Ï°ì¸ÕÅçµ²ªG¡A¦U«~¨t¤§¹AÃÀ©Êª¬¤ÎÂA¯ó²£¶q´Á§@¥§¡¦C¦pªí5¡A PFH 83-9¥§¡¤½³¼ÂA¯ó²£¶q¦b50,778¤½¤ç¡ã62,807¤½¤ç¤§¶¡¡Aªí²{³Ì¨Î¡A¸û¥x¹A1¸¹¤ÎXL 678¤À§O¼W²£15¢H¡ã29¢H»P1¢H¡ã9¢H¡A¥ç¤ñ¥x«n19¸¹¤Î¥x¹A3¸¹¦U¼W²£15¢H¤Î9¢H¡CË¥ñ²v0.0¢H¡ã0.9¢H¡A¤¶©ó¥x¹A1¸¹¤ÎXL 678¤§¶¡¡C¶}ªá´Á53.7¤Ñ¡ã68.5¤Ñ¡A¤ñ¥x¹A1¸¹±ß1¡ã2¤Ñ¡A¸ûXL 678¦2¡ã3¤Ñ¡A¦Ó»P¥x¹A3¸¹¤Î¥x«n19¸¹¬Ûªñ¡C¥§¡®è°ª¤ñ¥x¹A1¸¹¤ÎXL 678°ª¬ù2¡ã10¤½¤À¡A¸û¥x«n19¸¹°ª33¤½¤À¡A¦Ó»P¥x¹A3¸¹¬Ûªñ¡A¥§¡ÁJ¦ì°ª¤ñ¥x¹A1¸¹°ª11¡ã15¤½¤À¡A»PXL 678¬Ûªñ¡A¤ñ¥x«n19¸¹¤Î¥x¹A3¸¹¤À§O°ª¬ù21¤½¤À¤Î9¤½¤À¡C
¤¡B®è°ª¡BÁJ¦ì°ª¤ÎÂA¯ó²£¶qéw©Ê¤ÀªR¡G
¡@¡@°Ñ¥[¥þ¬Ù©Ê°Ï°ì¸ÕÅç©¡º¡¤G¦~«~¨tPFH 83-1¡BPFH 83-9¡B¥x¹A1¸¹¤ÎXL 678¤§®è°ª¡BÁJ¦ì°ª¤ÎÂA¯ó²£¶qéw©Ê¤ÀªRµ²ªG¦C¦pªí6¡APFH 83-9¤§®è°ª¡BÁJ¦ì°ª¤ÎÂA¯ó²£¶qéw©Ê¦ôȤÀ§O¬°1.01¡B1.08¤Î1.05¡A§¡ªñ©ó1.0¡A¨Ã¹F·¥ÅãµÛ©Ê¤ô·Ç¡AÅã¥ÜPFH 83-9¤§®è°ª¡BÁJ¦ì°ª¤ÎÂA¯ó²£¶qéw©Ê¨Î¡C
¤»¡B·s«~¨t¬î¸Ì§@¦a¤è¸ÕÅç¡G
¡@¡@¥»¸ÕÅç¥Øªº¡A¦bÁA¸ÑPFH 83-9¤_¬î¸Ì§@®â°ö¤§¾AÀ³©Ê¡AÂǨѱÀ¼s®â°ö¤§°Ñ¦Ò¡C¸ÕÅçµ²ªG¦C¦pªí7¡APFH 83-9¤§¶}ªá´Á¡B¦Rµ·´Á¤Î¦¬³Î´Á¤À§O¬°57¤Ñ¡B59¤Ñ ¤Î90¤Ñ ¡A»P¥x¹A3¸¹¬Û¦P¡A¦ý¸û¥x«n19¸¹¦1¡ã2¤Ñ¡Cùׯf¤Î¸´³¯fµ¥¯Å»P¥x¹A3¸¹¬Û¦P¡A²ô»G¯f¬°2¯Å¡C®è°ª¤ÎÁJ¦ì°ª»P¥x¹A3¸¹¬Ûªñ¡A¦ý¤ñ¥x«n19¸¹¤À§O°ª¬ù31¤½¤À¤Î15¤½¤À¡AÂAÁJ«¤ñ¤ÎÁ`¥i®ø¤Æ¾i¤À¤ñ¡]TDN¢H¡^¥ç¸û¨â¹ï·Ó«~ºØ°ª¡CPFH 83-9¤½³¼ÂA¯ó¤Î°®¯ó²£¶q¤À§O¬°57,735¤½¤ç¤Î14,972¤½¤ç¡A¤ñ¨â¹ï·Ó«~ºØ¤À§O¼W²£10¡ã11¢H¤Î7¡ã8¢H¡A¨Ã»P¨â«~ºØ¤§®t²§¹FÅãµÛ¡C
¤C¡B´áªÎ¤Î®â°ö±K«×¸ÕÅç¡G
¡@¡@´áªÎ¤Î®â°ö±K«×¸ÕÅçµ²ªG¦C¦pªí8¡A PFH 83-9ÂA¯ó²£¶q¦b¤£¦P´áªÎ¥Î¶q¤U¡A¦U®â°ö±K«×³B²z¥H¤½³¼´áªÎ¥Î¶q200¤½¤ç¤Î250¤½¤ç¤§ÂA¯ó²£¶q¤À§O¹F54,407¤½¤ç¡ã56,168¤½¤ç¤Î54,484¤½¤ç¡ã57,189¤½¤ç³Ì°ª¡CÂA¯ó²£¶q¦b¤£¦P®â°ö±K«×¤U¡A¦U´áªÎ¥Î¶q³B²z«h¥H¤½³¼63,492®è¤§²£¶q55,563¤½¤ç¡ã57,189¤½¤ç³Ì°ª¡CÁJ¦ì°ª«h¦³ÀH®â°ö±K«×¼W¥[¦Ó§e¼W°ª¤§ÁͶաA¦ý¨ä¹ï´áªÎ¤ÏÀ³«hµL©úÅãÁͶաC®è°ª¦b¤TºØ¤£¦P´áªÎ¥Î¶q¤Î®â°ö±K«×¤U§¡µL©úÅã¤ÏÀ³¡C¦]¦¹¡APFH 83-9¾A©y¤§¤½³¼®â°ö®è¼Æ¤Î´áªÎ¥Î¶q«ØÄ³¤À§O¬°63,492®è»P150¤½¤ç¡ã200¤½¤ç¡C
¤K¡B§Ü¯fÂΩÊÀË©w¡G
¡@¡@§Ü¯fÂΩÊÀË©w¥Øªº¡A¦bÁA¸ÑPFH 83-9¹ï¥É¦Ì«n¯fÂή`¥]¬AÅSµß¯f¡]Peronosclerospora sacchari¡^¡B²ô»G¯f¡]Pythium aphanidermatum¡^¡B¯f¬r¯f¡]MDMV-B¡^¡B´¶³q«¬ùׯf¡]Puccinia sorghi¡^¡B«n¤è«¬ùׯf¡]P. polysora¡^¤Î¥É¦Ì¿Á¡]Ostrinia furnacalis¡^¤§§Ü·P©Ê¤ÏÀ³¡AÂǨѨ¾ªv¤Wz¯fÂή`¤§°Ñ¦Ò¡C§Ü¯fÂΩÊÀË©wµ²ªG¦C¦pªí9¡A¥ÑªíÅã¥ÜPFH 83-9¹ïÅSµß¯fÄݱj§Ü¡A¹ï²ô»G¯f¤Î¥®]´Á´¶³q«¬ùׯfÄݧܡA¹ï¯f¬r¯f¡B¦¨®è´Á´¶³q«¬ùׯf¡B«n¤è«¬ùׯf¡]¥]¬A¥®]´Á¤Î¦¨®è´Á¡^¤Î½ü¥Í´Á¿Á®`§¡Äݤ¤§Ü¡C¦Ó¹ï¶}ªá´Á¿Á
| 85¦~¬K§@¡]Spring crop, 1996¡^ | 85¦~¬î§@¡]Fall crop, 1996¡^ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| «~ ¨t Hybrid |
¶}ªá´Á Days to tassel (day) |
®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
Ë¥ñ²v Lodging (¢H) |
ÂA¯ó²£¶q Fresh weight (kg/ha) |
«ü¼ÆIndex (¢H) | «~ ¨t Hybrid |
¶}ªá´Á Days to tassel (day) |
®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
Ë¥ñ²v Lodging (¢H) |
ÂA¯ó²£¶q Fresh weight (kg/ha) |
«ü¼ÆIndex (¢H) | ||
| (CK1) | (CK2) | (CK1) | (CK2) | ||||||||||||
| PFH 83-1 | 68.6 | 241.7 | 131.5 | 1.8a | 56,148ab | 122 | 105 | PFH 83-1 | 53.9 | 250.0 | 123.0 | 2.0a | 49,074a | 117 | 98 |
| PFH 83-9 | 68.5 | 234.5 | 135.4 | 0.9b | 57,603a | 125 | 107 | PFH 83-9 | 53.7 | 239.0 | 125.0 | 0.9b | 50,778a | 121 | 101 |
| TAFH 83-13 | 68.4 | 237.8 | 128.5 | 0.2c | 54,773ab | 119 | 102 | TAFH 83-13 | 52.2 | 230.0 | 110.0 | 0.1c | 47,798a | 114 | 95 |
| TAFH 83-14 | 69.5 | 228.6 | 126.2 | 0.6bc | 52,470b | 114 | 98 | TAFH 83-14 | 52.8 | 238.0 | 110.0 | 0.0c | 49,161a | 117 | 98 |
| ¥x¹A1¸¹(CK1) | 67.5 | 228.1 | 120.2 | 0.0c | 45,939c | 100 | 86 | ¥x¹A1¸¹(CK1) | 51.8 | 229.0 | 111.0 | 0.0c | 41,887b | 100 | 83 |
| XL 678(CK1) | 72.0 | 230.3 | 137.0 | 0.0c | 53,596ab | 117 | 100 | XL 678(CK1) | 56.7 | 229.0 | 130.0 | 1.1b | 50,242a | 119 | 100 |
| 86¦~¬K§@¡]Spring crop, 1997¡^ | 86¦~¬î§@¡]Fall crop, 1997¡^ | ||||||||||||||
| «~ ¨t Hybrid |
¶}ªá´Á Days to tassel (day) |
®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
Ë¥ñ²v Lodging (¢H) |
ÂA¯ó²£¶q Fresh weight (kg/ha) |
«ü¼ÆIndex (¢H) | «~ ¨t Hybrid |
¶}ªá´Á Days to tassel (day) |
®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
Ë¥ñ²v Lodging (¢H) |
ÂA¯ó²£¶q Fresh weight (kg/ha) |
«ü¼ÆIndex (¢H) | ||
| (CK1) | (CK2) | (CK1) | (CK2) | ||||||||||||
| PFH 83-1 | 60.6 | 246.0 | 131.0 | 1.5ab | 61,432a | 126 | 105 | PFH 85-17 | 59.2 | 228.0 | 113.0 | 0.0c | 54,377ab | 108 | 102 |
| PFH 83-9 | 61.1 | 237.0 | 133.0 | 1.0b | 62,807a | 129 | 107 | PFH 83-9 | 58.9 | 240.0 | 125.0 | 0.0c | 57,600a | 115 | 109 |
| TAFH 84-7 | 61.9 | 222.0 | 115.0 | 1.6a | 51,613b | 105 | 88 | TAFH 85-2 | 59.1 | 239.0 | 120.0 | 6.4b | 53,294b | 106 | 100 |
| TAFH 84-12 | 59.9 | 242.0 | 126.0 | 0.3c | 58,168a | 119 | 99 | TAFH 85-8 | 60.5 | 254.0 | 145.0 | 31.1a | 51,532b | 102 | 97 |
| ¥x¹A1¸¹(CK1) | 60.3 | 235.0 | 122.0 | 0.9b | 48,821b | 100 | 83 | ¥x«n19¸¹(CK1) | 59.9 | 207.0 | 104.0 | 0.3c | 50,130b | 100 | 94 |
| XL 678(CK1) | 63.9 | 234.0 | 132.0 | 0.3c | 58,550a | 119 | 100 | ¥x¹A3¸¹(CK1) | 58.9 | 237.0 | 116.0 | 1.3c | 52,897b | 105 | 100 |
Means within each column followed by same letter insignificantly different at 0.05 probability leve (DMRT).
®`Äݱj·P¡A¤£¨ã§Ü©Ê¡C¥À¥»¹ï²ô»G¯f¡B¯f¬r¯f¡B«n¤è«¬ùׯf¤Î¶}ªá´Á¿Á®`ÄÝ·P¤£¨ã§Ü©Ê¡A¦Ó¤÷¥»«h¹ïÅSµß¯f¡B¯f¬r¯f¤Î¥É¦Ì¿Á¡]¥]¬A¥®]´Á¤Î¶}ªá´Á¡^ÄÝ·P¡A¤£¨ã§Ü©Ê¡C
| «~ ¨t Hybrid |
®è °ª Plant height |
ÁJ¦ì°ª Ear height |
ÂA¯ó²£¶q Fresh weight |
||||||
|---|---|---|---|---|---|---|---|---|---|
| ¥§¡È Ave. Value (cm) |
éw©Ê¦ôÈ Stability Index (bi) |
¾÷²vÈ P>F(b+1) |
¥§¡È Ave.Value (cm) |
éw©Ê¦ôÈ Stability Index(bi) |
¾÷²vÈ P>F(b+1) |
¥§¡ÈAve.Value (cm) | éw©Ê¦ôÈ Stability Index (bi) |
¾÷²vÈ P>F(b+1) |
|
| PFH 83-1 | 246.3a | 1.06** | 0.003 | 129.2c | 0.96** | 0.115 | 55,460b | 1.10** | 0.006 |
| PFH 83-9 | 237.4b | 1.01** | 0.000 | 131.5b | 1.08** | 0.000 | 57,056a | 1.05** | 0.000 |
| ¥x¹A1¸¹(CK1) | 231.2d | 0.84* | 0.000 | 118.1d | 0.81* | 0.000 | 45,551c | 0.94** | 0.000 |
| XL 678(CK1) | 233.5cd | 1.08** | 0.001 | 133.5a | 1.05 | 0.003 | 54,251b | 0.91** | 0.127 |
Means within each column followed by same letter insignificantly different at 0.05 probability level (DMRT).
*¡GSignificantly different at 0.05 probability level.
**¡GSignificantly different at 0.01 probability level.
| «~ ¨tHybrid | ¶}ªá´Á Days to tassel (day) |
¦Rµ·´Á Days to Silk (day) |
¦¬³Î´Áa/ Days to harvest (day) |
ùׯf Rust (class) |
¸´³¯f Leaf blight (class) |
²ô»G¯f Stalk rot (class) |
Ë¥ñ©Ê Lodging (¢H) |
®è°ª Plant height (cm) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PFH 83-9 | 57 | 59 | 90 | 1 | 2 | 2 | 1 | 255 | ||||||||
| ¥x«n19¸¹(CK1) | 58 | 60 | 92 | 1 | 1 | 1 | 2 | 224 | ||||||||
| ¥x¹A3¸¹(CK2) | 57 | 59 | 90 | 1 | 2 | 1 | 1 | 254 | ||||||||
| LSD (0.05) | ||||||||||||||||
| «~ ¨tHybrid | ÁJ¦ì°ª Ear height (cm) |
ÂAÁJ«¤ñ Ear weight ratio (¢H) |
Á`¥i®ø¤Æ ¾i¤À¤ñ TDN (¢H) |
ÂA¯ó²£¶q Fresh weight (kg/ha) |
«ü¼ÆIndex (¢H) | °®¯ó²£¶q Dry weight (kg/ha) |
«ü¼ÆIndex (¢H) | |||||||||
| (CK1) | (CK2) | (CK1) | (CK2) | |||||||||||||
| PFH 83-9 | 130 | 26.6 | 68 | 57,735 | 110 | 111 | 14,972 | 107 | 108 | |||||||
| ¥x«n19¸¹(CK1) | 115 | 26.1 | 67 | 52,427 | 100 | 101 | 14,018 | 100 | 101 | |||||||
| ¥x¹A3¸¹(CK2) | 128 | 25.9 | 67 | 51,874 | 99 | 100 | 13,864 | 99 | 100 | |||||||
| LSD (0.05) | 2,036 | |||||||||||||||
a/ ¦¬³Î´Á¡G¦Pªí2.
| ¤½³¼®è¼Æ No. plant per hectare |
N1 (150 kg/ha) | N2 (200 kg/ha) | N3 (250 kg/ha) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
ÂA¯ó²£¶q Fresh weight (kg/ha) |
®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
ÂA¯ó²£¶q Fresh weight (kg/ha) |
®è°ª Plant height (cm) |
ÁJ¦ì°ª Ear height (cm) |
ÂA¯ó²£¶q Fresh weight (kg/ha) |
|
| 74,074 | 264 | 149 | 52,821 | 268 | 146 | 55,341 | 270 | 157 | 55,699 |
| 63,492 | 266 | 147 | 55,563 | 267 | 145 | 56,168 | 269 | 149 | 57,189 |
| 55,555 | 271 | 151 | 53,596 | 265 | 144 | 54,407 | 268 | 143 | 54,484 |
¦P´á¯À¤£¦P®â°ö±K«×¤U¡A®è°ª¡BÁJ¦ì°ª¤ÎÂA¯ó²£¶q¤§LSD (5¢H) ¤À§O¬°¡G5.04¡B3.34¡B801.95¡C
¤£¦P´á¯À¦P®â°ö±K«×¤U¡A®è°ª¡BÁJ¦ì°ª¤ÎÂA¯ó²£¶q¤§LSD (5¢H) ¤À§O¬°¡G4.53¡B2.51¡B723.94¡C
| «~ºØ©Î«~¨t Hybrid or line |
ÅSµß¯f Peronosclerospora sacchari (¢H) |
²ô»G¯f Pythium aphanidermatum (¢H) |
¯f¬r¯f (MDMV-B) (¢H) |
´¶³q«¬ùׯf Puccinia sorghi |
«n¤è«¬ùׯf P. polysora |
¥É¦Ì¿Á Ostrinia furnacalis |
|||
|---|---|---|---|---|---|---|---|---|---|
| ¥®]´Á Seedling stage (class) |
¦¨®è´Á Mature stage (class) |
¥®]´Á Seed lingstage (class) |
¦¨®è´Á Mature stage (class) |
½ü¥Í´Á Whorl stage (class) |
¶}ªá´Á Pollen Shedding stage (No. cavities/plant) |
||||
| PFH 83-9 | 1.0 | 10.9 | 23.9 | 2 | 3 | 3 | 3 | 3.2 | 55.6 |
| P-1212 (¥À¥») | 3.6 | 52.3 | 53.9 | 2 | 2 | 3 | 4 | 3.3 | 32.7 |
| CI-8122 (¤÷¥») | 36.5 | 3.6 | 83.2 | 1 | 1 | 2 | 2 | 4.3 | 38.9 |
| ¥x«n19¸¹ | 1.3 | 2.9 | 17.7 | 1 | 1 | 3 | 3 | 3.6 | 33.1 |
| ¥x¹A1¸¹ | ¡Ð* | 20.7 | 73.5 | 2 | 2 | 5 | 5 | 3.0 | 22.6 |
| ¥x¹A3¸¹ | ¡Ð* | ¡Ð | ¡Ð | 2 | 3 | 3 | 4 | ¡Ð | ¡Ð |
¡¯¡Gªí¥Ü¥¼ÀË©w¡C
¤E¡B¦¨®èÀç¾i¦¨¤À¤ÀªR¡G
¡@¡@¦¨®èÀç¾i¦¨¤À¤ÀªRµ²ªG¦C¦pªí10¡APFH 83-9°£¥i·»©ÊºÒ¤ô¤Æ¦Xª«¬°10.68¢H¡A¤ñ¥x«n19¸¹¤Î¥x¹A3¸¹°ª¥~¡A¨ä¾l²Ê³J¥Õ½è8.10¢H¡B²ÊÅÖºû28.4¢H¡B²Ê¯×ªÕ3.61¢H¡B¦Ç¤À4.25¢H¡B¶t0.42¢H¡BÁâ0.23¢H¤Î¹[1.34¢H§¡»P¨â¹ï·Ó«~ºØ¬Ûªñ¡C
¤Q¡B«C¶J«~½è¤ÀªR¡G
¡@¡@«C³Î¥É¦Ì°£¥i°µ¬°¨Å¤û«C¹}®Æ¥~¡A¥ç¥i¸g±K«ÊÃæ»Ã«á»s¦¨«C¶J®Æ¡C¦]¦¹«C¶J«~½è¤§¨}æÕ¬Û·í«n¡C«C¶J«~½è¤ÀªRµ²ªG¦C¦pªí11¡APFH 83-9¤§pHÈ3.76¡B¤A»Ä0.27¢H¡B¨Å»Ä0.78%¡A¨äFlieg¤óµû¤ÀÂI¬°90.7¡A»P¥x«n19¸¹¤Î¥x¹A1¸¹¦PÄÝÀu¨}µ¥¯Å¡C
¤Q¤@¡B²ôµzµw«×´ú¸Õ¡G
¡@¡@«C³Î¥É¦Ì²ôµz¬O§_±jµw¡AÃö«Y¥É¦Ì¦¨¼ô«á´Ó®è¬O§_·|Ë¥ñ©Î˧é¡AÕ¦¨¼ô´Ó®è©öË¥ñ©Î˧é¡A«hµLªk°t¦X¾÷±ñ±Ä¦¬¡C¦]¦¹´Ó®è²ôµz±j«×¦Ü¬°«n¡C²ôµzµw«×´ú¸Õµ²ªG¦C¦pªí12¡Aµ²ªGÅã¥Ü¬ï¨ëPFH 83-9²ôµz©Ò»Ý«¶q¬°6.29 kg/cm2¡A¸û¥x«n19¸¹¤§5.83 kg/cm2¤Î¥x¹A3¸¹¤§6.18kg/cm2¬°°ª¡A¨Ã»P¨â«~ºØ§eÅãµÛ©Ê®t²§¡AÅã¥ÜPFH 83-9²ôµzµw«×±j¡C
| «~ ºØ Hybrid | ²Ê³J¥Õ½è Crude Protein (¢H) |
²ÊÅÖºû Crude fibre (¢H) |
²Ê¯×ªÕ Crude fat (¢H) |
¥i·»©ÊºÒ¤ô¤Æ¦Xª« Soluble carbohydrate (¢H) |
¦Ç¤À (Ash) (¢H) |
»Ä¬~ ÅÖºû (ADF) (¢H) |
¤¤¬~ ÅÖºû (NDF) (¢H) |
¶tCa (¢H) |
ÁâMg (¢H) |
¹[K (¢H) |
|---|---|---|---|---|---|---|---|---|---|---|
| PFH 83-9 | 8.10 | 28.4 | 3.61 | 10.68 | 4.25 | 34.3 | 64.4 | 0.42 | 0.23 | 1.34 |
| ¥x«n19¸¹(CK1) | 8.12 | 28.6 | 3.90 | 9.80 | 4.10 | 34.5 | 71.4 | 0.44 | 0.25 | 1.38 |
| ¥x¹A3¸¹(CK1) | 8.18 | 29.3 | 3.58 | 9.95 | 4.42 | 35.2 | 65.0 | 0.42 | 0.24 | 1.41 |
| «~ ºØ Hybrid |
PHÈa/ pH value |
¤A»Äb/ (¢H) |
¨Å»Äb/ Latic acid (¢H) |
Flieg¤óµû¤ÀÂIc/ (Flieg¡¦s point) |
|---|---|---|---|---|
| PFH 83-9 | 3.76 | 0.27 | 0.78 | 90.7 |
| ¥x«n19¸¹ (CK1) | 3.71 | 0.31 | 0.84 | 90.5 |
| ¥x¹A3¸¹ (CK1) | 3.79 | 0.28 | 0.75 | 89.3 |
a/ pHÈ·U§C·U¨Î¡AÀu¨}«C¶J®ÆpHȬ°3.7¡ã4.0¢H¡C
b/ ¤A»Ä·U¤Ö·U¦n¡A¨Å»Ä·U¦h·U¦n¡C
c/ µû¤ÀÂI¨Ì·ÓFlieg¤ó¤§¤À¯Å¡G
0¡Ð20¤À¡A¦H¡]Failure¡^¡C
21¡Ð40¤À¡A¤£¨}¡]Poor¡^¡C
41¡Ð60¤À¡A¥i¡]Satisfactory¡^¡C
61¡Ð80¤À¡A¦n¡]Good¡^¡C
81¡Ð100¤À¡AÀu¨}¡]Very good¡^¡C
| «~ ºØ Hybrid |
½Õ¬d®è¼Æ No. plant tested |
²ôµzµw«× Stalk strength (kg/cm2) |
||||||
|---|---|---|---|---|---|---|---|---|
| ¢¹ | ¢º | ¢» | ¢¼ | ¢½ | ¢¾ | ¥§¡ | ||
| PFH 83-9 | 48 | 6.36 | 6.36 | 6.23 | 6.28 | 6.32 | 6.22 | 6.29a |
| ¥x«n19¸¹ (CK1) | 48 | 5.84 | 5.88 | 5.85 | 5.79 | 5.88 | 5.77 | 5.83c |
| ¥x¹A3¸¹ (CK2) | 48 | 6.13 | 6.14 | 6.18 | 6.23 | 6.20 | 6.22 | 6.18b |
Means within same column followed by same letter insignificantly at 0.05 probability level (DMRT).
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Breeding of Forage Corn Hybrid Tainan No. 21
Tseng, C. T. and C. K. Chen
Summary
¡@¡@Tainan No. 21 is a single cross forage corn hybrid. It was coded as PFH 83-9 before registration. Its pedigree is P-1212¡ÑCI-8122. The maternal line P-1212 was bred from Pioneer 3208 introduced from Pioneer Seed Company in the United Sates. It is endowed with pale yellow semiflint kernel. P-1212 is also characterizied with highly resistance to downy mildew Peronosclerospora sacchari and moderate resistances to common rust disease Puccinia sorghi and whorl stage corn borer Ostrinia furnacalis feeding damage. The paternal line CI-8122 was derived from a composite Mcy-51 introduced from CIMMYT. It is characterized with white dent kernel and highly resistance to stalk rot Pythium aphanidermatum and rust disease (P. sorghi and P. polysora) and moderate resistances to downy mildew P. sacchari. Since being selected out in fall crop of 1995 PFH 83-9 was recommended to participate in islandwide yield trial for newly developed forage corn hybrids, effect test on nitrogen rate and plant density, resitant test to major economic important disease and insect pests, stalk quality test as well as chemical analysis for nutrition composition in mature plant and silage quality. The data collected from above tests indicated that PFH 83-9 is characterized with stable high-yielding ability, resistance to downy mildew, stalk rot, rust disease, corn borer feeding damage in whorl stage and lodging, it is also possessed with high nutrition in mature stage of plant development and good silage quality. These revealed that PFH 83-9 could be adopted for cultivating in eastern part area as well as Yu-Chia-Nan area in the country and used as feed for dairy cattle industry. After being evaluated by the meeting of the Registration Committee for new crop cultivar convened by the Department of Agriculture and Forestry, Taiwan provincial Government PFH 83-9 was officially named as Tainan No. 21 on May 18, 1999. The proper plant density for Tainan No. 21 is 66,666 plants per hectare, the recommended amount of N¡BP2O5¡BK5O per hectare is 150-200 kg¡B90 kg and 60 kg, respectively.
¡@¡@Key words: forage corn, fresh weight, combing ability test, disease and insect pest resistance. lodging resistance, silage quality.
¡@¡@Accepted for publication: August 30, 1999.