| 000 | 00952nam a2200241Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1974 xx 000 0 und d | ||
| 082 | _aT 633.519.752 J35D | ||
| 100 | _aJASWANT Singh | ||
| 245 | _aDevelopment of a laboratory technique for screening of cotton varieties for resistance to the cotton jassid (Amrasca Biguttula Biguttula (Ishida) | ||
| 250 | _aCOA | ||
| 260 |
_aLudhiana _bPAU _c1974 |
||
| 300 | _a46+16L | ||
| 520 | _aThe nymphal duration was maximum on 231-R variety of desi cotton at all the three stages of growth The survival of nymphs was almost similar on the four varieties in the cotyledonary and one-week 01(: stages but it was the least on the two-week old plants | ||
| 650 | _aCOTTON -- DISEASES & PESTS | ||
| 653 | _aCOTTON | ||
| 653 | _aCOTTON -- DISEASES & PESTS | ||
| 653 | _aENTOMOLOGY | ||
| 653 | _aJASSID | ||
| 653 | _aLEAF - HOPPERS | ||
| 653 | _aRESISTANCE | ||
| 653 | _aTECHNIQUE | ||
| 942 |
_2ddc _cT |
||
| 999 |
_c19452 _d19452 |
||