| 000 | 00908nam a2200241Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1991 xx 000 0 und d | ||
| 082 | _aT 633.519.78 C28D | ||
| 100 | _aCHAMKAUR Singh | ||
| 245 | 0 | _aDetermining economic threshold level for the control of bollworms of cotton in the Punjab | |
| 250 | _aEntomology | ||
| 260 |
_aLudhiana _bPAU _c1991 |
||
| 300 | _a143,12L | ||
| 520 | _aEconomic threshold (ET) levei of 5 per cent incidence of pink bollworm among green bolls or 5 per cent damage of spoiled and American bollworms among shed fruiting bodies and when the sprays were done at the level of 2 larval units of American bollworm an | ||
| 650 | _aCOTTON -- DISEASES AND PESTS | ||
| 653 | _aBOLLWORMS | ||
| 653 | _aCONTROL | ||
| 653 | _aCOTTON | ||
| 653 | _aCOTTON -- DISEASES AND PESTS | ||
| 653 | _aENTOMOLOGY | ||
| 653 | _aETL | ||
| 653 | _aHELIOTHIS -- CONTROL | ||
| 942 |
_2ddc _cT |
||
| 999 |
_c97193 _d97193 |
||