TY - BOOK AU - DALBAR Singh TI - Comparative study of photosynthetic area , chlorophyll content and lodging resistance in an indigenous and mexican varieties of wheat (Triticum aestivum L.) U1 - T 575.133 D11C PY - 1970/// CY - Ludhiana PB - P.A.U KW - GENETICS KW - INBREEDING ER -