Durable Resistance in Crops formatIsbn:Softcover - 9781461593072 ¿ Unsere Welt ist voll

¿ Unsere Welt ist voll mit Werbung

while local vegetation reconstructions from these barrows exist

and the Geochemical Journal by the Geochemical Society of Japan

der Verweis auf die Textpartie

vielleicht doch um eine ¿Problemstelle¿ handeln könnte

Durable Resistance in Crops formatIsbn:Softcover - 9781461593072 ¿ Unsere Welt ist vollPlant diseases and pests are a major constraint to agricultural production despite the various measures used to control them. Chemical control, although often e~~ective, may pose environmental hazards and is relatively expensive, especially in developing countries where it may be completely uneconomic. Control through genetically mediated resistance to diseases and pests, is both cheap and environmentally sa~e and at present most diseases and pests o~