PRODUCTION IN CALIFORNIA UNIVERSITY OF CALIFORNIA DIVISION OF AGRICULTURE AND NATURAL RESOURCES PUBLICATION 21518 For information about ordering this publication, contact Communication Services The technical editors are Division of Agriculture and Natural Resources Anthony E. Hall, University of California 6701 San Pablo Avenue Crop Ecologist, UC Riverside, Oakland, California 94608-1239 and Carol A. Frate, UC Cooperative Extension Farm Advisor, Tulare County. Telephone (510) 642-2431 within California (800) 994-8849 In addition to the technical editors, other contributing authors are FAX (510) 643-5470 e-mail inquiries to
[email protected] David Billings, President, Marketing Cooperative, Ventura; Publication 21518 David W. Cudney Extension Weed Scientist, UC Riverside; Printed in the United States of America. Donald C. Erwin, Plant Pathologist, UC Riverside; ©1996 by the Regents of the University of California Division of Agriculture and Natural Resources Peter B. Goodell, Regional IPM Advisor, Kearney Agricultural Center, Parlier; All rights reserved Dard Hunter, No part of this publication may be reproduced, Bean Dealer, San Francisco; stored in a retrieval system, or transmitted, in Jerry Munson, any form or by any means, electronic, mechan ical, photocopying, recording, or otherwise, Manager, California Dry Bean Advisory Board; without the written permission of the publish Phillip P. Osterli, er and the authors. UC Cooperative Extension Farm Advisor, Stanislaus County; and Philip A. Roberts, The University of California, in accordance Nematologist, UC Riverside. with applicable Federal and State law and University policy, does not discriminate on the basis of race, color, national origin, religion, The manuscript was reviewed by sex, disability, age, medical condition (cancer- Jim Andreas, related), ancestry, marital status, citizenship, Farmer, Delano; sexual orientation, or status as a Vietnam-era Don Cameron, veteran or special disabled veteran.