Anil Shrestha                                                      

Professor, Weed Science

PhD, Michigan State University,

MS, Cornell University

BSc(Ag), Narendra Dev Univ. of Agri. & Tech, India




PLTH 1 Introduction to Plant Health

PLTH 105 Weed Science

PLTH 102 Pesticides

PLANT 99 Introduction to Biometrics

PLANT 100 Aspects of Crop Productivity


AGRI 200 Biometrics in Agriculture

PLANT 250T Agroecology

PLANT 261 Advanced Plant Health Management

PLANT 270 Seminar in Cropping Systems and Agroecology

PLANT 270 Seminar in International Agriculture


Academic Editor, PLOS ONE

Associate Editor, Agronomy Journal

Editorial Board Member, Agroecology and Sustainable Food Systems (Previously Journal of Sustainable Agriculture)

Editorial Board Member, Journal of Crop Improvement



Shrestha, A., S. Budhathoki, and K. M. Steinhauer. 2018. Temperature effects on control of glyphosate-resistant populations of junglerice (Echinochloa colona) populations of California. Agronomy Journal (In press)

Shrestha, A., L. deSouza, P. Yang, L. Sosnoskie, and B. D. Hanson. 2018. Differential tolerance of glyphosate-susceptible and –resistant biotypes of junglerice (Echinochloa colona) to environments during germination, growth, and intra-specific competition. Weed Science

Parry, S., and A. Shrestha. 2018. Effect of weed-free periods on organic Romaine lettuce production. Journal of Crop Improvement 32:124-139.


Mosqueda, E., R. Smith, D. Goorahoo, and A. Shrestha. 2017. Automated lettuce thinners reduce labor requirements and increase speed of thinning. California Agriculture (In press).

Mitchell, J. P., A. Shrestha, K. Mathesius, K. M. Scow, R. J. Southard, R. Haney, R. Schmidt, D. S. Munk, and W. R. Horwath. 2017. Cover cropping and no-tillage improve soil health in an arid irrigated cropping system in California's San Joaquin Valley. Soil and Tillage Research 165:325-335.


Bossange, A., K. M. Knudson, A. Shrestha, R. Harben, and J. P. Mitchell. 2016. The potential for conservation tillage adoption in the San Joaquin Valley, California: A Qualitative study of farmer perspectives and opportunities for extension. PLoS ONE 11(12): e0167612. doi:10.1371/journal.pone.0167612

Shrestha, A., R. Cox, Y. Wu, O. Robles, L. deSouza, S. D. Wright, and J. Dahlberg. 2016. Moisture and salt tolerance of a forage and grain sorghum hybrid during germination and establishment. Journal of Crop Improvement 30:668-683.

Shrestha, A., K. Steinhauer, B. Hanson, M. Jasieniuk, K. J. Hembree, and S. D. Wright. 2016. Growth and development of fall- and spring-planted populations of Conyza canadensis and C. bonariensis. International Journal of Pest Management 62:300-307.

Rios, S., S. D. Wright, G. Banuelos, and A. Shrestha. 2016. Tolerance of Amaranthus palmeri populations from California to postemergence herbicides at various growth stages. Crop Protection 87:6-12.

Mitchell, J. P., A. Shrestha, and D. S. Munk. 2016. Cotton response to long-term no-tillage and cover cropping in the San Joaquin Valley. Journal of Cotton Science 20:8-17.

Pokorny, A., J. Smilanick, C. Xiao, J. J. Farrar, and A. Shrestha. 2016. Determination of fungicide resistance in Botrytis cinerea from strawberry in the Central Coast Region of California. Plant Health Progress 17:30-34.

Mitchell, J. P., A. Shrestha, J. Dahlberg, D. Munk, and K. Hembree. 2016. Prospect of no-till planting of sorghum with and without cover cropping in the San Joaquin Valley. Crop, Forage, and Turfgrass Management 2:(1).

Mitchell, J. P., R. Harben, G. Sposito, A. Shrestha et al. 2016. Conservation agriculture: Systems thinking for sustainable farming. California Agriculture 70(2):53-56.

Mitchell, J. P., A. Shrestha, J. Hollingsworth, D. S. Munk, K. J. Hembree, and T. A. Turini. 2016. Precision overhead irrigation is suitable for several Central Valley crops. California Agriculture 70(2):62-70.

Orloff, S., E. Brummer, A. Shrestha,and D. Putnam. 2016. Cool-season perennial grasses differ in tolerance to partial-season irrigation deficits. Agronomy Journal 108:692-700.

Paudel, R., D. A. Grantz, H. Vu, and A. Shrestha. 2016. Tolerance of elevated ozone and water stress in a California population of Palmer amaranth (Amaranthus palmeri S. Wats.). Weed Science 64:276-284.

Moretti, M., L. M. Sosnoskie, A. Shrestha, S. D. Wright, K. J. Hembree, M. Jasieniuk, and B. D. Hanson. 2016. Distribution of Conyza sp. in orchards of California and response to glyphosate and paraquat. Weed Science 64:339-347.

Dennis, M., K. J. Hembree, J. Bushoven, and A. Shrestha. 2016. Growth stage, temperature, and time of year affects the control of glyphosate-resistant and glyphosate-paraquat resistant Conyza bonariensis with saflufenacil. Crop Protection 81:129-137.

Mitchell, J. P., L.M. Carter, D.C. Reicosky, A. Shrestha, G.S. Pettygrove, K.M. Klonsky, D.B. Marcum, D. Chessman, R. Roy, P. Hogan, and L. Dunning. 2016. A history of tillage in California’s Central Valley. Soil and Tillage Research 157:52-64.

Grantz, D., R. Paudel, Vu. H., A. Shrestha, N. Grulke. 2016. Diel trends in stomatal response to ozone and water; A unique relationship of midday values to growth and allometry in Pima cotton. Plant Biology 18 (Suppl. 1):37-46.


Mitchell, J. P., A. Shrestha, and S. Irmak. 2015. Trade-offs between winter cover crop production and soil water depletion in the San Joaquin Valley, California. Journal of Soil and Water Conservation 70:430-440.

Wright, S. D., R. B. Hutmacher, A. Shrestha, G. Banuelos, S. Rios, K. Hutmacher, D. S. Munk, and M. P. Keeley. 2015. Impact of Early Defoliation on California Pima cotton boll opening, lint yield and quality. Journal of Crop Improvement 29:528-541.

Moretti, M., A. Shrestha, K. J. Hembree, and B. D. Hanson. 2015. Postemergence control of glyphosate-paraquat resistant hairy fleabane (Conyza bonariensis) in tree nut orchards in the Central Valley of California. Weed Technology 29:501-508.

Shrestha, A., J. P. Mitchell, and K. J. Hembree. 2015. Weed seedbank characterization in long-term cotton-tomato rotations in California. Agronomy Journal 107:597-604.

Mitchell, J. P., A. Shrestha, W. R. Horwath, R. J. Southard, N. Madden, J. Veenstra, and D. S. Munk. 2015. Tillage and cover cropping affect crop yields and soil carbon in the San Joaquin Valley, California. Agronomy Journal 107:588-596.

Okada, M., B. D. Hanson, K. J. Hembree, Y. Peng, A. Shrestha, C. N. Stewart Jr., S. D. Wright, and M. Jasieniuk. 2015. Evolution and spread of glyphosate resistance in Conyza bonariensis in California and a comparison with closely related C. canadensis. Weed Research 55:173-184.

Shrestha, A., A. Rodriguez, S. Pasakdee, and G. Bañuelos. 2015. Comparative efficacy of white mustard (Sinapis alba L.) and soybean (Glycine max L. Merr.) seed meals as bioherbicides in organic broccoli (Brassica oleracea var. botrytis) and spinach (Spinacea oleracea) production. Communications in Soil Science and Plant Analysis 46:33-46.


Hanson, B., S. D. Wright, L. Sosnoskie, A. Fischer, M. Jasieniuk, J. Roncoroni, K. J. Hembree, S. Orloff, A. Shrestha, and K. Al-Khatib, and. 2014. Herbicide-resistant weeds challenge signature California cropping systems. California Agriculture 68(4):142-152.

Mitchell, J. P., A. Shrestha, K. Klonsky, T. Turini, and K. J. Hembree. 2014. Overhead and drip irrigation system effects on tomato growth and yield in California's Central Valley. HortTechnology 24:637-644.

Mitchell, J. P., A. Shrestha, K. M. Klonsky, R. DeMoura, T. Turini, and K. J. Hembree. 2014. Onion growth, yield, and production costs as affected by irrigation system. Journal of Crop Improvement 28:871-886.

Hollingsworth, J., J. P. Mitchell, D. S. Munk, B. A. Roberts, and A. Shrestha. 2014. Subsurface drip and overhead irrigation effects on conservation-tilled cotton in the San Joaquin Valley. Journal of Crop Improvement 28:324-344.

Wright, S. D., A. Shrestha, R. Hutmacher, G. Banuelos, K. A. Hutmacher, K. A. Wilson, S. J. Avila, and M. Dennis. 2014. Glufosinate safety in Widestrike cotton. Weed Technology 28:104-110.

Shrestha, A., K. M. Steinhauer, M. L. Moretti, B. D. Hanson, M. Jasieniuk, K. J. Hembree, and S. D. Wright. 2014. Distribution of glyphosate-resistant and glyphosate-susceptible hairy fleabane (Conyza bonariensis) in central California and their phenological development. Journal of Pest Science 87:201-209.


Moretti, M., B. D. Hanson, K. J. Hembree, and A. Shrestha. 2013. Glyphosate resistance is more variable than paraquat resistance in a multiple-resistant hairy fleabane (Conyza bonariensis) population. Weed Science 61:396-402.

Okada, M., B. D. Hanson, K. J. Hembree, W. T. Lanini, Y. Peng, A. Shrestha, C. N. Stewart Jr., S. D. Wright, and M. Jasieniuk. 2013. Origins and spread of herbicide resistance in Conyza canadensis, a native weed in California orchards and vineyards. Evolutionary Applications 6:761-777.

Rainbolt, C., J. B. Samtani, S. A. Fennimore, C. Gilbert, K. V. Subbarao, J. S. Gerik, A. Shrestha, and B. D. Hanson. 2013. Steam as a pre-plant soil disinfestant tool in California cut flower production. HortTechnology 23:207-214.

Shrestha, A., S. Kaan Kurtural, M. W. Fidelibus, G. Dervishian, and S. Konduru. 2013. Efficacy and Cost of Cultivators, Steam, or an Organic Herbicide for Weed Control in Organic Vineyards in the San Joaquin Valley of California. HortTechnology 23:99-108.


Mitchell, J. P., K. M. Klonsky, E. M. Miyao, B. J. Aegerter, A. Shrestha, D. S. Munk, K. J. Hembree, and T. Turini. 2012. Evolution of conservation tillage systems for tomato in California’s Central Valley. HortTechnology 22:617-626.

Krugner, R., C. A. Ledbetter, J. Chen, and A. Shrestha. 2012. Phenology of Xylella fastidiosa and its vector, Draeculocephala minerva, near California almond nurseries: An assessment of plant vulnerability to almond leaf scorch disease. Plant Disease 96:1488-1494.

Mitchell, J. P., L. Carter, D. S. Munk, K. Klonsky, R. B. Hutmacher, A. Shrestha, R. DeMoura, and J. F. Wroble. 2012. Conservation tillage systems for cotton advance in the San Joaquin Valley. California Agriculture 66(3):108-115.

Luna, J. M., J. P. Mitchell, and A. Shrestha. 2012. Conservation tillage for organic agriculture: Evolution towards hybrid systems. Renewable Agriculture and Food Systems 27:21-30.

Shrestha, A., M. Moretti, and N. Mourad. 2012. Evaluation of thermal implements andorganic herbicides for weed control in nonbearing almond (Prunus dulcis) orchard. Weed Technology 26:110-116.


Alcorta, M., M. W. Fidelibus, K. Steenwerth, and A.Shrestha. 2011. Competitive effects of glyphosate-resistant and glyphosate-susceptible Conyza canadensis on young grapevines (Vitis vinifera L.). Weed Science 59:489-494.

Hanson, B. D., S. Gao, J.S. Gerik, A. Shrestha, R. Qin, and J.A. McDonald. 2011. Effects of mission reduction surface seal treatments on pest control with shank-injected 1,3-dichloropropene and chloropicrin. Crop Protection 30:203-207.


Alcorta, M., M. W. Fidelibus, K. Steenwerth, and A.Shrestha. 2010. Effect of vineyard row orientation on growth and phenology of glyphosate-resistant and glyphosate-susceptible horseweed (Conyza canadensis L. Cronq.). Weed Science 59:55-60.

Shrestha, A., M. W. Fidelibus, M. F. Alcorta, K. Cathline. 2010. Threshold of horseweed (Conyza canadensis) in an established Thompson Seedless vineyard in the San Joaquin Valley. International Journal of Fruit Science 10:301-308.

Shrestha, A., M. W. Fidelibus, M. Alcorta, and B. D. Hanson. 2010. Growth, phenology, and intra-specific competition between glyphosate-resistant and glyphosate-susceptible horseweed (Conyza canadensis) in the San Joaquin Valley of California. Weed Science 58:147-153.

Grantz, D. A., A. Shrestha, and H. Vu.  2010. Ozone impacts on assimilation and allocation to reproductive sinks in the vegetatively propagated C4 weed, yellow nutsedge. Crop Science 50:246-252.


1. Krupnik, T.J., K. Naher, S. Islam, M. A. Hoque, A. Roy, V. Kumar, I. Hossain, K. Hossain, S. Shahrin, M. K. Gathala, A. Shrestha, and S. M. N. Uddin. 2016. Integrated Weed Management: Experiential learning modules for sustainable intensification and agriculture service provision. CIMMYT-Bangladesh. 103 p.


Hembree, K. J., J. DiTomaso, A. Shrestha, and R. Smith. 2013. Special Weed Problems. pp. 532-538. In L. Bettiga (ed.) Grape Pest Management Manual, 3rd Ed., Univ. of  Calif., Div. of Agric. & Nat. Res., Oakland, CA.

McGourty, G., K. J. Hembree, C. Ingels, and A. Shrestha. 2013. Vineyard Floor Management. pp. 499-511. In L. Bettiga (ed.) Grape Pest Management Manual, 3rd Ed., Univ. of  Calif., Div. of Agric. & Nat. Res., Oakland, CA.

McGiffen Jr, M., A. Shrestha, and S. A. Fennimore. 2014. Chemical control methods. In S. A. Fennimore and C. A. Bell (ed.) Principles of Weed Control, 4th Ed., California Weed Science Society. pp. 89-133.

Hanson, B., A. Fischer, A. Mchughen, M. Jaseiniuk, A. Jhala, and A. Shrestha. 2014. Herbicide-resistant crops and weeds. In S. A. Fennimore and C. A. Bell (ed.) Principles of Weed Control, 4th Ed., California Weed Science Society. pp. 168-188.

Lanini, T. W., A. Shrestha, and C. Wilen. 2008. Weeds. pp. 147-172 In M. L. Flint (ed.) Integrated Pest management for Avocados. University of California Statewide Integrated Pest Management Program, Davis, CA.

Shrestha, A., D. R. Clements, and M. K. Upadhyaya. 2004. Weed management in agroecosystems: towards a holistic approach. pp. 451-477 In Recent Research Developments in Crop Sci., Vol.1 (2004) Part-II. Research Signpost, Trivandrum, India.


Clements, D. R. and A. Shrestha (ed.). 2004. New Dimensions in Agroecology. Food Products Press, An Imprint of Haworth Press, Binghamton, New York.

Shrestha, A. (ed.) 2003.Cropping Systems: Trends and Advances. Food Products Press, An Imprint of Haworth Press, Binghamton, New York.