Field maturity—seed yield—shatter loss for: Potomac orchardgrass and hardinggrass
AuthorD. C. Sumner
Author AffiliationsD. C. Sumner is Specialist in the Experiment Station, Department of Agronomy, University of California, Davis.
Hilgardia 17(1):15-15. DOI:10.3733/ca.v017n01p15. January 1963.
Seed yields are highest when 50% of the panicles are mature in orchardgrass and 11% mature in hardinggrass.
Sumner D. 1963. Field maturity—seed yield—shatter loss for: Potomac orchardgrass and hardinggrass. Hilgardia 17(1):15-15. DOI:10.3733/ca.v017n01p15
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The relation of pear psylla to pear decline … greenhouse tests
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Pear psylla: In abandoned orchards
Control of pear psylla: With oils and oil-pyrethrins
Phytotron modification: Admits more sunlight through plastic panels
Vetch green manure increases rice yields: …Proper depth and timing of incorporation allows maximum results
Granulated insecticides superior to sprays for: Alfalfa weevil control
Evidence of nonspecific transmission of California aster-yellows virus by leafhoppers