Four new asparagus varieties: Now in third season of trial in experimental and commercial plantings, new varieties show promise but more testing needed
AuthorG. C. Hanna
Author AffiliationsG. C. Hanna is Olericulturist, University of California, Davis.
Hilgardia 12(10):13-13. DOI:10.3733/ca.v012n10p13. October 1958.
Although not officially released—and won't be for several years—four new asparagus varieties now occupy between eight and ten thousand acres for further testing.
Hanna G. 1958. Four new asparagus varieties: Now in third season of trial in experimental and commercial plantings, new varieties show promise but more testing needed. Hilgardia 12(10):13-13. DOI:10.3733/ca.v012n10p13
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Mechanical fruit tree shaking: Effect of frequency and stroke on fruit removal and power requirements analyzed in study of reciprocating type shaker
Rooting pear, plum rootstocks: Growth-regulator treatments and a warm preplanting storage period promoted rooting of fall-collected hardwood cuttings
Drill seeding of forage ranges: Heavy duty drill permits good placement of desirable grass and legume seeds for establishment of pasture on range land
Weeds controlled with cyanamid: New method for treating winter leafy vegetable crops with calcium cyanamid controlled weeds at moderate cost in tests
New selective herbicide tested: CDEC applied in pre-emergence treatment of seeded lettuce shows promise for selective weed control without crop injury
Nitrification of fertilizers: Ammoniacal fertilizers used in study on the rate nitrifying bacteria function at various ammonia concentrations in soils
Deficiencies of micronutrients: Influence of phosphate fertilizers on micronutrients in avocado leaves subject of long-term study of Fuerte orchard
Septoria leaf scorch of azalea: Disease especially severe in cloudy, damp weather controlled by spray treatment in tests on experimental plot in Eureka
Lemon fruit quality studied: Comparative tests made of several new strains frequently used to avoid some diseases prevalent in old line Eurekas
Some mosaic diseases of Prunus species
Mosaic diseases of the rose in California