Zobrazeno 1 - 10
of 123
pro vyhledávání: '"G Leavitt"'
Publikováno v:
California Agriculture, Vol 51, Iss 1 (1997)
The Pacific spider mite and the Willamette spider mite are the most common mite pests on grapevines. A single-season study of a vineyard near Madera showed that regular sulfur applications for powdery mildew control can exacerbate spider mite problem
Externí odkaz:
https://doaj.org/article/18e3d98b93134192ba84ffc482dd7745
Publikováno v:
California Agriculture, Vol 49, Iss 5 (1995)
Basal leaf removal, which has been used to reduce damage from bunch rots and seasonal leafhopper infestations, was tested for its effects on powdery mildew in the San Joaquin Valley. Powdery mildew is one of the most damaging diseases of wine grapes
Externí odkaz:
https://doaj.org/article/f136c234e18e46009923446be27859d1
Publikováno v:
California Agriculture, Vol 40, Iss 3 (1986)
Powdery mildew and leafhopper controls affect predator populations differently
Externí odkaz:
https://doaj.org/article/6e2ee5fd4a3c4cf8b8cbb2e70900f21d
Publikováno v:
California Agriculture, Vol 36, Iss 5 (1982)
Field tests verified reports of problems in achieving satisfactory control of mealybug with chemicals.
Externí odkaz:
https://doaj.org/article/a6270cf6116041bb82a470c72ba39206
Publikováno v:
California Agriculture, Vol 32, Iss 3 (1978)
Early-blooming pollinator almond varieties treated with ethephon in November bloomed 2 to 6 days later the following spring, resulting in improved bloom overlap the next spring with later blooming varieties.
Externí odkaz:
https://doaj.org/article/447f1e702cb7483fb456953a653e025d
Publikováno v:
California Agriculture, Vol 34, Iss 7 (1980)
Grape growers have long used hedging or mowing to remove part of the wood on vines trained to cordons. This pre-pruning of superfluous one-year-old wood facilitates the work of the pruners, who then remove all but 10 to 20 spurs per vine selected for
Externí odkaz:
https://doaj.org/article/25b3a486f3ff4d03aad6990283dc39b4
Publikováno v:
California Agriculture, Vol 31, Iss 4 (1977)
Trees in most mature peach, nectarine, and plum orchards in the southern San Joaquin Valley cease growth by early to mid-October. Because the foliage often persists on the trees for another three to five weeks and interferes with the pruner's vision,
Externí odkaz:
https://doaj.org/article/2e80550a3ff04728b4d4f46f91038b97
Publikováno v:
California Agriculture, Vol 31, Iss 6 (1977)
Reported effects of the growth regulator ethephon on fruit maturity in many crops include earlier skin color changes, earlier flesh softening, and occasional increases in soluble solids. In 1975, preharvest ethephon applications on Japanese plum (Pru
Externí odkaz:
https://doaj.org/article/f9ffb12e811d425596b3501c8cf858f6
Publikováno v:
California Agriculture, Vol 30, Iss 5 (1976)
Ruby Seedless is a red seedless variety used as a table grape and for the freezer. The clusters are well filled to compact. In some vineyards, looser clusters would be desirable to reduce bunch rot and to facilitate packing. Gibberellin sprays reduce
Externí odkaz:
https://doaj.org/article/dbcece6da0bc48629a4745f51cd3d063
Autor:
W. G. Leavitt
Publikováno v:
Publicationes Mathematicae Debrecen. 23:291-298
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc8c7ae0b000bf9a3ed344bacbb592ef
https://doi.org/10.5486/pmd.1976.23.3-4.17
https://doi.org/10.5486/pmd.1976.23.3-4.17