Effects of nematicides, lime, and herbicide on peach tree short life in georgia.
نویسندگان
چکیده
Peach tree mortality was 75% five years after planting on a site associated with peach tree short life and receiving no nematicide treatment, no lime, and with cultivation for weed control. Mortality was reduced to 29% by preplanting plus postplanting applications of DBCP (1,2-dibromo-3-chloropropane) and with herbicidal weed control. Preplanting applications of nematicides alone did not effectively reduce tree mortality or increase yield. Lime applications increased yield but did not affect tree growth or survival. Survival was higher with weed control by a herbicide than with control by disk cultivation. Populations of Macroposthonia xenoplax were correlated positively with tree mortality and negatively with yield. The other nematode consistently present at the site, Tylenchorhynchus claytoni, was not associated with either tree mortality or yield.
منابع مشابه
Effect of Planting Site Preparation, Hydrated Lime, and DBCP (1, 2-dibromo-3-chloropropane) on Populations of Macroposthonia xenoplax and Peach Tree Short Life in Georgia.
Annual postplanting applications of 40.7 kg/ha DBCP (1,2-dibromo-3-chloropropane) controlled Macroposthonia xenoplax (Raski, 1952) deGrisse and Loof, 1965 in peach tree short life sites, reduced bacterial canker incidence from 74% to 6%, and inreased the average life of the trees from 3.9 to 6.8 yr for a 7-yr test period. Hydrated lime at 5.5 kg per planting site reduced bacterial canker incide...
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ورودعنوان ژورنال:
- Journal of nematology
دوره 12 3 شماره
صفحات -
تاریخ انتشار 1980