Vineyard Defense Fertilizer Management land Canopy Management michelle obama food plate System Irri

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In many areas, Italian, too hilly and without irrigation, the vines are often excessive force and each year shall be subject to one or more expensive ranges topping. Among the most commonly used rootstocks in our viticulture, lacking in fact, even today, people actually able to control the vegetative growth michelle obama food plate of the plants.
Compared to the behavior of vegetation, most of the rootstock used in Italy induce michelle obama food plate in a scion vigor very high, even if some of them (420A, 161/49C e3309C) are considered to be less vigorous than others. This situation is in stark contrast to the needs of modern viticulture that is increasingly oriented towards systems with medium michelle obama food plate or medium-high density and therefore would need to use subject with a greater ability to reduce the vegetative growth of the scion. Based on these considerations, up from 1988 the then Institute of Arboreal Cultivation University of Bologna had activated an extensive program of genetic improvement that had resulted in the creation and subsequent evaluation of a large number of new seedlings from hybrids with interspecific commercial rootstocks. On the other hand, if it is true that the research was focused to obtain new individuals capable of giving the European vine a more balanced growth, the selection could not give up the parallel evaluation of other fundamental aspects (rooting ability, affinity engagement, resistance michelle obama food plate chlorosis, etc..), which are essential in terms of nursery and agronomic michelle obama food plate order to compete with commercial entities most commonly used today in our country. The setting of the research
Using as mother plants found in a collection of rootstocks experimental vineyards University, was obtained in 1990, several hundred seedlings, partly from self-pollinating cultivar "Binova" (V. berlandieri x V. Riparia) a mutation in hermaphrodite flowers perfect SO4 selected in Germany, and in part obtained from open pollination of vines belonging to the cultivar-rootstock 325R, 41B, Teleki5C, Teleki8, Kober5BB, Cosmo2, 1202Ce the same Binova. Without neglecting the behavior of biotypes from open pollination, some of which are very promising and are still undergoing further experimental control, this report only briefly report the results of the selection made on seedlings obtained by self-fertilization of Binova (inbreeding). These seedlings were in fact considered to be very interesting, because inbreeding often leads to a reduction of vigor that, when combined with other essential characters, could give rise to accessions particularly useful for the purposes of the investigation. In 1990, the seedlings obtained from seeds of self-fertilization of Binova were grown in controlled greenhouse. In early 1991 the best plants in vegetative condition for both the airline and for the radical (90 accessions) were transferred outdoors and allowed to grow freely in a pallet michelle obama food plate consisting of sand and peat fertilized, equipped michelle obama food plate with drip irrigation. During 1992, their growth was favored with more fertirrigazioni. Investigations of pre-selection
The pre-selection on the basis of vigor. The effects of inbreeding began to manifest during the same 1992 and the next winter pruning all the seedlings were discarded too weak (small roots and scarce, tralcetti short and slightly woody), but also some individuals (few) apparently with excessive compared to the average force (strong roots, branches very long, but not woody). Were considered acceptable accessions with a good root system and shoots of average length sufficiently lignified, michelle obama food plate from which it would have been possible to obtain michelle obama food plate a certain amount of woody cuttings. Through this pre-selection, the number of seedlings Binova michelle obama food plate maintained in the test was reduced to 41 individuals. The pre-selection based on capacity rizogena. The cuttings obtained from 41 seedlings (generally between 10 and 30 cuttings binodali per seedling) were placed in a pallet of rooting. At the end of 1993 vintage was recorded the number of primary and secondary roots present on each cuttings, rooted considering those on which there were at least 3 primary roots. After this phase were maintained in test only accessions that had submitted