المستودع الأكاديمي جامعة المدينة

Thidiazuron effects on shoot growth, return bloom, fruit set and nutrition of apples

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dc.creator Amarante Cassandro Vidal Talamini do
dc.creator Ernani Paulo Roberto
dc.creator Blum Luiz Eduardo Bassay
dc.creator Megguer Clarice Aparecida
dc.date 2002
dc.date.accessioned 2013-05-30T05:37:11Z
dc.date.available 2013-05-30T05:37:11Z
dc.date.issued 2013-05-30
dc.identifier http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2002001000003
dc.identifier http://www.doaj.org/doaj?func=openurl&genre=article&issn=0100204X&date=2002&volume=37&issue=10&spage=1365
dc.identifier.uri http://koha.mediu.edu.my:8181/jspui/handle/123456789/3896
dc.description Apple (Malus domestica Borkh.) trees, cultivars Gala and Fuji, were sprayed at full bloom with thidiazuron (TDZ) at doses of 0, 5, 10, or 20 g ha-1 of a.i. in order to evaluate its effects on plant growth and development, return bloom, fruit set, nutrition, and fruit yield. Fruit set increased with TDZ dose in 'Gala' but not in 'Fuji'. TDZ did not affect fruit yield in any cultivar. In 'Gala', the return bloom was reduced in about 50% at TDZ doses of 10 or 20 g ha-1. TDZ increased shoot growth in both cultivars. In leaves, TDZ decreased the concentration of Ca and Mg in 'Gala' and of Mg in 'Fuji', but did not affect the chlorophyll content, leaf area, length, width, and dry mass per cm² regardless of cultivar. In fruits, the effect of TDZ varied according to the portion evaluated. Highest doses of TDZ decreased the concentration of Ca and K in 'Gala' and of K in 'Fuji' in the entire fruits (flesh + skin); in the skin, highest doses of TDZ reduced the levels of N, Ca, and Mg in both cultivars, in addition to the level of K in 'Fuji'.
dc.publisher Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
dc.source Pesquisa Agropecuária Brasileira
dc.subject Malus domestica
dc.subject cytokinin
dc.subject phenylurea
dc.subject calcium
dc.subject fruit yield
dc.subject pollination
dc.subject plant development
dc.title Thidiazuron effects on shoot growth, return bloom, fruit set and nutrition of apples


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