Physiological aspects of lime-induced chlorosis in some <i>Vitis</i> species. <p>I. Pot trial calareous soil</p>
DOI:
https://doi.org/10.5073/vitis.1994.33.123-126Keywords:
Vitis species, lime-induced chlorosis, breedingAbstract
One-year-old cutting from eleven Vitis spp. (V. aestivalis Michx., V. amurensis Rupr., V. andersonii Rehder, V. arizonica Engelm., V. berlandieri Planch., V. californica Bentham, V. champini Plancch., V. cinerea Engelm., V. longii Prince, V. monticola Buckl., V. riparia Michx.) were grown in pot of a calcareous soil. Leaves selected in the middle of the annual growing season were assayed for total chlorophyll, macronutrients, oligo-element and ash alkalinity. At the end of the annual growing cycle the whole plants were analyzed for the iron concentration of the dry matter. The most significant findings were:
- V. berlandieri, V champini and V. cinerea ranked in the high tolerant group; V. arizonica, V. californica, V. longii and V. monticola in the tolerant group; V. aestivalis, V. amurensis, V. andersonii and V. riparia in the susceptible group;
- it is likely to exist two different mechanisms of tolerance to lime-induced chlorosis: an adaptive one for V. berlandieri and V. cinerea and a protective one for V. champini
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