31 Oct 2019
Effect Silicon

Effect of silicon supply on growth and N, P and K accumulation by citrus rootstock seedlings

As with the N and K supply experiments, rootstock genotype was the major source of variation in shoot dry matter production under varying Si supply treatments, and volkameriana seedlings were more vigorous than seedlings of the other  three rootstock genotypes (Table 10). Overall, plants grown with 2 mM Si in the nutrient solution produced approximately one third less shoot dry matter compared to seedlings grown without added Si.

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31 Oct 2019
Effect Nutrient Solution

Effect of nutrient solution pH on growth and N, P and K accumulation by citrus rootstock seedlings

As with the K and Si supply experiments, the major source of variation in shoot dry matter production under different pH treatments was rootstock (Table 14), and volkameriana seedlings were more vigorous than seedlings of the other three rootstock genotypes. The nutrient solution pH had no effect on dry matter production by any of the rootstock seedlings or on %N in shoot dry matter at harvest (Table 15).

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