Causes and Solutions of Gardenia Leaves Yellowing

How to do gardenia leaves yellowing? This is the editor recently heard the most questions about gardenia culture, gardenia in the breeding process due to some aspects of negligence (such as improper watering, improper fertilization, poor lighting environment, etc.), easy to cause leaves yellowing. So how can we thoroughly solve the problem of yellowing of gardenia leaves?

Cause and solution of yellowing of Gardenia jasminoides leaves

1. Analysis of the causes of yellowing of gardenia leaves:

(1) the factor of improper moisture.

Gardenia planting process watering too much, then the young leaves will be dull, the old leaves will not be affected, but the leaves will be yellowish green, the new leaves are not long, the solution is: put the flowers out of the pot in a cool, ventilated place and then put them back into the basin. When there is lack of water, the tip or edge of the leaf is withered and dry, the old leaf is withered and yellow from the bottom up, and the growth of the new leaf is relatively normal, so it should be fully watered and thoroughly watered.

(2) the factors of improper illumination.

Excessive light leads to macula on the illuminated side of the leaves, which can be restored in a dark place. if the gardenia flower is placed in a shady environment for a long time, then the leaves will turn yellow or fall off because they do not get enough sunlight. It's best to replenish the light right away.

(3) the factors of improper fertilization.

Gardenia planting process should pay attention to fertilization, too much or too much concentration is easy to cause plant yellowing, new leaf tip will appear brown, general leaf hypertrophy and no luster, and concave and convex does not stretch, old leaves scorched yellow fall off. At this time, we should irrigate more and reduce the concentration of soil fertilizer. Lack of fertilizer will also cause plant yellowing, but the lack of nutrients in the plant is different, showing different symptoms.

① nitrogen deficiency: plant nitrogen deficiency simple leaves yellowing, new leaves small and brittle.

② potassium deficiency: when plants lack potassium, the old leaves change from green to brown.

③ iron deficiency: at the beginning, the leaves are yellowish or white, the veins are still green, and in severe cases, the veins are also yellow or white, and finally the leaves dry up and die. To this kind of situation, can spray 0.2% Mel 0.5% ferrous sulfate solution to prevent and cure.

④ magnesium deficiency: yellowing gradually develops from old leaves to new leaves, and the veins are still green. In severe cases, the leaves fall off and die. Can be sprayed. 7% one. 8% boron and magnesium fertilizer control.

⑤ phosphorus deficiency: the old leaves are purplish red or dark red.

(4) the factor of too low temperature. Too low temperature will also cause leaf yellowing, so in the process of gardenia culture, we should pay attention to anti-freezing in winter, early spring and early winter night should also pay attention to warm.

The above are the causes of gardenia leaves yellowing, comprehensive analysis of the above reasons, it is not difficult for us to find a solution. Next, let's explain the solution to the yellowing of the leaves of gardenia.

Time: 2019-04-18 Click: