The leaves of crabapple flowers turn yellow. what's going on?

Begonia flower is a unique plant in our country, known as "national beauty", as early as in the pre-Qin literature has been recorded in the cultivation of Begonia flower, it can be said that the history is very long, modern planting range is more extensive, whether classical gardens or public green space, everywhere can be seen Begonia flower fragrance. But sometimes we will find that Begonia flowers grow long leaves will suddenly turn yellow, why is this? The following pro-agricultural network will introduce you to the yellow leaves of Begonia how to return a responsibility.

1. The cause of yellow leaves of Begonia flower

1. improper watering

Begonia flowers in the summer high temperature dormant period, the soil should be dry, not too wet, so to reduce watering, otherwise it will lead to leaf fall stem wither, the whole root will rot, and eventually the whole plant will die. The soil is too dry, which can cause the soil to harden, the roots cannot breathe, and the leaves wither.

2. improper lighting

There are two meanings of improper lighting here. The first layer is insufficient light. Begonia flowers like sunlight and are not tolerant of shade. Insufficient light will cause Begonia flowers to fail to synthesize chlorophyll and yellow leaves. The second layer means that the light of Begonia flowers is too strong, which means that when the summer temperature is too high, the exposure under strong light will also cause the leaves of Begonia flowers to be burned or even withered.

3. Trace element deficiency

If the begonia flower lacks certain trace elements in the process of growth, it will also lead to yellowing of the leaves. For example, if the begonia flower lacks iron or magnesium, the plant is easy to yellow, because these two elements synthesize important elements of chlorophyll.

4. improper fertilization

Fertilization is needed during the growth period of flowering crabapple. If fertilization is insufficient and there is no basal fertilizer, the plant will become short and the leaves will become thin and pale or red. Too much fertilizer can lead to fatness and yellowing of leaves. Excessive fertilization during summer dormancy can also cause yellowing of leaves.

2. How to deal with yellow leaves of Begonia flower

Knowing the cause of the yellow leaves of Begonia flowers, how do we solve the problem of yellow leaves of Begonia flowers? This is naturally to start from the reasons and find the corresponding solutions. The pro-agricultural network summarizes three points for everyone here, including reasonable watering, reasonable fertilization and lighting. Let's take a look at it in detail below.

1. Reasonable watering

Begonia flowers will enter a dormant state in summer. At this time, there is no need to pour too much water on Begonia flowers. You can use a watering can to spray water around the pot soil, but you can't completely not give water. In addition to summer, in the growth period of Begonia flowers we should fully meet its water needs, normal hydration.

2. rational fertilization

Reasonable fertilization in early spring when the flowering of flowering crabapple fertilizer, autumn leaves also to topdressing, supplement nutrients. You can usually use some special fertilizer. If it has not been fertilized for a long time, apply a thin liquid fertilizer or compound fertilizer every other week or so. At the same time, some trace elements can be added to the fertilizer appropriately. If iron is deficient, ferrous sulfate can be sprayed to supplement iron. If magnesium is deficient, some magnesium fertilizer can be applied.

3. illumination

Summer high temperature weather to avoid flowering crabapple in the sun exposure, winter in order to keep warm when flowering crabapple indoors, pay attention to the sunny place, can not be placed in a dark corner.

The above is the pro-agricultural network for everyone to summarize the reasons for the yellow leaves of Begonia flowers and the corresponding solutions, I hope to bring some help to everyone. More questions about flower planting can be found on the pro-agricultural website, friends can continue to pay attention to us yo!