What to Do When Jujube Seedlings Wilt? A Detailed Guide to Practical Solutions
Recently, many farmers have reported that some jujube seedlings planted this spring gradually wilted when their new shoots grew to 10-20 cm, until they dried up completely. Our analysis suggests:
1. From the perspective of climatic conditions, this is related to this year's unusual climate, such as low temperatures and sandstorms. In mid-April after the jujube seedlings were planted, our city experienced a period of low-temperature weather lasting about a week, with the lowest temperature below 10 degrees. The low ground temperature caused poor root activity, and the frequent sandstorms this spring also caused excessive transpiration in the newly planted jujube seedlings, resulting in water loss and wilting.
2. From the perspective of planting techniques, there are the following aspects:
(1) Planting too deep. The planting depth for jujube seedlings should be the same as the original depth when the seedlings were dug from the nursery. Planting too deep, beyond the original graft union, can easily suffocate the seedlings and slow their development. Combined with the relatively high rainfall earlier this year, the soil lacked oxygen, which impeded root activity.
(2) Plastic film not removed. The purpose of covering the area around jujube seedlings with plastic film is to raise ground temperature and preserve soil moisture. However, because temperatures rose quickly after mid-May this year, the temperature under the film became too high, causing soil oxygen deficiency and affecting root development.
(3) High soil clay content. If the soil in the planting orchard has high clay content and too much water is added, the jujube seedling roots will lack oxygen and be unable to grow and develop normally.
Measures to be taken at present:
1. Remove the plastic film and loosen the soil. If planted too deep, dig out and expose the graft union, and loosen the soil around the seedlings to increase permeability and restore root growth.
2. Foliar fertilization. Spray 891 organic titanium and potassium dihydrogen phosphate on the leaves to compound the photosynthetic efficiency of the leaves. Leaf-eating pests can be controlled by spraying pesticides at the same time.