Passion fruit is a very good fruit, many people are admiring it, but the root system of passion fruit is damaged, often affecting the growth of aboveground plants and normal flowering and fruiting, which is not conducive to the quality and production of fruit trees. This article Kunlun Bio talks with you about passion fruit by root knot nematodes harmful symptoms? Passion fruit root knot nematode with what treatment is good related to content.
Passion fruit is affected by root-knot nematodes
Passion fruit likes the soil soft, the soil layer is thick, the drainage is convenient for the planting environment, and it grows and develops well between 20-30 ° C, and this growth environment overlaps with the breeding and development environment of nematodes to a great extent. The year passion fruit exercises, the year of cultivation, the possibility of nematode disease is also greater.
Passion fruit suffers from rhizomacial nematode disease, which predominates the shallow root layer that harms the root system within 40 cm near the end of the earth, and can form root knots of different sizes between the middle column and the root bark after the occurrence of insect infestation. In the early days, the aboveground part of the stool is not obvious, and in the case of similar deficiency diseases such as shortened stem knots and curly yellow leaves in the upper part of the local area, the harm of the general root knot nematodes has reached a relatively large extent, and it is necessary to use insecticides or biological bacterial fertilizers in time to irrigate and prevent diseases.
After passion fruit is harmed by root-knot nematodes, the amount of flowering and fruiting is significantly reduced, and the performance of plants on the ground is very similar to that of vegetarian deficiency. After the damage to the adult trees, the results are few, the fruit is easy to fall, and the taste and acid quality are poor. Digging out the roots to cut open the nodules, seeing the white transparent substance, can determine the presence of passion fruit root knot nematodes.
Passion fruit root knot nematode with what to treat well
Passion fruit found that nematode disease is basically affected by flowering and fruit to a greater extent, do not want to pull out saplings for soil cleaning, you can use the line warped lilac purple spores for irrigation, can be a good control of the reproduction and development of nematode disease. However, it has little effect on the harmful results that have been formed.
Passion fruit and other crops planting control nematode disease, generally based on prevention, after germination using the filament lilac violet biological fertilizer for irrigation twice, can be a good way to reduce the incidence of insect pests. Generally, the effect of applying it twice in the early stage can last for one season.
In order for the soil to reach a relatively healthy state, whether it is during plant growth or after the removal of the field and disinfection, it is necessary to control the nematode eggs in a state that does not require special attention for 3-5 years. At the same time, nematode disease is often heavily affected on the land of heavy stubble planting, passion fruit planting has not occurred insect pests, the use of root sub-compound microbial fertilizer for root irrigation in the early stage of growth, the prevention of nematode disease, root rot and so on have a good effect.
Planting passion fruit to prevent disease and insects, the relevant content is briefly introduced here, friends who need more understanding are welcome to leave a message to discuss or private message we contact the agricultural technicians for details!