No matter grow any plants, can encounter the problem of a few disease more or less, and the education that cultivates to getting rich needs to notice particularly more. Common disease has a lot of, for example: Powdery mildew, aphid, red spider is waited a moment, so the phenomenon that what give everybody introduction today is the leaf long rust that cultivates about getting rich, after all what reason is brought about, should if encounter,manage like where again? The hope can provide not little help to everybody.
Actually, get rich tree leaf grows rust is to suffer from got on a kind to cry " leaf spot " disease, to Chang Yanghua the people of grass knows this kind of disease for certain. If plant is affected,go up leaf spot, normally show appears to begin on blade brim a few relatively petty and the spot with darker color, affect whole leaf gradually next, whole finally plant can appear such phenomenon.
So the happening that brings about leaf spot, main by the following 3 elements cause.
1. illumination intensity is exorbitant
Although get rich,cultivate pair of balconies relatively love, but if plant insolates more for long,be in violent sun, meet those who affect leaf grow; Affect to summertime sun especially especially big, a lot of friends think the plant basks more grow high, brought about the occurrence of leaf spot then. Because this needs to notice to get rich,cultivate put the position, want to offer it enough illumination already, cannot expose for long again it is under sunshine, the place that had better with respect to the choice together major astigmatism illuminate gets undertakes helping advance somebody's career.
2. environment temperature is too low
Get rich the plant that the tree regards cold-resistant sex as extreme difference, when winter comes, must want to had done enough safeguard. If fail to will get rich in time,the tree moves in the environmental change trains with inferior temperature, right now it also can lure the happening of disease of guide vane spot, understandable for leaf by frostbite, the condition can cause the death of plant badly even.
3. adds moisture excess
Relatively as similar as the first kind of circumstance, although get rich,the tree likes wet environment relatively, but it is OK that this is not represented to its excessive water, what if water is divided,increase is overmuch, and the moisture that plant can draw one share only, more moisture can stay between clay, cause the occurrence of seeper very easily right now, affected floral to grow thereby environment, bring about leaf spot then, what say namely get rich the leaf of the tree grows rust.
4. solves measure
If appeared leaf spot, what should do above all is already the leaf of pathological changes undertakes picking shears, what have fixed rate to the plant cut after clip passes is antiseptic. Undertake spraying to plant next relevant solution, those who want an attention is, can choose to spray to the degree of the circumstance the solution of different sort, if floral leaf is affected less, can choose to use clever drug of gush much bacterium to undertake spraying right now; If the major leaf of plant was affected, this kind of circumstance should use 100 bacterium Qing Dynasty relatively badly preparation is proper, generally speaking, probably it is advisable that half month left and right sides sprays to plant. In the meantime, during this plant should be put in ventilated, cool place, such more be helpful for a symptom improve.
