-
Control Methods for Three Major Physiological Diseases in Navel Orange Cultivation
For fruit cracking disease, the first step is to select varieties (lines) with strong cracking resistance. Generally, varieties (lines) with oval fruit shape, small navel or closed navel have better cracking resistance, such as Newhall and others; second, scientific management should be strengthened to enhance tree vigor. Especially during the dry period after the plum rain season and before the autumn rains arrive
-
Key Technical Points for Spring and Summer Field Management of Navel Orange Orchards
Spring comes early in southern Jiangxi, warm and rainy. From March to June, navel oranges are in the phenological stages of spring shoot growth, flowering and fruit set, and the first and second physiological fruit drop. This is also the dangerous period when more than 10 kinds of pests and diseases, such as citrus flower bud midge, mites, scale insects, tortrix moths, longhorn beetles, anthracnose, resin disease, and canker, rapidly multiply, spread, and proliferate.
-
How to Take Emergency Protective Measures When a Navel Orange Orchard Suffers Freeze Damage
Reporter Yan Zhangwen reports: With the weather continuing cold and rainy, can navel orange trees withstand it? On the morning of January 28, the reporter conducted a telephone interview with Fang Yiwen, director of the Municipal Citrus Science Research Institute. Director Fang Yiwen, who was observing freeze damage on site, told the reporter that in parts of Ningdu, Yudu, Ganxian and other places in the north and central regions, some navel orange orchards at higher altitudes have already suffered freezing damage, with ice forming on the leaves; as temperatures drop, the freezing line will continue to advance toward the southern areas, posing a greater threat to navel orange trees. According to the weather forecast, the rain, snow and freezing weather will continue until the end of this month, and temperatures will continue to drop. There is no time to lose in doing a good job of protecting orchards against freezing, and Fang Yiwen urged the broad community of fruit growers to immediately implement the following emergency measures.
-
Navel orange orchard management techniques every navel orange grower must see
1. Adult orchard: 1. Fruit retention: (1) From after flower drop to the second physiological fruit drop period, spray the leaves 2 to 3 times with 0.15% Huangjia natural brassin 5000 times plus new-type nutrient liquid fertilizers such as Jin Kuizi L, P, K extract 500 times, Yelüling 500 times, etc.; (2) Remove summer shoots, removing them once every 7 to
-
Three Key Protection Techniques for Four-Season Cultivation of Navel Orange
Along with the development of the navel orange industry in Gannan, the management techniques for navel orange throughout the four seasons of the year are becoming increasingly important. 1 Autumn shoot protection. Autumn shoots are the main fruit-bearing mother branches of navel orange, and autumn shoots should be promoted according to different climatic conditions. Generally one week after Minor Heat, nitrogen fertilizer is applied to promote budding according to the fruit load of the plant; after Major Heat the shoots are released; when the buds are half a grain of rice long, spray 25% bisultap 600-fold solution to control citrus leaf miner, spraying once a week until the autumn shoots stop growing; at the same time, spray a shoot-strengthening fertilizer once.
-
What to do about navel orange fruit cracking? Clever use of EM stock solution can prevent and control it
To prevent navel orange fruit cracking, there is usually no ideal technique. Only by adopting measures such as selecting excellent varieties; strengthening soil management, timely irrigation, scientific fertilization, and applying growth regulators can fruit cracking be minimized. But some fruit growers, in practice, found that spraying EM chlorophyll
-
What to Do When Kumquats Get Pests? A Detailed Guide to Pest Control Methods
Kumquat, also known as small orange or golden citrus, is a common fruit in the Guangdong region, deeply loved by people for its juicy, sweet taste. It is now planted in many regions, but during cultivation it can attract all kinds of pests. So what should you do when kumquats get pests? 1. Leaf miner Damage symptoms
-
How to Prune a Mandarin Orange Tree? Detailed Guide to Pruning Methods
Mandarin oranges are a common fruit, and many people love eating them, so quite a few growers cultivate mandarin orange trees. Pruning mandarin orange trees is a very troublesome task. Let's take a look below at the pruning methods for mandarin orange trees. I. Pruning requirements for each growth stage 1. Vegetative growth stage:
-
How to Prune Navel Orange Trees? Pruning Methods and Technical Key Points
Navel orange is a very common fruit, cultivated in various parts of the south, and many people like to eat navel oranges. So what are the pruning methods for navel orange trees? 1. Pruning of young trees. The branches and shoots of navel orange grow relatively evenly, so pruning is generally not needed during the young stage; simply removing buds and controlling shoots is enough.
-
How to Fertilize a Bonsai Orange Tree So It Grows Well
Now many friends like growing bonsai at home, and the most familiar one is still the potted orange. Whenever the little oranges hang all over the branches, they add a certain degree of beauty to the home. So, how should a bonsai orange tree be fertilized? 1. How to fertilize a bonsai orange tree
条件筛选