-
What kind of fruit is guava? The latest introduction to guava
Guava, also known as bajia, jishiguo, bazi and other names, is a tree plant of the genus Psidium in the myrtle family, native to South America, cultivated throughout South China, commonly found as an escaped wild species, the fruit is edible, the leaves contain volatile oil and tannins used medicinally, and have astringent, hemostatic and stomachic effects
-
Latest Analysis of the Causes of the Alternate Bearing Phenomenon in Fruit Trees
When alternate bearing is mentioned, many people are surely familiar with it, especially in fruit trees, where a phenomenon of one year of high yield followed by one year of low yield often occurs. If this year brings a high yield, then the following year may bring a low yield or even no fruit. If this phenomenon is not controlled in time, it may form a vicious
-
How to prevent and control the alternate bearing phenomenon in fruit trees? Detailed explanation of the latest measures
When alternate bearing in fruit trees is mentioned, many fruit growers are familiar with it. It occurs in many orchards, especially in orchards at peak fruiting stage, and it happens frequently. After alternate bearing occurs, one year the trees bloom and bear much fruit, and the next year they bloom and bear little fruit, bringing huge economic losses to farmers. So how should it be prevented?
-
The Latest Methods to Prevent Alternate Bearing in Longan
Longan is widely cultivated in warm regions such as Fujian. Will growing longan bring all kinds of problems? These problems all affect growth and yield. Today we will mainly discuss what to do about alternate bearing in longan and how to maintain balanced and stable yields.
-
What to Do About the Alternate Bearing of Lychee? Master the Latest Countermeasures
There are relatively many lychee varieties, and due to physiological and climatic reasons, alternate bearing is common, and the alternate bearing phenomenon of lychee severely affects growers' income. Therefore, avoiding or mitigating the alternate bearing phenomenon as much as possible is a matter of particular concern to growers, so what should be done about lychee
-
Causes of Alternate Bearing in Pear Trees and the Latest Control Methods
Pear trees are grown in all parts of China, and pears are also very popular with many people. For pear growers, however, the alternate bearing phenomenon in pear trees is a major headache. Alternate bearing in pear trees can seriously affect pear yields and reduce growers' economic returns.
-
What are the latest control measures for alternate bearing in kiwifruit?
Kiwifruit is what we commonly call the kiwi in daily life, rich in vitamins and welcomed by many people. At present, the planting area of kiwifruit in China is still very large, but when we grow kiwifruit, alternate bearing is prone to occur,
-
What to Do About Alternate Bearing in Apple Trees? A Full Guide to Prevention and Treatment
Apples are sweet and tart, with thick flesh and plenty of juice, and different varieties differ in flavor; for instance, Granny Smith apples are fairly tart and crisp, while Red Fuji apples are fairly sweet. Recently, apple tree growers have asked, what should be done about alternate bearing in apple trees? Let us learn about the solutions
-
How to Eliminate the Alternate Bearing Phenomenon in Bayberry Cultivation
Bayberry is a famous characteristic fruit tree of our country, mainly distributed in various places south of the Yangtze River basin, and the latest high-yield techniques have also been widely popularized. 1. Fertilizer and water management: In the current year, annual vegetables or green manure can be intercropped in the woodland to improve soil fertility. Young trees should be given quick-acting fertilizers ⟦4 <p>Bayberry is a famous characteristic fruit tree of our country, mainly distributed in various places south of the Yangtze River basin, and the latest high-yield techniques have also been widely popularized.</p><p></p><p>1. Fertilizer and water management: In the current year, annual vegetables or green manure can be intercropped in the woodland to improve soil fertility. Young trees should be given quick-acting fertilizers as the main application, with nitrogen, phosphorus, and potassium applied in combination. Adult trees are topdressed twice a year: the first time in late winter and early spring before bud break and shoot emergence, and the second time after fruit harvest, accounting for 50%—55% of the annual fertilizer application. In addition, work such as soil improvement and draining waterlogged areas should be done well to ensure the high quality and high yield of bayberry.</p><p>2. Shaping and pruning: The tree form of bayberry is mainly the natural round-headed shape. Pruning of young trees is mainly for trunk determination and shaping, cultivating an early-fruiting and high-yielding tree body. Generally, a “one trunk and three main branches” natural open-center canopy is used. Pruning of adult trees is mainly to cultivate a high-yielding population structure, regulate the relationship between growth and fruiting, and promote sustained, high-quality, high yield.</p><p>3. Prevention and control of alternate bearing: Bayberry is a typical fruit tree with alternate bearing, regularly fruiting in alternate years. Therefore, overcoming alternate bearing is an important project in bayberry production, and technical measures such as girdling to suppress shoots and promote flowering and fruit retention, and flower and fruit thinning, can be applied for regulation. 1. Girdling to suppress shoots, promote flowering, and retain fruit: The traditional measure for controlling shoots, promoting flowering, and retaining fruit is ring barking or the use of chemical hormones. This method can achieve good short-term benefits, but it causes great harm to tree vigor, and in severe cases can lead to tree death. At present, the widely applied technique is girdling and applying the pollution-free cationic activator “Flower Promoter No. 2”, which controls shoots, promotes flowering, increases the fruit-setting rate, and can eradicate alternate bearing. 2. Large branch pruning: For adult bayberry trees left to grow freely, use the methods of “cutting high branches and controlling the canopy” and “removing inner branches and opening skylights” on the trunk and main branches. For newly planted young trees, the method of “first letting grow, then pruning” can be implemented, that is, allowing free growth in the first year, and gradually adjusting to a dwarfed and open tree form after the 4th year when fruiting begins. 3. Scientific fertilization: More potassium fertilizer should be applied, once a year. Less phosphorus fertilizer should be applied, because too much phosphorus fertilizer often causes many fruits, small size, and poor quality, aggravating the alternate bearing phenomenon. Nitrogen fertilizer should be applied appropriately to promote the expansion of young fruits. Young trees should be appropriately given chemical fertilizers, while adult trees should mainly be given farmyard manure.</p><p>4. Pest and disease control: Bayberry has strong stress resistance and relatively few pests and diseases. The main insect pests include white peach scale, leaf roller moths, and bagworm pests. The main diseases include brown spot disease and crown gall disease. Control methods: 1. Chemical control: For crown gall disease, after rain in spring and autumn, first use a sharp knife to cut off the disease tumors, then apply “Tree Guard General” emulsion to the wounds, so that the disease spots quickly dry up and fall off, eliminating the source of infection; for brown spot disease, in the early stage of disease occurrence, use 50% carbendazim 500—600 times solution or 70% thiophanate-methyl 800 times solution or 65% zineb 600 times solution + “New High Lipid Film”, spray the canopy once every 7—10 days, for 2—3 consecutive sprays. 2. Strengthen cultivation management to enhance tree vigor; promptly prune diseased branches and dead branches, and after pruning, promptly apply “Wound Healing and Antiseptic Film” to protect the wounds; 3. Do a good job of winter orchard cleaning, remove fallen leaves and weeds, burn them in a centralized manner, and then spray the whole orchard with “Tree Guard General” 100 times solution for sterilization and disinfection.</p>
-
How to Control the Alternate Bearing of Plum Trees? Practical Cultivation and Management Methods
1. Reasonable pruning to regulate tree vigor. On-year trees should be pruned early (before the onset of winter) and heavily. Remove dead branches, residual branches, slender branches, scorched-tip branches, diseased and pest-infested branches, and excessively dense, crossing branches. Do more heading back to stimulate shoot growth; for vigorous branches and competing branches, cut back hard, removing 2/3 to 3/4 of the branch or leaving only 3 to 5 buds. Thin flower buds early, prune away excess flowering branches, and reduce the fruit load. Off-year trees should be pruned late (around the beginning of spring), keeping flowering branches and thinning out non-flowering vegetative branches. Leave branches unpruned or bend them down to moderate tree vigor, retain as many flowers and fruits as possible, and increase the fruit set.
条件筛选