-
What to Do About Mango Flower and Fruit Drop? Causes and Control Methods
Causes of Mango Flower and Fruit Drop and Control Methods
-
Key Technical Points for Fruit Retention and Fruit Enlargement in Lychee, Longan and Mango
At present, most lychee and longan trees in Guangdong Province are at the stage from flower panicle emergence to flower bud stage. Affected by the weather since the beginning of spring, with relatively high temperatures and suitable humidity, the flower panicles of lychee and longan have emerged early, pests and diseases have occurred early, and the base of pest and disease sources after winter is relatively high. It is expected that the main pests and diseases during the flowering period of lychee and longan will occur at a moderate level, with some areas being relatively severe. Lychee stink bug...
-
Current management of pomelo, mango, and Japanese apricot
In the south, thin-skinned melons are mainly cultivated in open fields on high ridges. In the middle and lower reaches of the Yangtze River region, direct sowing in mid-April or transplanting cotyledon seedlings in late April is suitable; if plastic film mulching is used, direct sowing or transplanting can be done 3-5 days earlier than usual. 1. Soil selection and crop rotation arrangement: It is advisable to choose a site with higher terrain, good drainage, and...
-
The commonly used pesticide for mango pest and disease control is Supracide.
Physical and chemical properties: appearance is a dark yellow liquid, density 1.04-1.08 kg/L, storage stability period 2 years, cannot be mixed with alkaline pesticides. Toxicity: a highly toxic insecticide, toxic to mammals, birds and bees; the safety regulations for the use of highly toxic pesticides should be observed when applying. Mode of action: Supracide, also called methidathion, is a...
-
Control Methods and Key Technical Points for the Mango Stem Borer
The mango stem borer belongs to the order Coleoptera, family Cerambycidae, and occurs in mango-producing areas throughout southern China. Its larvae bore into and feed on branches and trunks, weakening the affected plants; in severe cases, the plants can die, and infested branches are easily broken by wind. The pest has 1 generation per year, overwintering mainly as larvae, while a small number of pupae or adults can also overwinter inside the bore holes. The following year...
-
What measures are there to overcome alternate bearing in mangoes?
To overcome alternate bearing in mangoes, the first requirement is an adequate amount of flowers; the second is for the flowering period to avoid low-temperature rainy weather; the third is to find ways to increase the fruit set rate. The measures are: 1. Choose varieties. Based on the characteristics of Guangxi's early spring, which is mostly low-temperature rainy weather, it is ideal for mangoes to bloom after early April. Therefore, varieties should be chosen...
-
What are the key measures for flower and fruit retention in mango?
Mango often suffers from heavy flower and fruit drop due to unfavorable weather, pest and disease damage, or improper fertilizer and water management, resulting in losses. Therefore, action must be taken early, and all effective measures should be adopted to ensure normal flowering and fruiting of mango. According to the experience of fruit growers in Huazhou City, the following measures should be implemented: 1. Strengthen fertilizer and water management, and irrigate...
-
What are the key points to note for high-yield fertilization of mango
For high-yield mango cultivation, the first step is to select good varieties. After the grafted seedlings survive, timely management measures such as expanding the planting holes and deep plowing, as well as pest and disease control, should be carried out. Scientific and rational fertilization runs through the entire tree age cycle and is an important link related to high yield and good fruit quality. Points to note: 1. Young mango trees have small root systems and fibrous roots...
-
Detailed Explanation of Mango Top-Grafting and Re-Varietying Methods and Technical Points
I. Pre-Grafting Preparation Before re-varietying, strengthen fertilizer and water management for the trees to be re-varietyed. Prune the above-ground part appropriately, removing diseased branches, dead branches, shaded branches, overly dense branches, and crossing branches; for large perennial trees, saw off the main and side branches in spring or autumn at 1.2-1.5 m above the ground (saw in spring and graft in autumn, or saw in autumn and graft the following spring)...
-
How to prevent and control diseases and pests during the mango flower spike stage? A detailed practical guide
After mango flower spikes are damaged by diseases and pests, the spikes become deformed, flower quality declines, buds drop, flowers dry up, and they cannot bloom or set fruit. The control methods for the diseases and pests harming mango flower spikes are as follows: 1. Anthracnose Anthracnose is the most serious disease harming flower spikes. It strikes as soon as the flower spikes emerge, first appearing as black...
条件筛选