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What are the control methods for stiff fruit in spring watermelons?
The causes of stiff fruit fall into the following categories: 1. Dry soil and insufficient fertilizer and water: if fertilizer and water are insufficient during the fruit enlargement period, stiff fruit is easily formed. Therefore, the melon field should be irrigated, with the amount of water increasing from small to large, and the water should not cover the bed surface. The water should not remain in the field for too long, and irrigation should be done in the evening or at night to avoid burning the roots at high temperatures...
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What to Do About Stunted Watermelons in Spring? Cause Analysis and Control Measures
1. Over-vigorous vine growth: the nutrients produced are mostly consumed by stem and leaf growth and cannot meet the needs of fruit enlargement, resulting in a rampant growth state. Strong seedlings should be raised to lay a good foundation for normal fruit development. Before and after fruit set, the amount and timing of the fruit-swelling fertilizer should be adjusted according to the size of new leaves, the thickness of the vines, the length of the internodes, and the length from the vine tip to the node of the opened female flower...
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How to effectively prevent and control hollow heart in spring watermelons
Symptoms: Gaps or hollow cavities appear in the flesh inside the watermelon fruit. Causes: It occurs easily when fruit is set at low nodes, when excessive nitrogen nutrition causes rampant vine growth, or when fruit set is poor and leaf area increases. The main cause is excessive accumulation of nutrients in the plant. Hollow fruit usually shows longitudinal grooves on the fruit surface, with thick rind, irregular fruit shape...
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What are the methods for preventing watermelon fruit cracking in spring
Watermelon fruit cracking can be divided into field cracking and harvest cracking. Field cracking is the bursting of the rind under static conditions, and its main cause is a sudden change in soil conditions. For example, if soil moisture is low during a certain stage of fruit development, fruit development is hindered, and then rain or heavy irrigation suddenly causes soil moisture to surge, the fruit rapidly expands and cracks,...
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Effective Prevention and Control Methods for Watermelon Fruit Cracking in Spring
Watermelon fruit cracking can be divided into field cracking and harvest cracking. Field cracking is the bursting of the rind under static conditions, mainly caused by sudden changes in soil conditions. For example, if soil moisture is low during a certain stage of fruit development, fruit development is hindered; if rain or heavy irrigation suddenly occurs, soil moisture increases sharply, causing the fruit to expand rapidly and crack,...
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Control Methods for Sunscald in Spring Watermelons
Symptoms: Watermelon fruits exposed to the blazing sun have a very high surface temperature, and the fruit tissue is scorched and necrotic, forming a dry scar. Causes: Sunscald is related to variety; varieties with dark rind color are prone to it. Secondly, in hilly areas the soil is relatively poor, plant vegetative growth is weak, there are few vines and leaves, and it occurs more often when the fruit is exposed...
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Symptom Identification and Spring Control of Watermelon Fruit Flesh Deterioration
Symptoms: When watermelon fruits are exposed to the scorching sun, the fruit surface temperature becomes very high, and the fruit tissue is scorched and necrosed, forming a dry scar. Cause: Sunburn is related to variety; varieties with dark rind color are prone to it. Secondly, in hilly areas where the soil is relatively poor, the plants have weak vegetative growth and few vines and leaves, and the disease occurs frequently when the fruits are exposed...
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Detailed Explanation of Key Techniques for Spring Watermelon Cultivation
1. Site selection and disinfection: Choose a plot with higher terrain and good drainage as the seedbed. Add 200 grams of "waxy Bacillus" per cubic meter of nutrient soil for soil disinfection. 2. Preventing uneven emergence: When emergence is uneven or there are no signs of emergence, check the seeds in the seedbed. If the tips of the seed radicles are yellow and rotten, it means...
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What are the control methods for watermelon fruit hardening in spring
In recent years, protected cultivation of watermelon has developed rapidly in the Jiangsu area. Due to the many rainy days during the growing period, favorable conditions have been provided for the occurrence of watermelon gummy stem blight, and the disease has worsened year by year. Watermelon gummy stem blight mainly damages the stems and vines, and also damages leaves and fruits. When the vines are affected, the disease mostly occurs at the stem nodes near the ground, first appearing as dark green...
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Things to note when choosing seeds for spring-planted corn, these aspects cannot be ignored
How to choose good corn seed is a key issue that affects whether yields can be increased in autumn. When choosing good corn seed, farmer friends should follow these principles: 1. Choose seed according to heat resource conditions. The local heat resources are related to the growth period of the corn variety. Corn varieties with a long growth period have good yield performance and...
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