NEGATIVE EFFECT ON FIBER QUALITY CAUSING FACTORS AND RECOMMENDATIONS FOR THEIR ELIMINATION
Keywords:
Rodent autumn night worm, bollworm, caradrina, wireworms, locusts, aphids (lice), thrips, spider mite, spider mite, spider mite, cicada, cotton leaf, air temperature, soil moisture, air exchange disturbance, microorganisms, cotton fiber gluingAbstract
Due to the increase in the number of cotton leaves, mass ripening of crop elements, high air temperature and soil moisture, microorganisms (fungi and bacteria) grow in the sap and liquid waste from the cotton plant. it grows and develops. As a result, the cotton fiber becomes blackened and sticky.A brief description of the insects that cause cotton fiber to become sticky; Plant lice - cotton is damaged by alfalfa or acacia aphid, cotton boll weevil and large cotton weevil. Aphids suck the sap from the leaves. Severely affected leaves change shape and become twisted. When the bolls are opened, the lice with their sap contaminate the fiber and make it sticky, and the quality of the cotton fiber deteriorates due to the appearance of black sap (black mold). Lice develop in 15-20 days depending on the temperature. During the season, it gives 19-20 offspring, and alfalfa 12-15 offspring. Females live for 18 days in summer and give birth to up to 150 larvae.
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