Occurrence and control of watermelon _3269 -

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Occurrence and Control of Watermelon

In Room blame greenhouse and open field vegetable inspection, 100% of the plots since the women in Hua county vegetable field mice infestation trend year by year the number and varying degrees of damage. Re-occurrence of a morphological characteristics of three mice a year happen in the local women】 generation. Qi into the body to body, mourning over too. 】 1 to about 18 mm left and larvae in moist soil or greenhouse mourn the right wall joints deep brown with dark brown or shiny backlash winter. Greenhouse and shed more in the March general head of a chain-like tentacles of a hard 2-resistant, large antenna 7 on the sting live in mid-song after another out of harm,[link widoczny dla zalogowanych], open field in April. Small antennae on the inside. Mourning can not see from the back. Middle of compound eyes on the breeding activities of larval infestation in mid-May, on both sides of the chest in the head section 7 on each thoracic limb 1 pair. Sheng damage after mid-July in June asked the high temperature. Section 7 dorsal abdominal bulge, the obvious gap steadily, drawing a small number. Light damage in mid and late temperature drop 8 to delete the two sides of the carapace curved section along the seam with the phase re-Sheng, a lot of damage caused by the tragic fall of garlic were dentate at the egg and round. Yellowish white rob the body, weight loss in late September after a long succession of soil】 winter sunlight 5 to 7 mm with protrusions 2 on the ventral end of the greenhouse can be delayed to 10 mid-to late into the winter. Second, the occurrence of temperature and humidity damage characteristics of Armadillidium hi, shade, sun and more afraid of the battle I hi humid day and large quantities: rat women out at night regardless of temperature, sometimes morning and evening light damage weak activity when Ming Zhang, too shed or open field All waterways and plant roots on both sides of the rain and more sunny during the day and habitat damage are active in the water sector and the wall near the wet gap,[link widoczny dla zalogowanych], both habitats, and plant roots next to the road on both sides of the gap or wet leaves stick to the following moisture. Sometimes thrown off the leaves, scattered around quickly fled Armadillidium of a suspended animation. Alarmed by the post. Immediately rolled into a ball, the shape of watermelon. Therefore, four people called Watermelon, prevention measures 1 bait trapping method: 50% of the EC or trichlorfon phoxim crystal or 40% chlorpyrifos EC or methyl isofenphos 10 ml (g 1,[link widoczny dla zalogowanych], the amount of water,[link widoczny dla zalogowanych], spray mix in the fresh vegetables or the use of such agents leaves 5O ml , amount of water,[link widoczny dla zalogowanych], spray mix in the 5 kg of fine soil, and in the evening, the harmful effects of withdrawal on the ground activities, Department of solitary 3 spray: 5% to Fuling with EC or the destruction of hundreds to sweep the EC or 20% off Ju Lee EC, etc. ester pesticide or 50% Phoxim 2500 times or 40% EC isofenphos EC or methyl chlorpyrifos (Chlorpyrifos car) EC 1000 times dilution of damage plus Io00 Liping mixed units can be spray or irrigation kill good results, bud, buds per square meter to stay ten l0-15. {Huxian three Xuguang)

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