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Guangdong this year paddy " two change " pest or lay particular stress on
From;  Author:Stand originally
Southern yesterday daily reported " insect pest of paddy of happening of another name for Guangdong Province: The street is planted ┮ of ㄅ of shovel of cracking knock of Wa of plaque  Τ blocks thirsty Chi of beat Shou generation to pull pine of Yu of  of  of Xi of ⒑ of the  austral Chu barium to black Gou Gu bands  of ⅲ of cut down of grave Zhui sweat closelies question bazoo is proud ridicule of pleasant of earth of obituary a surname steps on  serve Jue Gan Wan.
  
To this, the author learned from province agriculture hall yesterday, although this year " two change " pest (even if paddy plant hopper and paddy coil foliaceous snout moth's larva) happen earlier than in former years, in March I visit the last ten-day of a month southwest ministry appeared ingoing peak. But, at present I am saved " two change " pest happening still is belonged to slant light happening degree, still did not form apparent calamity. According to saving agricultural office analysis, predict paddy plant hopper happens first half of the year lay particular stress on, local happen again, produce an area to predict 12 million mus second; Paddy is vertical a leaf is lay particular stress on of happening of snout moth's larva, local happen again, produce an area to predict 10.7 million mus second. Predict paddy on the whole " two change " pest happening degree is compared slightly light last year, can cause certain loss, but want height of various agriculture department to take seriously only, fulfil seriously prevent accuse measure, to kill loss late controallable inside permission range (5% the following) , not big to grain production influence.
  
At present I am saved " two change " pest happening still is belonged to slant light happening degree, still did not form apparent calamity. As we have learned, even if coil,at present paddy plant hopper compares paddy slightly foliaceous snout moth's larva happens heavy, produce an area to make an appointment with 2 million mus, basically produce area to be in southwest ministry area, be like area of part of door of Zhan Jiang, luxuriant name, Yang Jiang, river, general 100 clumps bug is measured 400 go to 800, 1500 tall; North and the eastpart part are small happen, general 100 clumps bug is measured 20 go to 120, 300 tall. Even if paddy coils foliaceous snout moth's larva is light happen, produce an area to make an appointment with 1.5 million mus, happen distributing more balanced, general mu of bug quantity 200 go to 3000, tall already amounted to 20 thousand.
  
Hall of the agriculture that occupy a province introduces, at present my province is in prevent accuse " two change " the pest has had richer experience. Current, my province had built 34 monitoring point, "Two change " short-term forecast accuracy rate can amount to the pest 95% above, execute complete province each monitoring point monitors data below the lamp day-to-day investigation is day-to-day report system. Meanwhile, guangdong complete province established group of 1000 professional prophylaxis and treatment in all, annual can carry out area of professional prophylaxis and treatment 6 million mus. In recent years, department of various government, agriculture is annual and active start masses to prevent and cure, to paddy " two change " the prevention and cure of the pest deals with rate amount to 95% above, effect of prevention and cure 85% above. Province agriculture hall expresses, this year, guangdong is right " two change " the effect of prevention and cure of the pest also can achieve 85% above, be sure completely be in to kill loss late to control 5% the following.
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