[JURNAL] FREKUENSI DAN INTENSITAS SERANGAN HAMA DENGAN BERBAGAI PESTISIDA NABATI TERHADAP HASIL TANAMAN BROKOLI (Brassica oleracea L.)

 (The Frequensy and Intensity Plant Disease Attack All Sorth of Botanical Pesticides Variety On Yield of Brocolli (Brassica oleracea L.

Marhani 

Program Studi Agroteknologi, Sekolah Tinggi Pertanian (STIPER) Kutai Timur 

E-mail : marhanisyahrul18@gmail.com 

ABSTRACT 

 The research was conducted of three moon, start in November 2015-January 2016. Location  the research in Soekarno-Hatta Road, North Sangata District, East Kutai Regency. The research  aimed is determine the yield brocolli plant with botanical pesticides variety in suppress pests  attack, determine the frecuention and intencity pests attack on brocolli plant with botanical  pesticides variety, and determine the best botanical pesticides type in suppress pests on brocolli  plant. The research methode using a Randomized Block Design non factorial with 4 level  treatments was used 6 replication. The treatments levels botanical pesticides (A), is namely A0 =  without botanical pesticides (control), A1 = botanical pesticides areca nuts extract 40 cc/liter water,  A2 = botanical pesticides lemongrass leaves extract 40 cc/liter water, and A3 = botanical pesticides  tuba root extrac 40 cc/liter water. The research results showed that, the best treatments at gives  botanical pesticides areca nuts extract 40 cc/liter water fresh weight brocolli flowers 0,63 kg, attack  frecuention pests 32,48-29,08%, and attack intencity pest 16,16-15,32%. 

Keywords : frecuention,intencity, pests attack, brocolli plant, botanical pesticides. 



https://docs.google.com/document/d/1h_mo4EA7nRKKJM3-SIMpWkUhjApuEJjXS3iRTVrJzq4/edit?usp=sharing

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