PENAMPILAN BEBERAPA KLON KAPUK SEBAGAI TANAMAN LORONG DENGAN TANAMAN SELA UBI KAYU

MOCH. SAHID, MARJANI MARJANI, TEGER BASUKI

Abstract


ABSTRAK
Peningkatan produktivitas kapuk berdampak positif pada pening-
katan pendapatan petani dan nilai ekspor. Usaha peningkatan produktivitas
tanaman kapuk antara lain dapat dilakukan dengan perbaikan potensi
genetik tanaman. Usaha peningkatan pendapatan petani kapuk selain
dengan peningkatan produktivitas tanaman dapat juga dilakukan dengan
pemanfaatan lahan yang ada di bawahnya. Penelitian ini bertujuan untuk
memperoleh klon-klon kapuk yang sesuai sebagai tanaman lorong dengan
tanaman sela ubi kayu pada saat tanaman kapuknya masih muda.
Penelitian dilakukan di KP Ngemplak, Pati mulai bulan Januari 2002 -
Desember 2002. Kapuk ditanam pada bulan Januari 1998. Perlakuan
terdiri dari 12 klon harapan kapuk berumur 4 tahun yang di bawahnya
ditanami tanaman sela ubi kayu. Penelitian disusun dalam rancangan acak
kelompok dengan tiga ulangan. Hasil penelitian menunjukkan bahwa dari
12 klon harapan kapuk sampai umur 4 tahun yang ditanam dengan
tanaman sela ubi kayu terdapat satu klon harapan kapuk yang sesuai yaitu
E 22. Klon E 22 yang ditanam bersama dengan tanaman sela ubi kayu
memberikan pendapatan tertinggi sebesar Rp 2.999.010 dengan hasil
gelondong 1.143,8 kg per ha dan hasil ubi kayu sebesar 13.896 kg per ha.
Kata kunci : Kapuk, Ceiba petandra, tanaman lorong, hasil, ubi kayu,
tanaman sela, Jawa Tengah


ABSTRACT
Performance of kapok clones as alley crops with cassava
as their cash crops
Increasing of kapok productivity gives positive impact to farmer’s
income and foreign exchange. One of the efforts to increase kapok
productivity is by genetic potential improvement. Beside increasing the
productivity, farmer’s income could be increased by utilization of land
under kapok trees with cash crops. The objective of this research was to
find out kapok clones having high yield and suitable as alley crops
intercropped with cassava. The activity was conducted at Ngemplak
Experimental Garden, Pati from January 2002 to December 2002. Kapok
clones were planted on January 1998. This research was arranged in
randomized block design with 3 replications. Twelve kapok clones which
were 4 years old were tested as alley crops with cassava as cash crops. The
results showed that clone E22 was suitable as alley crop with cassava as
cash crops. The yield of the clone was 1,143.8 kg pods per ha and cassava
production was 13,896 kg/ha. The combinations of clone E22 as alley crop
with cassava as cash crops gave income to the farmers Rp. 2,999,010 per
ha.
Key words: Kapok, Ceiba petandra, alley crop, yield, cassava, cash crop,
Central Java


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DOI: http://dx.doi.org/10.21082/jlittri.v11n3.2005.123-127

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